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Rotary Shafts - Both ends stepped and externally threaded.

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Lead Time Reduction

MISUMI

New diameter sizes (13, 16, 17, 18 and 22) are added for h9 tolerance types. [3/31/23]
Straight Rotary Shafts - Both Ends Stepped and Threaded are available in 1045 Carbon Steel or Equivalent and 304 Stainless Steeland 4137 Alloy Steel or Equivalent, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 6mm - 50mm
[Length range]15mm - 990mm. Use the alteration LKC to specify the length in 0.1mm increment.

Inch option available, please click Here.

METRIC
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Technical Information

Rotary Shafts - Both Ends Stepped and Threaded:Related Image

・Materials

Type			Tolerance		[ M ]Material	[ S ]Surface Treatment
	Standard	Wrench Flats	D	P, Q	[ M ]Material	[ S ]Surface Treatment
①	NSFRMHM	NSFRMHMS	h9 (Cold-drawn)	h7	1045 Carbon Steel or Equivalent	-
	SFRMHM	SFRMHMS				Black Oxide
	PSFRMHM	PSFRMHMS				Electroless Nickel Plating
	SSFRMHM	SSFRMHMS			304 Stainless Steel	-
②	NSFRMGM	NSFRMGMS		g6	1045 Carbon Steel or Equivalent	-
	SFRMGM	SFRMGMS				Black Oxide
	PSFRMGM	PSFRMGMS				Electroless Nickel Plating
	SSFRMGM	SSFRMGMS			304 Stainless Steel	-
③	NSFRHM	NSFRHMS	h7 (Ground)	h7	1045 Carbon Steel or Equivalent	-
	SFRHM	SFRHMS				Black Oxide
	PSFRHM	PSFRHMS				Electroless Nickel Plating
	SSFRHM	SSFRHMS			304 Stainless Steel	-
④	NSFRM	NSFRMS	g6 (Ground)	g6	1045 Carbon Steel or Equivalent	-
	SFRM	SFRMS				Black Oxide
	PSFRM	PSFRMS				Electroless Nickel Plating
	SSFRM	SSFRMS			304 Stainless Steel	-
	HFRM	-			4137 Alloy Steel or Equivalent Hardness: 30 ~ 35HRC	Black Oxide

Specifications

	Part Number	-	L	-	F	-	B	-	P	-	T	-	S	-	Q	-	SC
①D part h9 / P, Q part h7 ③h7 (Ground) with Wrench Flat	SFRMHM30 SFRHMS25	- -	250 200	- -	F30 F25	- -	B8 B15	- -	P10 P12	- -	T30 T25	- -	S8 S15	- -	Q10 Q12	-	SC30

①D tolerance h9 (Cold-drawn) / P, Q tolerance h7 ②D tolerance h9 (Cold-drawn) / P, Q tolerance g6

Part Number			0.1mm Increment		1mm Increment		P, Q Selection											1mm Increment	W	ℓ₂	(Y)max.
Type		D	L	F • T	B	S												SC Wrench Flats Type only
Standard	Wrench Flats	D	L	F • T	B	S												SC Wrench Flats Type only
①D part h9 / P, Q part h7 NSRMHM SFRMHM PSFRMHM SSFRMHM (D6 is not available for SSFRMHM.) ②D part h9 / P, Q part g6 NSFRMGM SFRMGM PSFRMGM SSFRMGM (D6 is not available for SSFRMGM.)	①D part h9 / P, Q part h7 NSRMHMS SFRMHMS PSFRMHMS SSFRMHMS (D6 is not available for SSFRMHMS.) ②D part h9 / P, Q part g6 NSFRMGMS SFRMGMS PSFRMGMS SSFRMGMS (D6 is not available for SSFRMGMS.)	6	15.0~390.0	5≤F≤Px7 5≤T≤Qx7	When P≤6 B≤Px3 & B≤F-2 When P=8 or 10 B≤Px3 & B≤F-3 When P≥12 B≤Px3 & B≤F-5	When Q≤6 S≤Qx3 & S≤T-2 When Q=8 or 10 S≤Qx3 & S≤T-3 When Q≥12 S≤Qx3 & S≤T-5	3	4	5									SC+ℓ₂≤L SC=0 or SC≥1	5	8	300
		8	15.0~490.0				3	4	5	6									7		400
		10	15.0~590.0					4	5	6	8								8		500
		12	15.0~690.0						5	6	8	10							10	10	600
		15	15.0~790.0						5	6	8	10	12						13		700
		20	30.0~990.0							6	8	10	12	16					17		800
		25	30.0~990.0								8	10	12	16	20				22
		30	30.0~990.0								8	10	12	16	20	24			27	15
		35	40.0~990.0									10	12	16	20	24	30		30	15

③h7 (Ground)

Part Number			0.1mm Increment		1mm Increment		P, Q Selection											1mm Increment	W	ℓ₂	(Y)max.
Type		D	L	F	B	S												SC Wrench Flats Type only
Standard	Wrench Flats	D	L	F	B	S												SC Wrench Flats Type only
NSFRHM SFRHM PSFRHM SSFRHM	NSFRHMS SFRHMS PSFRHMS SSFRHMS	6	15.0~390.0	5≤F≤Px7 5≤T≤Qx7	When P≤6 B≤Px3 & B≤F-2 When P=8 or 10 B≤Px3 & B≤F-3 When P≥12 B≤Px3 & B≤F-5	When Q≤6 S≤Qx3 & S≤T-2 When Q=8 or 10 S≤Qx3 & S≤T-3 When Q≥12 S≤Qx3 & S≤T-5	3	4	5									SC+ℓ₂≤L SC=0 or SC≥1	5	8	300
		8	15.0~490.0				3	4	5	6									7		400
		10	15.0~590.0					4	5	6	8								8		500
		12	15.0~690.0						5	6	8	10							10	10	600
		15	15.0~790.0						5	6	8	10	12						13		700
		17	30.0~890.0						5	6	8	10	12						14		800
		20	30.0~990.0							6	8	10	12	16					17
		25	30.0~990.0								8	10	12	16	20				22
		30	30.0~990.0								8	10	12	16	20	24			27	15
		35	40.0~990.0									10	12	16	20	24	30		30	15
		40	40.0~990.0										12	16	20	24	30		36	20
		50	40.0~990.0											16	20	24	30		41	20

④g6 (Ground)

Part Number				0.1mm Increment		1mm Increment		P, Q Selection											1mm Increment	W	ℓ₂	(Y)max.
Type		D		L	F • T	B	S												SC Wrench Flats Type only
Standard	Wrench Flats	D		L	F • T	B	S												SC Wrench Flats Type only
NSFRM SFRM PSFRM SSFRM (D13, 16, 18 and 22 are not available for SSFRM.) HFRM (Only marked sizes are available.)	NSFRMS SFRMS PSFRMS SSFRMS (D13, 16, 18 and 22 are not available for SSFRMS.)		6	15.0~390.0	5≤F≤Px7 5≤T≤Qx7	When P≤6 B≤Px3 & B≤F-2 When P=8 or 10 B≤Px3 & B≤F-3 When P≥12 B≤Px3 & B≤F-5	When Q≤6 S≤Qx3 & S≤T-2 When Q=8 or 10 S≤Qx3 & S≤T-3 When Q≥12 S≤Qx3 & S≤T-5	3	4	5									SC+ℓ₂≤L SC=0 or SC≥1	5	8	300
			8	15.0~490.0				3	4	5	6									7		400
			10	15.0~590.0					4	5	6	8								8		500
			12	15.0~690.0						5	6	8	10							10	10	600
			13	15.0~690.0						5	6	8	10							11		600
		*	15	15.0~790.0						5	6	8	10	12						13		700
			16	15.0~890.0						5	6	8	10	12						14		800
			17	30.0~890.0						5	6	8	10	12						14
			18	30.0~890.0						5	6	8	10	12						15
		*	20	30.0~990.0							6	8	10	12	16					17
			22	30.0~990.0							6	8	10	12	16					19
		*	25	30.0~990.0								8	10	12	16	20				22
		*	30	30.0~990.0								8	10	12	16	20	24			27	15
		*	35	40.0~990.0									10	12	16	20	24	30		30	15
		*	40	40.0~990.0										12	16	20	24	30		36	20
		*	50	40.0~990.0											16	20	24	30		41	20

[ ! ] When D-P (Q)≤2, chamfer C at the step is 0.2 or less.

Alterations

[ ! ]For Keyway Details, Click here.
[ ! ]For detailed undercut dimensions, Click here.

Part Number

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Part Number
HFRM15-[25-690/0.1]-F[2-84/0.1]-B[2-36/1]-P[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-Q[5,6,8,10,12]
HFRM15-[25-690/0.1]-F[2-84/0.1]-B[2-36/1]-P[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-QMC[5,6,8,10,12]
HFRM15-[25-690/0.1]-F[2-84/0.1]-B[2-36/1]-PMC[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-Q[5,6,8,10,12]
HFRM15-[25-690/0.1]-F[2-84/0.1]-B[2-36/1]-PMC[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-QMC[5,6,8,10,12]
HFRM20-[30-790/0.1]-F[2-112/0.1]-B[2-48/1]-P[6,8,10,12,16]-T[2-112/0.1]-S[2-48/1]-Q[6,8,10,12,16]
HFRM20-[30-790/0.1]-F[2-112/0.1]-B[2-48/1]-P[6,8,10,12,16]-T[2-112/0.1]-S[2-48/1]-QMC[6,8,10,12,15,17]
HFRM20-[30-790/0.1]-F[2-112/0.1]-B[2-48/1]-PMC[6,8,10,12,15,17]-T[2-112/0.1]-S[2-48/1]-Q[6,8,10,12,16]
HFRM20-[30-790/0.1]-F[2-112/0.1]-B[2-48/1]-PMC[6,8,10,12,15,17]-T[2-112/0.1]-S[2-48/1]-QMC[6,8,10,12,15,17]
HFRM25-[30-790/0.1]-F[3-140/0.1]-B[2-60/1]-P[8,10,12,16,20]-T[3-140/0.1]-S[2-60/1]-Q[8,10,12,16,20]
HFRM25-[30-790/0.1]-F[3-140/0.1]-B[2-60/1]-P[8,10,12,16,20]-T[3-140/0.1]-S[2-60/1]-QMC[8,10,12,15,17,20]
HFRM25-[30-790/0.1]-F[3-140/0.1]-B[2-60/1]-PMC[8,10,12,15,17,20]-T[3-140/0.1]-S[2-60/1]-Q[8,10,12,16,20]
HFRM25-[30-790/0.1]-F[3-140/0.1]-B[2-60/1]-PMC[8,10,12,15,17,20]-T[3-140/0.1]-S[2-60/1]-QMC[8,10,12,15,17,20]
HFRM30-[30-790/0.1]-F[3-168/0.1]-B[2-72/1]-P[8,10,12,16,20,24]-T[3-168/0.1]-S[2-72/1]-Q[8,10,12,16,20,24]
HFRM30-[30-790/0.1]-F[3-168/0.1]-B[2-72/1]-P[8,10,12,16,20,24]-T[3-168/0.1]-S[2-72/1]-QMC[8,10,12,15,17,20,25]
HFRM30-[30-790/0.1]-F[3-168/0.1]-B[2-72/1]-PMC[8,10,12,15,17,20,25]-T[3-168/0.1]-S[2-72/1]-Q[8,10,12,16,20,24]
HFRM30-[30-790/0.1]-F[3-168/0.1]-B[2-72/1]-PMC[8,10,12,15,17,20,25]-T[3-168/0.1]-S[2-72/1]-QMC[8,10,12,15,17,20,25]
HFRM35-[40-790/0.1]-F[3-210/0.1]-B[2-90/1]-P[10,12,16,20,24,30]-T[3-210/0.1]-S[2-90/1]-Q[10,12,16,20,24,30]
HFRM35-[40-790/0.1]-F[3-210/0.1]-B[2-90/1]-P[10,12,16,20,24,30]-T[3-210/0.1]-S[2-90/1]-QMC[10,12,15,17,20,25,30]
HFRM35-[40-790/0.1]-F[3-210/0.1]-B[2-90/1]-PMC[10,12,15,17,20,25,30]-T[3-210/0.1]-S[2-90/1]-Q[10,12,16,20,24,30]
HFRM35-[40-790/0.1]-F[3-210/0.1]-B[2-90/1]-PMC[10,12,15,17,20,25,30]-T[3-210/0.1]-S[2-90/1]-QMC[10,12,15,17,20,25,30]
HFRM40-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-P[12,16,20,24,30]-T[5-210/0.1]-S[2-90/1]-Q[12,16,20,24,30]
HFRM40-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-P[12,16,20,24,30]-T[5-210/0.1]-S[2-90/1]-QMC[12,15,17,20,25,30]
HFRM40-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-PMC[12,15,17,20,25,30]-T[5-210/0.1]-S[2-90/1]-Q[12,16,20,24,30]
HFRM40-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-PMC[12,15,17,20,25,30]-T[5-210/0.1]-S[2-90/1]-QMC[12,15,17,20,25,30]
HFRM50-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-P[16,20,24,30]-T[5-210/0.1]-S[2-90/1]-Q[16,20,24,30]
HFRM50-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-P[16,20,24,30]-T[5-210/0.1]-S[2-90/1]-QMC[15,17,20,25,30,35]
HFRM50-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-PMC[15,17,20,25,30,35]-T[5-210/0.1]-S[2-90/1]-Q[16,20,24,30]
HFRM50-[40-790/0.1]-F[5-210/0.1]-B[2-90/1]-PMC[15,17,20,25,30,35]-T[5-210/0.1]-S[2-90/1]-QMC[15,17,20,25,30,35]
PSFRHM6-[15-390/0.1]-F[2-35/0.1]-B[2-15/1]-P[3,4,5]-T[2-35/0.1]-S[2-15/1]-Q[3,4,5]
PSFRHM6-[15-390/0.1]-F[2-35/0.1]-B[2-15/1]-P[3,4,5]-T[2-35/0.1]-S[2-15/1]-QMC[3,4,5]
PSFRHM6-[15-390/0.1]-F[2-35/0.1]-B[2-15/1]-PMC[3,4,5]-T[2-35/0.1]-S[2-15/1]-Q[3,4,5]
PSFRHM6-[15-390/0.1]-F[2-35/0.1]-B[2-15/1]-PMC[3,4,5]-T[2-35/0.1]-S[2-15/1]-QMC[3,4,5]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B0-P[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-Q[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B0-P[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-QMC[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B0-PMC[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-Q[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B0-PMC[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-QMC[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B[3-18/1]-P[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-Q[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B[3-18/1]-P[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-QMC[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B[3-18/1]-PMC[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-Q[3,4,5,6]
PSFRHM8-[15-490/0.1]-F[2-42/0.1]-B[3-18/1]-PMC[3,4,5,6]-T[2-42/0.1]-S[2-18/1]-QMC[3,4,5,6]
PSFRHM10-[15-590/0.1]-F[2-56/0.1]-B[2-24/1]-P[4,5,6,8]-T[2-56/0.1]-S[2-24/1]-Q[4,5,6,8]
PSFRHM10-[15-590/0.1]-F[2-56/0.1]-B[2-24/1]-P[4,5,6,8]-T[2-56/0.1]-S[2-24/1]-QMC[4,5,6,8]
PSFRHM10-[15-590/0.1]-F[2-56/0.1]-B[2-24/1]-PMC[4,5,6,8]-T[2-56/0.1]-S[2-24/1]-Q[4,5,6,8]
PSFRHM10-[15-590/0.1]-F[2-56/0.1]-B[2-24/1]-PMC[4,5,6,8]-T[2-56/0.1]-S[2-24/1]-QMC[4,5,6,8]
PSFRHM12-[15-690/0.1]-F[2-70/0.1]-B[2-30/1]-P[5,6,8,10]-T[2-70/0.1]-S[2-30/1]-Q[5,6,8,10]
PSFRHM12-[15-690/0.1]-F[2-70/0.1]-B[2-30/1]-P[5,6,8,10]-T[2-70/0.1]-S[2-30/1]-QMC[5,6,8,10]
PSFRHM12-[15-690/0.1]-F[2-70/0.1]-B[2-30/1]-PMC[5,6,8,10]-T[2-70/0.1]-S[2-30/1]-Q[5,6,8,10]
PSFRHM12-[15-690/0.1]-F[2-70/0.1]-B[2-30/1]-PMC[5,6,8,10]-T[2-70/0.1]-S[2-30/1]-QMC[5,6,8,10]
PSFRHM15-[15-790/0.1]-F[2-84/0.1]-B[2-36/1]-P[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-Q[5,6,8,10,12]
PSFRHM15-[15-790/0.1]-F[2-84/0.1]-B[2-36/1]-P[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-QMC[5,6,8,10,12]
PSFRHM15-[15-790/0.1]-F[2-84/0.1]-B[2-36/1]-PMC[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-Q[5,6,8,10,12]
PSFRHM15-[15-790/0.1]-F[2-84/0.1]-B[2-36/1]-PMC[5,6,8,10,12]-T[2-84/0.1]-S[2-36/1]-QMC[5,6,8,10,12]
PSFRHM17-[30-890/0.1]-F[2-84/0.1]-B[2-36/1]-P[5,6,8,10,12]-T[2-84/0.1]-S[2-45/1]-Q[5,6,8,10,12]
PSFRHM17-[30-890/0.1]-F[2-84/0.1]-B[2-36/1]-P[5,6,8,10,12]-T[2-84/0.1]-S[2-45/1]-QMC[6,8,10,12,15]
PSFRHM17-[30-890/0.1]-F[2-84/0.1]-B[2-36/1]-PMC[6,8,10,12,15]-T[2-84/0.1]-S[2-45/1]-Q[5,6,8,10,12]
PSFRHM17-[30-890/0.1]-F[2-84/0.1]-B[2-36/1]-PMC[6,8,10,12,15]-T[2-84/0.1]-S[2-45/1]-QMC[6,8,10,12,15]
PSFRHM20-[30-990/0.1]-F[2-112/0.1]-B[2-48/1]-P[6,8,10,12,16]-T[2-112/0.1]-S[2-48/1]-Q[6,8,10,12,16]
PSFRHM20-[30-990/0.1]-F[2-112/0.1]-B[2-48/1]-P[6,8,10,12,16]-T[2-112/0.1]-S[2-48/1]-QMC[6,8,10,12,15,17]
PSFRHM20-[30-990/0.1]-F[2-112/0.1]-B[2-48/1]-PMC[6,8,10,12,15,17]-T[2-112/0.1]-S[2-48/1]-Q[6,8,10,12,16]
PSFRHM20-[30-990/0.1]-F[2-112/0.1]-B[2-48/1]-PMC[6,8,10,12,15,17]-T[2-112/0.1]-S[2-48/1]-QMC[6,8,10,12,15,17]

Minimum order quantity	Days to Ship	RoHS	Shaft Dia. D (mm)	Material	Heat Treatment	Surface Finish	Shaft Dia. Tolerance (Metric Only)	Length L (mm)	B (mm)	Coarse Thread [P] (Stepped Dia.) (mm)	Coarse Thread [Q] (Stepped Dia.) (mm)	F (mm)	Fine Thread [PMC] for P (mm)	Fine Thread [QMC] for Q (mm)	S (mm)	T (mm)	Wrench Flats Machining [SC] (mm)
1 Piece(s)	9 Days or more	10	15	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	25 ～ 690	2 ～ 36	5 ～ 12	5 ～ 12	2 ～ 84	-	-	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	15	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	25 ～ 690	2 ～ 36	5 ～ 12	-	2 ～ 84	-	5 ～ 12	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	15	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	25 ～ 690	2 ～ 36	-	5 ～ 12	2 ～ 84	5 ～ 12	-	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	15	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	25 ～ 690	2 ～ 36	-	-	2 ～ 84	5 ～ 12	5 ～ 12	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	20	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 48	6 ～ 16	6 ～ 16	2 ～ 112	-	-	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	20	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 48	6 ～ 16	-	2 ～ 112	-	6 ～ 17	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	20	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 48	-	6 ～ 16	2 ～ 112	6 ～ 17	-	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	20	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 48	-	-	2 ～ 112	6 ～ 17	6 ～ 17	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	25	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 60	8 ～ 20	8 ～ 20	3 ～ 140	-	-	2 ～ 60	3 ～ 140	-
1 Piece(s)	9 Days or more	10	25	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 60	8 ～ 20	-	3 ～ 140	-	8 ～ 20	2 ～ 60	3 ～ 140	-
1 Piece(s)	9 Days or more	10	25	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 60	-	8 ～ 20	3 ～ 140	8 ～ 20	-	2 ～ 60	3 ～ 140	-
1 Piece(s)	9 Days or more	10	25	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 60	-	-	3 ～ 140	8 ～ 20	8 ～ 20	2 ～ 60	3 ～ 140	-
1 Piece(s)	9 Days or more	10	30	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 72	8 ～ 24	8 ～ 24	3 ～ 168	-	-	2 ～ 72	3 ～ 168	-
1 Piece(s)	9 Days or more	10	30	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 72	8 ～ 24	-	3 ～ 168	-	8 ～ 25	2 ～ 72	3 ～ 168	-
1 Piece(s)	9 Days or more	10	30	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 72	-	8 ～ 24	3 ～ 168	8 ～ 25	-	2 ～ 72	3 ～ 168	-
1 Piece(s)	9 Days or more	10	30	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 790	2 ～ 72	-	-	3 ～ 168	8 ～ 25	8 ～ 25	2 ～ 72	3 ～ 168	-
1 Piece(s)	9 Days or more	10	35	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	10 ～ 30	10 ～ 30	3 ～ 210	-	-	2 ～ 90	3 ～ 210	-
1 Piece(s)	9 Days or more	10	35	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	10 ～ 30	-	3 ～ 210	-	10 ～ 30	2 ～ 90	3 ～ 210	-
1 Piece(s)	9 Days or more	10	35	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	-	10 ～ 30	3 ～ 210	10 ～ 30	-	2 ～ 90	3 ～ 210	-
1 Piece(s)	9 Days or more	10	35	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	-	-	3 ～ 210	10 ～ 30	10 ～ 30	2 ～ 90	3 ～ 210	-
1 Piece(s)	9 Days or more	10	40	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	12 ～ 30	12 ～ 30	5 ～ 210	-	-	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	40	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	12 ～ 30	-	5 ～ 210	-	12 ～ 30	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	40	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	-	12 ～ 30	5 ～ 210	12 ～ 30	-	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	40	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	-	-	5 ～ 210	12 ～ 30	12 ～ 30	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	50	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	16 ～ 30	16 ～ 30	5 ～ 210	-	-	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	50	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	16 ～ 30	-	5 ～ 210	-	15 ～ 35	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	50	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	-	16 ～ 30	5 ～ 210	15 ～ 35	-	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	50	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 790	2 ～ 90	-	-	5 ～ 210	15 ～ 35	15 ～ 35	2 ～ 90	5 ～ 210	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 390	2 ～ 15	3 ～ 5	3 ～ 5	2 ～ 35	-	-	2 ～ 15	2 ～ 35	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 390	2 ～ 15	3 ～ 5	-	2 ～ 35	-	3 ～ 5	2 ～ 15	2 ～ 35	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 390	2 ～ 15	-	3 ～ 5	2 ～ 35	3 ～ 5	-	2 ～ 15	2 ～ 35	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 390	2 ～ 15	-	-	2 ～ 35	3 ～ 5	3 ～ 5	2 ～ 15	2 ～ 35	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	0	3 ～ 6	3 ～ 6	2 ～ 42	-	-	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	0	3 ～ 6	-	2 ～ 42	-	3 ～ 6	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	0	-	3 ～ 6	2 ～ 42	3 ～ 6	-	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	0	-	-	2 ～ 42	3 ～ 6	3 ～ 6	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	3 ～ 18	3 ～ 6	3 ～ 6	2 ～ 42	-	-	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	3 ～ 18	3 ～ 6	-	2 ～ 42	-	3 ～ 6	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	3 ～ 18	-	3 ～ 6	2 ～ 42	3 ～ 6	-	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 490	3 ～ 18	-	-	2 ～ 42	3 ～ 6	3 ～ 6	2 ～ 18	2 ～ 42	-
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 590	2 ～ 24	4 ～ 8	4 ～ 8	2 ～ 56	-	-	2 ～ 24	2 ～ 56	-
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 590	2 ～ 24	4 ～ 8	-	2 ～ 56	-	4 ～ 8	2 ～ 24	2 ～ 56	-
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 590	2 ～ 24	-	4 ～ 8	2 ～ 56	4 ～ 8	-	2 ～ 24	2 ～ 56	-
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 590	2 ～ 24	-	-	2 ～ 56	4 ～ 8	4 ～ 8	2 ～ 24	2 ～ 56	-
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 690	2 ～ 30	5 ～ 10	5 ～ 10	2 ～ 70	-	-	2 ～ 30	2 ～ 70	-
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 690	2 ～ 30	5 ～ 10	-	2 ～ 70	-	5 ～ 10	2 ～ 30	2 ～ 70	-
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 690	2 ～ 30	-	5 ～ 10	2 ～ 70	5 ～ 10	-	2 ～ 30	2 ～ 70	-
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 690	2 ～ 30	-	-	2 ～ 70	5 ～ 10	5 ～ 10	2 ～ 30	2 ～ 70	-
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 790	2 ～ 36	5 ～ 12	5 ～ 12	2 ～ 84	-	-	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 790	2 ～ 36	5 ～ 12	-	2 ～ 84	-	5 ～ 12	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 790	2 ～ 36	-	5 ～ 12	2 ～ 84	5 ～ 12	-	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 790	2 ～ 36	-	-	2 ～ 84	5 ～ 12	5 ～ 12	2 ～ 36	2 ～ 84	-
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 890	2 ～ 36	5 ～ 12	5 ～ 12	2 ～ 84	-	-	2 ～ 45	2 ～ 84	-
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 890	2 ～ 36	5 ～ 12	-	2 ～ 84	-	6 ～ 15	2 ～ 45	2 ～ 84	-
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 890	2 ～ 36	-	5 ～ 12	2 ～ 84	6 ～ 15	-	2 ～ 45	2 ～ 84	-
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 890	2 ～ 36	-	-	2 ～ 84	6 ～ 15	6 ～ 15	2 ～ 45	2 ～ 84	-
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 990	2 ～ 48	6 ～ 16	6 ～ 16	2 ～ 112	-	-	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 990	2 ～ 48	6 ～ 16	-	2 ～ 112	-	6 ～ 17	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 990	2 ～ 48	-	6 ～ 16	2 ～ 112	6 ～ 17	-	2 ～ 48	2 ～ 112	-
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 990	2 ～ 48	-	-	2 ～ 112	6 ～ 17	6 ～ 17	2 ～ 48	2 ～ 112	-

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More Information

Select from h9 (Cold-drawn), h7 (Ground) and g6 (Ground) for your applications.

Example

Rotary Shafts Thread Undercut (PC/QC) Dimensions (Reference)

When Thread undercut machining (PC/QC) is specified, PC/QC dimension is as shown in the table below.

As for the PC and QC Dimensions for the Fine Thread alteration (PMC/QMC), also refer to the tables below.

Coarse Thread

P(=M) Q(=N)	PC QC
3	2.4
4	3.2
5	4.1
6	4.4
7	6.0
10	7.7
12	9.4
16	13.0
20	16.4
24	19.6
30	25.0

Combined with Fine Thread Alteration

PMC QMC	PC QC
3	2.4
4	3.2
5	4.1
6	4.8
8	6.4
10	8.4
12	10.4
15	13.4
17	15.4
20	18.4
25	22.7
30	27.7

Detailed Retaining Ring Groove Dimensions Rotary & Driving Shafts

Shaft Diameter	d Tolerance		Slot Width (m) Tolerance		Applicable Retaining Ring
2	1.2	+0.06 0	0.4	+0.05 0	JIS E Type 1.2
2.5	1.5		0.5		JIS E Type 1.5
3	2		0.5		JIS E Type 2
4	3		0.7	+0.1 0	JIS E Type 3
5	4	+0.075 0			JIS E Type 4
6	5				JIS E Type 5
7	6		0.9		JIS E Type 6
8	7	+0.09 0			JIS E Type 7
9	8	+0.09 0			JIS E Type 8
10	9.6	0/-0.09	1.15	+0.14 0	JIS C Type 10
11	10.5	0 -0.11			JIS C Type 11
12	11.5				JIS C Type 12
13	12.4				JIS C Type 13
14	13.4				JIS C Type 14
15	14.3				JIS C Type 15
16	15.2				JIS C Type 16
17	16.2				JIS C Type 17
18	17		1.35		JIS C Type 18
19	18		1.35		JIS C Type 19

[ ! ]An applicable retaining ring is attached.

Shaft Diameter	d Tolerance		Slot Width (m) Tolerance		Applicable Retaining Ring
20	19	0 -0.21	1.35	+0.14 0	JIS C Type 20
21	20				JIS C Type 21
22	21				JIS C Type 22
23	22				JIS C Type 23
24	22.9				JIS C Type 24
25	23.9				JIS C Type 25
26	24.9				JIS C Type 26
28	26.6		1.65		JIS C Type 28
29	27.6				JIS C Type 29
30	28.6				JIS C Type 30
32	30.3	0 -0.25			JIS C Type 32
35	33				JIS C Type 35
40	38		1.9		JIS C Type 40
45	42.5		1.9		JIS C Type 45
50	47		2.2		JIS C Type 50

Support Information

Basis of Fitting Selection/Dimensional Tolerances & Fitting

Click here for the information

Difference between Shatf and Rotary Shaft

Comparison of specifications between linear shafts and shafts for rotary shafts

Basic Specifications

Specifications	Rotary Shafts		Linear Shafts
Material	1045 Carbon Steel or Equivalent 304 Stainless Steel	4137 Alloy Steel or Equivalent	52100 Bearing Steel Equivalent SUS440C(13Cr) Stainless Steel Equivalent	1045 Carbon Steel Equivalent or 304 Stainless Steel
Quenching/Hardness	-	Hardness 30-35HRC	High-frequency quenching	-
Outer Diameter Tolerance	h9/h7	g6	g6/h5	f8
Surface Treatment	No plating Black Oxide Electroless Nickel Plating	Black Oxide Electroless Nickel Plating	No Plating Hard Chrome Plating Low Temp. Black Chrome Plating Electroless Nickel Plating (Only Surface Treatment Fully Plated Type)	Hard Chrome Plating

Alterations

Alterations	Rotary Shafts	Linear Shafts
L Dimension Tolerance	L<500: L±0.05 L≧500: L±0.1 L≧800: NOT applicable	L<200: L±0.03 200≦L<500: L±0.05 L≧500: L±0.1
Flat Key Grooves	Up to 1 location specified	Up to 2 locations specified
Set Screw Flat	Up to 3 locations specified	Up to 2 locations specified
2 Set Screw Flat	Up to 1 location specified Angle Specification: 15 Deg. Inc	Up to 2 locations specified Angle Specification: Fixed
V-groove	-	Up to 2 locations specified
Keyway	Up to 4 locations specified Specified on step: Applicable	Up to 2 locations specified Specified on step: NOT applicable
Change to Fine Threads	1 type	2 type
Change to Fine Threads Tap	-	1 type
Undercut	M3~M30	M6~M30
Tapped Depth	Applicable	Applicable
Retainning Ring Groove	Up to 2 locations on D and 1 locationon each step *Can be chosen together	Up to 2 locations specified (Only Retaining Ring type applicable)
Slit Cam Groove	Up to 1 location specified	-
Concentricity	Applicable	-
Left Hand Thread	Applicable	-
Slit	Up to 1 location specified	-
C Chamfering Width	Applicable	-

*Click here for information of Rotary Shaft Alteration Guide or Shaft Alteration Guide

Material/Surface General Information

General Material Information

General Surface Treatment Information

Comparisons of Materials between JIS & Foreign Standards

Compatible Models

Category	Ball Bearings	Bearings with Housings	Flexible Couplings	Timing Pulleys	Timing Belts
Image

Product TOP

Basic Information

Basic Shape	Both Ends Stepped	End Shape (Left)	Threaded	End Shape (Right)	Threaded
Keyway	Keyway Option (Alteration)

Configure

780 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Dia. D(mm)
6

8

10

12

13

15

16

17

18

20

22

25

30

35

40

50
Clear
Heat Treatment
- Not Hardened
- Hardened
Clear
Surface Finish
- None
- Black Oxide
- Electroless Nickel
Clear
Shaft Dia. Tolerance (Metric Only)
- h9 (Cold-drawn)
- h7 (Ground)
- g6 (Ground)
Clear
Length L(mm)
[15-990/0.1mm Unit(s)]
Clear
B(mm)
0
[2-90/1mm Unit(s)]
Clear
Coarse Thread [P] (Stepped Dia.)(mm)
3

4

5

6

8

10

12

16

20

24

30
Clear
Coarse Thread [Q] (Stepped Dia.)(mm)
3

4

5

6

8

10

12

16

20

24

30
Clear
F(mm)
[2-210/0.1mm Unit(s)]
Clear
Fine Thread [PMC] for P(mm)
3

4

5

6

8

10

12

15

17

20

25

30

35

40
Clear
Fine Thread [QMC] for Q(mm)
3

4

5

6

8

10

12

15

17

20

25

30

35

40
Clear
S(mm)
0
[0-90/1mm Unit(s)]
Clear
T(mm)
[2-210/0.1mm Unit(s)]
Clear
Wrench Flats Machining [SC](mm)
[0-780/0.1mm Unit(s)][0-980/1mm Unit(s)]
Clear
type
- HFRM
- PSFRHM
- PSFRHMS
- PSFRM
- PSFRMGM
- PSFRMGMS
- PSFRMHM
- PSFRMHMS
- PSFRMS
- SFRHM
- SFRHMS
- SFRM
- SFRMGM
- SFRMGMS
- SFRMHM
- SFRMHMS
- SFRMS
- SSFRHM
- SSFRHMS
- SSFRM
- SSFRMGM
- SSFRMGMS
- SSFRMHM
- SSFRMHMS
- SSFRMS
Clear
Material
- Steel
  - 1045 Carbon Steel or Equivalent
  - 4137 Alloy Steel or Equivalent
- 304 Stainless Steel
Clear
CAD
- 2D
- 3D
Clear