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Rotary Shafts - With keyways and internally threaded on one end. (Part Numbers)

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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 with One End Tapped and Key Grooves are available in 1045 Carbon Steel or Equivalent and 304 Stainless Steel, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 6mm - 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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Technical Information

Rotary Shafts - One End Tapped with Key Grooves:Related Image

・Materials

Type		D Tolerance	[ M ]Material	[ S ]Surface Treatment
①	NSFMKRT	h9 (Cold-drawn)	1045 Carbon Steel or Equivalent	-
	SFMKRT			Black Oxide
	PSFMKRT			Electroless Nickel Plating
	SSFMKRT		304 Stainless Steel	-
②	NSFHKRT	h7 (Ground)	1045 Carbon Steel or Equivalent	-
	SFHKRT			Black Oxide
	PSFHKRT			Electroless Nickel Plating
	SSFHKRT		304 Stainless Steel	-
③	NSFGKRT	g6 (Ground)	1045 Carbon Steel or Equivalent	-
	SFGKRT			Black Oxide
	PSFGKRT			Electroless Nickel Plating
	SSFGKRT		304 Stainless Steel	-

Specifications

	Part Number	-	L	-	M	-	Keyway ①			-	Keyway ②			-	Keyway ③

							KA	-	A		KB	-	B		KC	-	C
1 Keyway 2 Keyways 3 Keyways	SFMKRT10 SFHKRT30 SFGKRT25	- - -	325 300 350	- - -	M4 M10 M8	- - -	KA20 KA20 KA10	- - -	A50 A50 A60	- -	KB120 KB90	- -	B20 B30	-	KC210	-	C30

①h9 (Cold-drawn)

Part Number			L=0.1mm Increment	M (Coarse) Selection									Keyway ①	Keyway ②	Keyway ③
Type	D_h9												KA, A	KB, B	KC, C
Type		Tolerance											1mm Increment
NSFMKRT SFMKRT PSFMKRT SSFMKRT (D6 is not available for SSFMKRT.)	6	0 -0.030	15.0~400.0	(2.6) (3)	(4)								KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A b≤B≤100	KC+C≤L KC≥KB+B b≤C≤100
	8	0 -0.036	15.0~500.0	(2.6) (3)	(4)	(5)	(6)
	10	0 -0.036	15.0~600.0	3	4	(5)	(6)
	12	0 -0.043	15.0~700.0		4	5	(6)	(8)
	15	0 -0.043	15.0~800.0		4	5	6	(8)
	20	0 -0.052	30.0~1000.0		4	5	6	8	10
	25		50.0~1000.0		4	5	6	8	10	12
	30		60.0~1000.0				6	8	10	12	16
	35	0 -0.062	70.0~1000.0				6	8	10	12	16	20

[ ! ]M Sizes in ( ) is selectable when KA≥Mx2.
②h7 (Ground)

Part Number			L=0.1mm Increment	M (Coarse) Selection											Keyway ①	Keyway ②	Keyway ③
Type	D_h7														KA, A	KB, B	KC, C
Type		Tolerance													1mm Increment
NSFHKRT SFHKRT PSFHKRT SSFHKRT	6	0 -0.012	15.0~400.0	(2.6) (3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A b≤B≤100	KC+C≤L KC≥KB+B b≤C≤100
	8	0 -0.015	15.0~500.0	(2.6) (3)	(4)	(5)	(6)
	10	0 -0.015	15.0~600.0	3	4	(5)	(6)
	12	0 -0.018	15.0~700.0		4	5	(6)	(8)
	15		15.0~800.0		4	5	6	(8)
	17		30.0~900.0		4	5	6	(8)	(10)	(12)
	20	0 -0.021	30.0~1000.0		4	5	6	8	(10)	(12)	(16)
	25		50.0~1000.0		4	5	6	8	10	12	(16)
	30		60.0~1000.0				6	8	10	12	16
	35	0 -0.025	70.0~1000.0				6	8	10	12	16	20
	40		80.0~1000.0						10	12	16	20	24
	50		100.0~1000.0							12	16	20	24	30

[ ! ]M Sizes in ( ) is selectable when KA≥Mx2.
③g6 (Ground)

Part Number			L=0.1mm Increment	M (Coarse) Selection											Keyway ①	Keyway ②	Keyway ③
Type	D_g6														KA, A	KB, B	KC, C
Type		Tolerance													1mm Increment
NSFGKRT SFGKRT PSFGKRT SSFGKRT (D13, 16, 18 and 22 are not available for SSFGKRT.)	6	-0.004 -0.012	15.0~400.0	(2.6) (3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A b≤B≤100	KC+C≤L KC≥KB+B b≤C≤100
	8	-0.005 -0.014	15.0~500.0	(2.6) (3)	(4)	(5)	(6)
	10	-0.005 -0.014	15.0~600.0	3	4	(5)	(6)
	12	-0.006 -0.017	15.0~700.0		4	5	(6)	(8)
	13		15.0~700.0		4	5	6	(8)
	15		15.0~800.0		4	5	6	(8)
	16		15.0~900.0		4	5	6	8	(10)
	17		30.0~900.0		4	5	6	8	(10)	(12)
	18		30.0~900.0		4	5	6	8	(10)	(12)
	20	-0.007 -0.020	30.0~1000.0		4	5	6	8	10	(12)	(16)
	22		40.0~1000.0		4	5	6	8	10	12	(16)
	25		50.0~1000.0		4	5	6	8	10	12	(16)
	30		60.0~1000.0				6	8	10	12	16
	35	-0.009 -0.025	70.0~1000.0				6	8	10	12	16	20
	40		80.0~1000.0						10	12	16	20	24
	50		100.0~1000.0							12	16	20	24	30

[ ! ]M Sizes in ( ) is selectable when KA≥Mx2.

Alterations

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

Part Number

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Part Number
PSFGKRT6-[20-300/0.1]-M[3,4]-KA[0-298/1]-A[2-100/1]
PSFGKRT8-[20-400/0.1]-M[3,4,5,6]-KA[0-397/1]-A[3-100/1]
PSFGKRT10-[20-500/0.1]-M[4,5,6]-KA[0-497/1]-A[3-100/1]
PSFGKRT12-[30-600/0.1]-M[5,6,8]-KA[0-596/1]-A[4-100/1]
PSFGKRT13-[30-600/0.1]-M[5,6,8]-KA[0-595/1]-A[5-100/1]
PSFGKRT15-[30-700/0.1]-M[5,6,8,10]-KA[0-695/1]-A[5-100/1]
PSFGKRT16-[30-800/0.1]-M[5,6,8,10]-KA[0-795/1]-A[5-100/1]
PSFGKRT17-[30-800/0.1]-M[5,6,8,10,12]-KA[0-795/1]-A[5-100/1]
PSFGKRT18-[30-800/0.1]-M[5,6,8,10,12]-KA[0-794/1]-A[6-100/1]
PSFGKRT20-[40-800/0.1]-M[5,6,8,10,12,16]-KA[0-794/1]-A[6-100/1]
PSFGKRT22-[40-800/0.1]-M[5,6,8,10,12,16]-KA[0-794/1]-A[6-100/1]
PSFGKRT25-[50-800/0.1]-M[5,6,8,10,12,16]-KA[0-792/1]-A[8-100/1]
PSFGKRT30-[60-800/0.1]-M[8,10,12,16,20]-KA[0-792/1]-A[8-100/1]
PSFGKRT35-[70-800/0.1]-M[8,10,12,16,20,24]-KA[0-790/1]-A[10-100/1]
PSFGKRT40-[80-800/0.1]-M[12,16,20,24,30]-KA[0-788/1]-A[12-100/1]
PSFGKRT50-[100-800/0.1]-M[16,20,24,30]-KA[0-786/1]-A[14-100/1]
PSFHKRT6-[15-400/0.1]-M[2.6,3,4]-KA[0-400/0.1]-A[2-150/0.1]
PSFHKRT6-[15-400/0.1]-MD[2.6,3,4]-KA[0-400/0.1]-A[2-150/0.1]
PSFHKRT8-[15-500/0.1]-M[2.6,3,4,5,6]-KA[0-500/0.1]-A[3-150/0.1]
PSFHKRT8-[15-500/0.1]-MD[2.6,3,4,5,6]-KA[0-500/0.1]-A[3-150/0.1]
PSFHKRT10-[15-600/0.1]-M[3,4,5,6]-KA[0-600/0.1]-A[3-150/0.1]
PSFHKRT10-[15-600/0.1]-MD[3,4,5,6]-KA[0-600/0.1]-A[3-150/0.1]
PSFHKRT12-[15-700/0.1]-M[4,5,6,8]-KA[0-700/0.1]-A[4-150/0.1]
PSFHKRT12-[15-700/0.1]-MD[4,5,6,8]-KA[0-700/0.1]-A[4-150/0.1]
PSFHKRT15-[15-800/0.1]-M[4,5,6,8,10]-KA[0-800/0.1]-A[5-150/0.1]
PSFHKRT15-[15-800/0.1]-MD[4,5,6,8,10]-KA[0-800/0.1]-A[5-150/0.1]
PSFHKRT17-[30-900/0.1]-M[4,5,6,8,10,12]-KA[0-900/0.1]-A[5-150/0.1]
PSFHKRT17-[30-900/0.1]-MD[4,5,6,8,10,12]-KA[0-900/0.1]-A[5-150/0.1]
PSFHKRT20-[30-1000/0.1]-M[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[6-150/0.1]
PSFHKRT20-[30-1000/0.1]-MD[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[6-150/0.1]
PSFHKRT25-[50-1000/0.1]-M[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[8-150/0.1]
PSFHKRT25-[50-1000/0.1]-MD[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[8-150/0.1]
PSFHKRT30-[60-1000/0.1]-M[6,8,10,12,16,20]-KA[0-1000/0.1]-A[8-150/0.1]
PSFHKRT30-[60-1000/0.1]-MD[6,8,10,12,16,20]-KA[0-1000/0.1]-A[8-150/0.1]
PSFHKRT35-[70-1000/0.1]-M[6,8,10,12,16,20,24]-KA[0-1000/0.1]-A[10-150/0.1]
PSFHKRT35-[70-1000/0.1]-MD[6,8,10,12,16,20,24]-KA[0-1000/0.1]-A[10-150/0.1]
PSFHKRT40-[80-1000/0.1]-M[10,12,16,20,24,30]-KA[0-1000/0.1]-A[12-150/0.1]
PSFHKRT40-[80-1000/0.1]-MD[10,12,16,20,24,30]-KA[0-1000/0.1]-A[12-150/0.1]
PSFHKRT50-[100-1000/0.1]-M[12,16,20,24,30]-KA[0-1000/0.1]-A[14-150/0.1]
PSFHKRT50-[100-1000/0.1]-MD[12,16,20,24,30]-KA[0-1000/0.1]-A[14-150/0.1]
PSFMKRT6-[20-300/0.1]-M[3,4]-KA[0-298/1]-A[2-100/1]
PSFMKRT8-[20-400/0.1]-M[3,4,5,6]-KA[0-397/1]-A[3-100/1]
PSFMKRT10-[20-500/0.1]-M[4,5,6]-KA[0-497/1]-A[3-100/1]
PSFMKRT12-[30-600/0.1]-M[5,6,8]-KA[0-596/1]-A[4-100/1]
PSFMKRT15-[30-700/0.1]-M[5,6,8,10]-KA[0-695/1]-A[5-100/1]
PSFMKRT20-[40-800/0.1]-M[5,6,8,10,12,16]-KA[0-794/1]-A[6-100/1]
PSFMKRT25-[50-800/0.1]-M[5,6,8,10,12,16]-KA[0-792/1]-A[8-100/1]
PSFMKRT30-[60-800/0.1]-M[8,10,12,16,20]-KA[0-792/1]-A[8-100/1]
PSFMKRT35-[70-800/0.1]-M[8,10,12,16,20,24]-KA[0-790/1]-A[10-100/1]
SFGKRT6-[20-300/0.1]-M[3,4]-KA[0-298/1]-A[2-100/1]
SFGKRT8-[20-400/0.1]-M[3,4,5,6]-KA[0-397/1]-A[3-100/1]
SFGKRT10-[20-500/0.1]-M[4,5,6]-KA[0-497/1]-A[3-100/1]
SFGKRT12-[30-600/0.1]-M[5,6,8]-KA[0-596/1]-A[4-100/1]
SFGKRT13-[30-600/0.1]-M[5,6,8]-KA[0-595/1]-A[5-100/1]
SFGKRT15-[30-700/0.1]-M[5,6,8,10]-KA[0-695/1]-A[5-100/1]
SFGKRT16-[30-800/0.1]-M[5,6,8,10]-KA[0-795/1]-A[5-100/1]
SFGKRT17-[30-800/0.1]-M[5,6,8,10,12]-KA[0-795/1]-A[5-100/1]
SFGKRT18-[30-800/0.1]-M[5,6,8,10,12]-KA[0-794/1]-A[6-100/1]
SFGKRT20-[40-800/0.1]-M[5,6,8,10,12,16]-KA[0-794/1]-A[6-100/1]
SFGKRT22-[40-800/0.1]-M[5,6,8,10,12,16]-KA[0-794/1]-A[6-100/1]
SFGKRT25-[50-800/0.1]-M[5,6,8,10,12,16]-KA[0-792/1]-A[8-100/1]
SFGKRT30-[60-800/0.1]-M[8,10,12,16,20]-KA[0-792/1]-A[8-100/1]
SFGKRT35-[70-800/0.1]-M[8,10,12,16,20,24]-KA[0-790/1]-A[10-100/1]
SFGKRT40-[80-800/0.1]-M[12,16,20,24,30]-KA[0-788/1]-A[12-100/1]
SFGKRT50-[100-800/0.1]-M[16,20,24,30]-KA[0-786/1]-A[14-100/1]
SFHKRT6-[15-400/0.1]-M[2.6,3,4]-KA[0-400/0.1]-A[2-150/0.1]
SFHKRT6-[15-400/0.1]-MD[2.6,3,4]-KA[0-400/0.1]-A[2-150/0.1]
SFHKRT8-[15-500/0.1]-M[2.6,3,4,5,6]-KA[0-500/0.1]-A[3-150/0.1]
SFHKRT8-[15-500/0.1]-MD[2.6,3,4,5,6]-KA[0-500/0.1]-A[3-150/0.1]
SFHKRT10-[15-600/0.1]-M[3,4,5,6]-KA[0-600/0.1]-A[3-150/0.1]
SFHKRT10-[15-600/0.1]-MD[3,4,5,6]-KA[0-600/0.1]-A[3-150/0.1]
SFHKRT12-[15-700/0.1]-M[4,5,6,8]-KA[0-700/0.1]-A[4-150/0.1]
SFHKRT12-[15-700/0.1]-MD[4,5,6,8]-KA[0-700/0.1]-A[4-150/0.1]
SFHKRT15-[15-800/0.1]-M[4,5,6,8,10]-KA[0-800/0.1]-A[5-150/0.1]
SFHKRT15-[15-800/0.1]-MD[4,5,6,8,10]-KA[0-800/0.1]-A[5-150/0.1]
SFHKRT17-[30-900/0.1]-M[4,5,6,8,10,12]-KA[0-900/0.1]-A[5-150/0.1]
SFHKRT17-[30-900/0.1]-MD[4,5,6,8,10,12]-KA[0-900/0.1]-A[5-150/0.1]
SFHKRT20-[30-1000/0.1]-M[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[6-150/0.1]
SFHKRT20-[30-1000/0.1]-MD[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[6-150/0.1]
SFHKRT25-[50-1000/0.1]-M[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[8-150/0.1]
SFHKRT25-[50-1000/0.1]-MD[4,5,6,8,10,12,16]-KA[0-1000/0.1]-A[8-150/0.1]
SFHKRT30-[60-1000/0.1]-M[6,8,10,12,16,20]-KA[0-1000/0.1]-A[8-150/0.1]
SFHKRT30-[60-1000/0.1]-MD[6,8,10,12,16,20]-KA[0-1000/0.1]-A[8-150/0.1]
SFHKRT35-[70-1000/0.1]-M[6,8,10,12,16,20,24]-KA[0-1000/0.1]-A[10-150/0.1]
SFHKRT35-[70-1000/0.1]-MD[6,8,10,12,16,20,24]-KA[0-1000/0.1]-A[10-150/0.1]
SFHKRT40-[80-1000/0.1]-M[10,12,16,20,24,30]-KA[0-1000/0.1]-A[12-150/0.1]
SFHKRT40-[80-1000/0.1]-MD[10,12,16,20,24,30]-KA[0-1000/0.1]-A[12-150/0.1]
SFHKRT50-[100-1000/0.1]-M[12,16,20,24,30]-KA[0-1000/0.1]-A[14-150/0.1]
SFHKRT50-[100-1000/0.1]-MD[12,16,20,24,30]-KA[0-1000/0.1]-A[14-150/0.1]
SFMKRT6-[20-300/0.1]-M[3,4]-KA[0-298/1]-A[2-100/1]

Minimum order quantity	Days to Ship	RoHS	Shaft Dia. D (mm)	Material	Surface Finish	Shaft Dia. Tolerance (Metric Only)	Length L (mm)	A (mm)	Coarse Tapped [MD] Depth=Mx3	Coarse Tapped [M]	Keyway (1) [KA] (mm)
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	20 ～ 300	2 ～ 100	-	3 ～ 4	0 ～ 298
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	20 ～ 400	3 ～ 100	-	3 ～ 6	0 ～ 397
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	20 ～ 500	3 ～ 100	-	4 ～ 6	0 ～ 497
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	30 ～ 600	4 ～ 100	-	5 ～ 8	0 ～ 596
1 Piece(s)	9 Days or more	10	13	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	30 ～ 600	5 ～ 100	-	5 ～ 8	0 ～ 595
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	30 ～ 700	5 ～ 100	-	5 ～ 10	0 ～ 695
1 Piece(s)	9 Days or more	10	16	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	30 ～ 800	5 ～ 100	-	5 ～ 10	0 ～ 795
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	30 ～ 800	5 ～ 100	-	5 ～ 12	0 ～ 795
1 Piece(s)	9 Days or more	10	18	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	30 ～ 800	6 ～ 100	-	5 ～ 12	0 ～ 794
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	40 ～ 800	6 ～ 100	-	5 ～ 16	0 ～ 794
1 Piece(s)	9 Days or more	10	22	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	40 ～ 800	6 ～ 100	-	5 ～ 16	0 ～ 794
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	50 ～ 800	8 ～ 100	-	5 ～ 16	0 ～ 792
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	60 ～ 800	8 ～ 100	-	8 ～ 20	0 ～ 792
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	70 ～ 800	10 ～ 100	-	8 ～ 24	0 ～ 790
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	80 ～ 800	12 ～ 100	-	12 ～ 30	0 ～ 788
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	g6 (Ground)	100 ～ 800	14 ～ 100	-	16 ～ 30	0 ～ 786
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 400	2 ～ 150	-	2.6 ～ 4	0 ～ 400
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 400	2 ～ 150	2.6 ～ 4	-	0 ～ 400
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 500	3 ～ 150	-	2.6 ～ 6	0 ～ 500
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 500	3 ～ 150	2.6 ～ 6	-	0 ～ 500
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 600	3 ～ 150	-	3 ～ 6	0 ～ 600
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 600	3 ～ 150	3 ～ 6	-	0 ～ 600
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 700	4 ～ 150	-	4 ～ 8	0 ～ 700
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 700	4 ～ 150	4 ～ 8	-	0 ～ 700
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 800	5 ～ 150	-	4 ～ 10	0 ～ 800
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	15 ～ 800	5 ～ 150	4 ～ 10	-	0 ～ 800
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	30 ～ 900	5 ～ 150	-	4 ～ 12	0 ～ 900
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	30 ～ 900	5 ～ 150	4 ～ 12	-	0 ～ 900
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	30 ～ 1000	6 ～ 150	-	4 ～ 16	0 ～ 1000
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	30 ～ 1000	6 ～ 150	4 ～ 16	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	50 ～ 1000	8 ～ 150	-	4 ～ 16	0 ～ 1000
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	50 ～ 1000	8 ～ 150	4 ～ 16	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	60 ～ 1000	8 ～ 150	-	6 ～ 20	0 ～ 1000
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	60 ～ 1000	8 ～ 150	6 ～ 20	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	70 ～ 1000	10 ～ 150	-	6 ～ 24	0 ～ 1000
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	70 ～ 1000	10 ～ 150	6 ～ 24	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	80 ～ 1000	12 ～ 150	-	10 ～ 30	0 ～ 1000
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	80 ～ 1000	12 ～ 150	10 ～ 30	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	100 ～ 1000	14 ～ 150	-	12 ～ 30	0 ～ 1000
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	100 ～ 1000	14 ～ 150	12 ～ 30	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	20 ～ 300	2 ～ 100	-	3 ～ 4	0 ～ 298
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	20 ～ 400	3 ～ 100	-	3 ～ 6	0 ～ 397
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	20 ～ 500	3 ～ 100	-	4 ～ 6	0 ～ 497
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	30 ～ 600	4 ～ 100	-	5 ～ 8	0 ～ 596
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	30 ～ 700	5 ～ 100	-	5 ～ 10	0 ～ 695
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	40 ～ 800	6 ～ 100	-	5 ～ 16	0 ～ 794
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	50 ～ 800	8 ～ 100	-	5 ～ 16	0 ～ 792
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	60 ～ 800	8 ～ 100	-	8 ～ 20	0 ～ 792
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h9 (Cold-drawn)	70 ～ 800	10 ～ 100	-	8 ～ 24	0 ～ 790
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	20 ～ 300	2 ～ 100	-	3 ～ 4	0 ～ 298
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	20 ～ 400	3 ～ 100	-	3 ～ 6	0 ～ 397
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	20 ～ 500	3 ～ 100	-	4 ～ 6	0 ～ 497
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	30 ～ 600	4 ～ 100	-	5 ～ 8	0 ～ 596
1 Piece(s)	9 Days or more	10	13	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	30 ～ 600	5 ～ 100	-	5 ～ 8	0 ～ 595
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	30 ～ 700	5 ～ 100	-	5 ～ 10	0 ～ 695
1 Piece(s)	9 Days or more	10	16	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	30 ～ 800	5 ～ 100	-	5 ～ 10	0 ～ 795
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	30 ～ 800	5 ～ 100	-	5 ～ 12	0 ～ 795
1 Piece(s)	9 Days or more	10	18	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	30 ～ 800	6 ～ 100	-	5 ～ 12	0 ～ 794
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	40 ～ 800	6 ～ 100	-	5 ～ 16	0 ～ 794
1 Piece(s)	9 Days or more	10	22	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	40 ～ 800	6 ～ 100	-	5 ～ 16	0 ～ 794
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	50 ～ 800	8 ～ 100	-	5 ～ 16	0 ～ 792
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	60 ～ 800	8 ～ 100	-	8 ～ 20	0 ～ 792
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	70 ～ 800	10 ～ 100	-	8 ～ 24	0 ～ 790
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	80 ～ 800	12 ～ 100	-	12 ～ 30	0 ～ 788
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	g6 (Ground)	100 ～ 800	14 ～ 100	-	16 ～ 30	0 ～ 786
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 400	2 ～ 150	-	2.6 ～ 4	0 ～ 400
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 400	2 ～ 150	2.6 ～ 4	-	0 ～ 400
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 500	3 ～ 150	-	2.6 ～ 6	0 ～ 500
1 Piece(s)	9 Days or more	10	8	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 500	3 ～ 150	2.6 ～ 6	-	0 ～ 500
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 600	3 ～ 150	-	3 ～ 6	0 ～ 600
1 Piece(s)	9 Days or more	10	10	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 600	3 ～ 150	3 ～ 6	-	0 ～ 600
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 700	4 ～ 150	-	4 ～ 8	0 ～ 700
1 Piece(s)	9 Days or more	10	12	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 700	4 ～ 150	4 ～ 8	-	0 ～ 700
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 800	5 ～ 150	-	4 ～ 10	0 ～ 800
1 Piece(s)	9 Days or more	10	15	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	15 ～ 800	5 ～ 150	4 ～ 10	-	0 ～ 800
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	30 ～ 900	5 ～ 150	-	4 ～ 12	0 ～ 900
1 Piece(s)	9 Days or more	10	17	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	30 ～ 900	5 ～ 150	4 ～ 12	-	0 ～ 900
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	30 ～ 1000	6 ～ 150	-	4 ～ 16	0 ～ 1000
1 Piece(s)	9 Days or more	10	20	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	30 ～ 1000	6 ～ 150	4 ～ 16	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	50 ～ 1000	8 ～ 150	-	4 ～ 16	0 ～ 1000
1 Piece(s)	9 Days or more	10	25	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	50 ～ 1000	8 ～ 150	4 ～ 16	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	60 ～ 1000	8 ～ 150	-	6 ～ 20	0 ～ 1000
1 Piece(s)	9 Days or more	10	30	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	60 ～ 1000	8 ～ 150	6 ～ 20	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	70 ～ 1000	10 ～ 150	-	6 ～ 24	0 ～ 1000
1 Piece(s)	9 Days or more	10	35	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	70 ～ 1000	10 ～ 150	6 ～ 24	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	80 ～ 1000	12 ～ 150	-	10 ～ 30	0 ～ 1000
1 Piece(s)	9 Days or more	10	40	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	80 ～ 1000	12 ～ 150	10 ～ 30	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	100 ～ 1000	14 ～ 150	-	12 ～ 30	0 ～ 1000
1 Piece(s)	9 Days or more	10	50	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h7 (Ground)	100 ～ 1000	14 ～ 150	12 ～ 30	-	0 ～ 1000
1 Piece(s)	9 Days or more	10	6	[Steel] 1045 Carbon Steel or Equivalent	Black Oxide	h9 (Cold-drawn)	20 ～ 300	2 ～ 100	-	3 ～ 4	0 ～ 298

More Information

Number of keyways can be specified up to 3.

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
Heat Treatment	Not Hardened	Keyway	With Keyway

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146 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
Material
- Steel
  - 1045 Carbon Steel or Equivalent
- 304 Stainless Steel
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
A(mm)
[2-150/0.1mm Unit(s)][2-100/1mm Unit(s)]
Clear
Coarse Tapped [MD] Depth=Mx3
2.6

3

4

5

6

8

10

12

16

20

24

30
Clear
Coarse Tapped [M]
2.6

3

4

5

6

8

10

12

16

20

24

30
Clear
Keyway (1) [KA](mm)
[0-1000/0.1mm Unit(s)][0-795/1mm Unit(s)]
Clear
type
- PSFGKRT
- PSFHKRT
- PSFMKRT
- SFGKRT
- SFHKRT
- SFMKRT
- SSFGKRT
- SSFHKRT
- SSFMKRT
Clear
CAD
- 2D
- 3D
Clear