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Rotary Shafts - One end internally threaded.

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 - One End Tapped 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] 4mm - 50mm
[Length range]15mm - 1000mm. Use the alteration LKC to specify the length in 0.1mm increment.

Inch option available, please click Here.

METRIC
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Rotary Shafts - One End Tapped:Related Image

・Materials

Type			D Tolerance	[ M ]Material	[ S ]Surface Treatment
	Standard	Wrench Flats	D Tolerance	[ M ]Material	[ S ]Surface Treatment
①	NSFMRT	NSFMRTS	h9 (Cold-drawn)	1045 Carbon Steel or Equivalent	-
	SFMRT	SFMRTS			Black Oxide
	PSFMRT	PSFMRTS			Electroless Nickel Plating
	SSFMRT	SSFMRTS		304 Stainless Steel	-
②	NSFHRT	NSFHRTS	h7 (Ground)	1045 Carbon Steel or Equivalent	-
	SFHRT	SFHRTS			Black Oxide
	PSFHRT	PSFHRTS			Electroless Nickel Plating
	SSFHRT	SSFHRTS		304 Stainless Steel	-
③	NSFRT	NSFRTS	g6 (Ground)	1045 Carbon Steel or Equivalent	-
	SFRT	SFRTS			Black Oxide
	PSFRT	PSFRTS			Electroless Nickel Plating
	SSFRT	SSFRTS		304 Stainless Steel	-
	HFRT	-		4137 Alloy Steel or Equivalent Hardness: 30 ~ 35HRC	Black Oxide
	PHFRT	-		4137 Alloy Steel or Equivalent Hardness: 30 ~ 35HRC	Electroless Nickel Plating

Specifications

	Part Number	-	L	-	M	-	SC
	SFMRT30 SSFHRTS25	- - -	250 200	- -	M12 M8	-	SC20

①h9 (Cold-drawn)

Part Number			L=0.1mm Increment	M (Coarse) Selection											SC 1mm Increment Wrench Flats Type only	W	ℓ₂
Type		D
Standard	Wrench Flats	D
NSFMRT SFMRT PSFMRT SSFMRT (D4, D5 and D6 are not available for SSFMRT.)	NSFMRTS SFMRTS PSFMRTS SSFMRTS (D4, D5 and D6 are not available for SSFMRTS.) (Wrench flats are not available for D4 and D5.)	4	15.0~200.0	2											-	-	-
		5	15.0~250.0	2 2.6	3										-	-	-
		6	15.0~400.0	2.6	3	4									SC+ℓ₂≤L SC=0 or SC≥1 [ ! ]For SC≤Mx3 W-M≥2	5	8
		8	15.0~500.0	2.6	3	4	5	6								7
		10	15.0~600.0		3	4	5	6								8
		12	15.0~700.0			4	5	6	8							10	10
		15	15.0~800.0			4	5	6	8	10						13
		20	30.0~1000.0			4	5	6	8	10	12	16				17
		25	50.0~1000.0			4	5	6	8	10	12	16				22
		30	60.0~1000.0					6	8	10	12	16	20			27	15
		35	70.0~1000.0					6	8	10	12	16	20	24		30	15

②h7 (Ground)

Part Number			L=0.1mm Increment	M (Coarse) Selection												SC 1mm Increment Wrench Flats Type only	W	ℓ₂
Type		D
Standard	Wrench Flats	D
NSFHRT SFHRT PSFHRT SSFHRT	NSFHRTS SFHRTS PSFHRTS SSFHRTS (Wrench flats are not available for D4 and D5.)	4	15.0~200.0	2												-	-	-
		5	15.0~250.0	2 2.6	3											-	-	-
		6	15.0~400.0	2.6	3	4										SC+ℓ₂≤L SC=0 or SC≥1 [ ! ]For SC≤Mx3 W-M≥2	5	8
		8	15.0~500.0	2.6	3	4	5	6									7
		10	15.0~600.0		3	4	5	6									8
		12	15.0~700.0			4	5	6	8								10	10
		15	15.0~800.0			4	5	6	8	10							13
		17	30.0~900.0			4	5	6	8	10	12						14
		20	30.0~1000.0			4	5	6	8	10	12	16					17
		25	50.0~1000.0			4	5	6	8	10	12	16					22
		30	60.0~1000.0					6	8	10	12	16	20				27	15
		35	70.0~1000.0					6	8	10	12	16	20	24			30	15
		40	80.0~1000.0							10	12	16	20	24	30		36	20
		50	100.0~1000.0								12	16	20	24	30		41	20

③g6 (Ground)

Part Number				L=0.1mm Increment		M (Coarse) Selection											SC 1mm Increment Wrench Flats Type only	W	ℓ₂
Type		D
Standard	Wrench Flats	D
NSFRT SFRT PSFRT SSFRT (D13, 16, 18 and 22 are not available for SSFRT.) HFRT (Only marked sizes are available.) PHFRT (Only marked sizes are available.)	NSFRTS SFRTS PSFRTS SSFRTS (D13, 16, 18 and 22 are not available for SSFRTS.) (Wrench flats are not available for D4 and D5.)		4	15.0~200.0	2												-	-	-
			5	15.0~250.0	2 2.6	3											-	-	-
			6	15.0~400.0	2.6	3	4										SC+ℓ₂≤L SC=0 or SC≥1 [ ! ]For SC≤Mx3 W-M≥2	5	8
			8	15.0~500.0	2.6	3	4	5	6									7
			10	15.0~600.0		3	4	5	6									8
			12	15.0~700.0			4	5	6	8								10	10
			13	15.0~700.0			4	5	6	8								11
		*	15	15.0~800.0			4	5	6	8	10							13
			16	15.0~900.0			4	5	6	8	10							14
			17	30.0~900.0			4	5	6	8	10	12						14
			18	30.0~900.0			4	5	6	8	10	12						15
		*	20	30.0~1000.0			4	5	6	8	10	12	16					17
			22	40.0~1000.0			4	5	6	8	10	12	16					19
		*	25	50.0~1000.0			4	5	6	8	10	12	16					22
		*	30	60.0~1000.0					6	8	10	12	16	20				27	15
		*	35	70.0~1000.0					6	8	10	12	16	20	24			30	15
		*	40	80.0~1000.0							10	12	16	20	24	30		36	20
		*	50	100.0~1000.0								12	16	20	24	30		41	20

Alterations

[ ! ]For Keyway Details, Click here.
[ ! ]For dimensions of the retaining ring groove, Click here.

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

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Part Number
HFRT15-[30-700/0.1]-M[5,6,8,10]
HFRT20-[40-800/0.1]-M[5,6,8,10,12,16]
HFRT25-[50-800/0.1]-M[5,6,8,10,12,16]
HFRT30-[60-800/0.1]-M[8,10,12,16,20]
HFRT35-[70-800/0.1]-M[8,10,12,16,20,24]
HFRT40-[80-800/0.1]-M[12,16,20,24,30]
HFRT50-[100-800/0.1]-M[16,20,24,30]
PHFRT15-[30-700/0.1]-M[5,6,8,10]
PHFRT20-[40-800/0.1]-M[5,6,8,10,12,16]
PHFRT25-[50-800/0.1]-M[5,6,8,10,12,16]
PHFRT30-[60-800/0.1]-M[8,10,12,16,20]
PHFRT35-[70-800/0.1]-M[8,10,12,16,20,24]
PHFRT40-[80-800/0.1]-M[12,16,20,24,30]
PHFRT50-[100-800/0.1]-M[16,20,24,30]
PSFHRT4-[15-200/0.1]-M2
PSFHRT5-[15-250/0.1]-M[2,2.6,3]
PSFHRT5-[15-250/0.1]-MD3
PSFHRT6-[15-400/0.1]-M[2.6,3,4]
PSFHRT6-[15-400/0.1]-MD[3,4]
PSFHRT8-[15-500/0.1]-M[2.6,3,4,5,6]
PSFHRT8-[15-500/0.1]-MD[3,4,5,6]
PSFHRT10-[15-600/0.1]-M[3,4,5,6]
PSFHRT10-[15-600/0.1]-MD[3,4,5,6]
PSFHRT12-[15-700/0.1]-M[4,5,6,8]
PSFHRT12-[15-700/0.1]-MD[4,5,6,8]
PSFHRT15-[15-800/0.1]-M[4,5,6,8,10]
PSFHRT15-[15-800/0.1]-MD[4,5,6,8,10]
PSFHRT17-[30-900/0.1]-M[4,5,6,8,10,12]
PSFHRT17-[30-900/0.1]-MD[4,5,6,8,10,12]
PSFHRT20-[30-1000/0.1]-M[4,5,6,8,10,12,16]
PSFHRT20-[30-1000/0.1]-MD[4,5,6,8,10,12,16]
PSFHRT25-[50-1000/0.1]-M[4,5,6,8,10,12,16]
PSFHRT25-[50-1000/0.1]-MD[4,5,6,8,10,12,16]
PSFHRT30-[60-1000/0.1]-M[6,8,10,12,16,20]
PSFHRT30-[60-1000/0.1]-MD[6,8,10,12,16,20]
PSFHRT35-[70-1000/0.1]-M[6,8,10,12,16,20,24]
PSFHRT35-[70-1000/0.1]-MD[6,8,10,12,16,20]
PSFHRT40-[80-1000/0.1]-M[10,12,16,20,24,30]
PSFHRT40-[80-1000/0.1]-MD[10,12,16,20]
PSFHRT50-[100-1000/0.1]-M[12,16,20,24,30]
PSFHRT50-[100-1000/0.1]-MD[12,16,20]
PSFHRTS6-[15-400/0.1]-M[2.6,3,4]-SC[0-392/1]
PSFHRTS6-[15-400/0.1]-MD[3,4]-SC[0-392/1]
PSFHRTS8-[15-500/0.1]-M[2.6,3,4,5,6]-SC[0-492/1]
PSFHRTS8-[15-500/0.1]-MD[3,4,5,6]-SC[0-492/1]
PSFHRTS10-[15-600/0.1]-M[3,4,5,6]-SC[0-592/1]
PSFHRTS10-[15-600/0.1]-MD[3,4,5,6]-SC[0-592/1]
PSFHRTS12-[15-700/0.1]-M[4,5,6,8]-SC[0-690/1]
PSFHRTS12-[15-700/0.1]-MD[4,5,6,8]-SC[0-690/1]
PSFHRTS15-[15-800/0.1]-M[4,5,6,8,10]-SC[0-790/1]
PSFHRTS15-[15-800/0.1]-MD[4,5,6,8,10]-SC[0-790/1]
PSFHRTS17-[30-900/0.1]-M[4,5,6,8,10,12]-SC[0-890/1]
PSFHRTS17-[30-900/0.1]-MD[4,5,6,8,10,12]-SC[0-890/1]
PSFHRTS20-[30-1000/0.1]-M[4,5,6,8,10,12,16]-SC[0-990/1]
PSFHRTS20-[30-1000/0.1]-MD[4,5,6,8,10,12,16]-SC[0-990/1]
PSFHRTS25-[50-1000/0.1]-M[4,5,6,8,10,12,16]-SC[0-990/1]
PSFHRTS25-[50-1000/0.1]-MD[4,5,6,8,10,12,16]-SC[0-990/1]
PSFHRTS30-[60-1000/0.1]-M[6,8,10,12,16,20]-SC[0-985/1]
PSFHRTS30-[60-1000/0.1]-MD[6,8,10,12,16,20]-SC[0-985/1]
PSFHRTS35-[70-1000/0.1]-M[6,8,10,12,16,20,24]-SC[0-985/1]

Minimum order quantity	Days to Ship	RoHS	Shaft Dia. D (mm)	Material	Heat Treatment	Surface Finish	Shaft Dia. Tolerance (Metric Only)	Length L (mm)	Feature Type	Coarse Tapped [MD] Depth=Mx3	Coarse Tapped [M]	Wrench Flats Position [SC] (mm)
1 Piece(s)	9 Days or more	10	15	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	30 ～ 700	Standard	-	5 ～ 10	-
1 Piece(s)	9 Days or more	10	20	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	40 ～ 800	Standard	-	5 ～ 16	-
1 Piece(s)	9 Days or more	10	25	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	50 ～ 800	Standard	-	5 ～ 16	-
1 Piece(s)	9 Days or more	10	30	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	60 ～ 800	Standard	-	8 ～ 20	-
1 Piece(s)	9 Days or more	10	35	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	70 ～ 800	Standard	-	8 ～ 24	-
1 Piece(s)	9 Days or more	10	40	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	80 ～ 800	Standard	-	12 ～ 30	-
1 Piece(s)	9 Days or more	10	50	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Black Oxide	g6 (Ground)	100 ～ 800	Standard	-	16 ～ 30	-
1 Piece(s)	9 Days or more	10	15	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	30 ～ 700	Standard	-	5 ～ 10	-
1 Piece(s)	9 Days or more	10	20	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	40 ～ 800	Standard	-	5 ～ 16	-
1 Piece(s)	9 Days or more	10	25	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	50 ～ 800	Standard	-	5 ～ 16	-
1 Piece(s)	9 Days or more	10	30	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	60 ～ 800	Standard	-	8 ～ 20	-
1 Piece(s)	9 Days or more	10	35	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	70 ～ 800	Standard	-	8 ～ 24	-
1 Piece(s)	9 Days or more	10	40	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	80 ～ 800	Standard	-	12 ～ 30	-
1 Piece(s)	9 Days or more	10	50	[Steel] 4137 Alloy Steel or Equivalent	Hardened	Electroless Nickel	g6 (Ground)	100 ～ 800	Standard	-	16 ～ 30	-
1 Piece(s)	9 Days or more	10	4	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 200	Standard	-	2	-
1 Piece(s)	9 Days or more	10	5	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 250	Standard	-	2 ～ 3	-
1 Piece(s)	9 Days or more	10	5	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 250	Standard	3	-	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 400	Standard	-	2.6 ～ 4	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 400	Standard	3 ～ 4	-	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 500	Standard	-	2.6 ～ 6	-
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 500	Standard	3 ～ 6	-	-
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 600	Standard	-	3 ～ 6	-
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 600	Standard	3 ～ 6	-	-
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 700	Standard	-	4 ～ 8	-
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 700	Standard	4 ～ 8	-	-
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 800	Standard	-	4 ～ 10	-
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 800	Standard	4 ～ 10	-	-
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 900	Standard	-	4 ～ 12	-
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 900	Standard	4 ～ 12	-	-
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 1000	Standard	-	4 ～ 16	-
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 1000	Standard	4 ～ 16	-	-
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	50 ～ 1000	Standard	-	4 ～ 16	-
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	50 ～ 1000	Standard	4 ～ 16	-	-
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	60 ～ 1000	Standard	-	6 ～ 20	-
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	60 ～ 1000	Standard	6 ～ 20	-	-
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	70 ～ 1000	Standard	-	6 ～ 24	-
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	70 ～ 1000	Standard	6 ～ 20	-	-
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	80 ～ 1000	Standard	-	10 ～ 30	-
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	80 ～ 1000	Standard	10 ～ 20	-	-
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	100 ～ 1000	Standard	-	12 ～ 30	-
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	100 ～ 1000	Standard	12 ～ 20	-	-
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 400	With Wrench Flats	-	2.6 ～ 4	0 ～ 392
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 400	With Wrench Flats	3 ～ 4	-	0 ～ 392
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 500	With Wrench Flats	-	2.6 ～ 6	0 ～ 492
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 500	With Wrench Flats	3 ～ 6	-	0 ～ 492
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 600	With Wrench Flats	-	3 ～ 6	0 ～ 592
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 600	With Wrench Flats	3 ～ 6	-	0 ～ 592
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 700	With Wrench Flats	-	4 ～ 8	0 ～ 690
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 700	With Wrench Flats	4 ～ 8	-	0 ～ 690
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 800	With Wrench Flats	-	4 ～ 10	0 ～ 790
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	15 ～ 800	With Wrench Flats	4 ～ 10	-	0 ～ 790
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 900	With Wrench Flats	-	4 ～ 12	0 ～ 890
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 900	With Wrench Flats	4 ～ 12	-	0 ～ 890
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 1000	With Wrench Flats	-	4 ～ 16	0 ～ 990
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	30 ～ 1000	With Wrench Flats	4 ～ 16	-	0 ～ 990
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	50 ～ 1000	With Wrench Flats	-	4 ～ 16	0 ～ 990
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	50 ～ 1000	With Wrench Flats	4 ～ 16	-	0 ～ 990
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	60 ～ 1000	With Wrench Flats	-	6 ～ 20	0 ～ 985
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	60 ～ 1000	With Wrench Flats	6 ～ 20	-	0 ～ 985
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Not Hardened	Electroless Nickel	h7 (Ground)	70 ～ 1000	With Wrench Flats	-	6 ～ 24	0 ～ 985

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More Information

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

Example

Technical Information

Detailed Dimensions for Keyway & Threaded Relief of Rotary Shafts & Driving Shafts

Detailed dimensions of Keyway for Shaft Dia.(D·P·Q)

Shaft Diameter	b		t		r
Shaft Diameter	Reference Dimension	Tolerance (N9)	Reference Dimension	Tolerance	r
6-7	2	-0.004 -0.029	1.2	0.1 -0	0.08- 0.16
8-10	3	-0.004 -0.029	1.8
11-12	4	0 -0.03	2.5
13-17	5		3.0		0.16- 0.25
18-22	6		3.5
23-30	8	0 -0.036	4.0	+0.2 0
31-38	10	0 -0.036	5.0		0.25- 0.4
39-44	12	0 -0.043	5.0
45-50	14	0 -0.043	5.0

[ ! ]The example below shows the keyway shape for the specs KC, WKC, K=0, KC+A≥L and WKC+C+K+E>L.

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	Straight	End Shape (Left)	Tapped	End Shape (Right)	No Machining
Keyway	Keyway Option (Alteration)

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343 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Dia. D(mm)
4

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Clear
Material
- Steel
  - 1045 Carbon Steel or Equivalent
  - 4137 Alloy Steel or Equivalent
- 304 Stainless Steel
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)
[15-1000/0.1mm Unit(s)]
Clear
Feature Type
- Standard
- With Wrench Flats
Clear
Coarse Tapped [MD] Depth=Mx3
3

4

5

6

8

10

12

16

20
Clear
Coarse Tapped [M]
2

2.6

3

4

5

6

8

10

12

16

20

24

30
Clear
Wrench Flats Position [SC](mm)
[0-990/1mm Unit(s)]
Clear
type
- HFRT
- PHFRT
- PSFHRT
- PSFHRTS
- PSFMRT
- PSFMRTS
- PSFRT
- PSFRTS
- SFHRT
- SFHRTS
- SFMRT
- SFMRTS
- SFRT
- SFRTS
- SSFHRT
- SSFHRTS
- SSFMRT
- SSFMRTS
- SSFRT
- SSFRTS
Clear
CAD
- 2D
- 3D
Clear