Rotary axes / double-sided internal thread / keyway / machining selectable

h9 (Cold-drawn)

Part Number			L 0.1mm Increment	M (Coarse) / N (Coarse) Selection											Keyway	Keyway	Keyway
Type	Dh9														KA, A	KB, B	KC, C
		Tolerance													1mm Increment
SFMKRW PSFMKRW SSFMKRW (D6 is not available for SSFMKRW.)	6	0 -0.030	20.0~300.0	(3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A+2 b≤B≤100	KC+C≤L KC≥KB+B+2 b≤C≤100
	8	0 -0.036	20.0~400.0	(3)	(4)	(5)	(6)
	10		20.0~500.0		4	(5)	(6)
	12	0 -0.043	30.0~600.0			5	(6)	(8)
	15		30.0~700.0			5	6	(8)
	20	0 -0.052	40.0~800.0			5	6	8	10
	25		50.0~800.0			5	6	8	10	12
	30		60.0~800.0					8	10	12	16
	35	0 -0.062	70.0~800.0					8	10	12	16	20

M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
h7 (Ground)

Part Number			L 0.1mm Increment	M (Coarse) / N (Coarse) Selection											Keyway	Keyway	Keyway
Type	Dh7														KA, A	KB, B	KC, C
		Tolerance													1mm Increment
SFHKRW PSFHKRW SSFHKRW	6	0 -0.012	20.0~300.0	(3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A+2 b≤B≤100	KC+C≤L KC≥KB+B+2 b≤C≤100
	8	0 -0.015	20.0~400.0	(3)	(4)	(5)	(6)
	10		20.0~500.0		4	(5)	(6)
	12	0 -0.018	30.0~600.0			5	(6)	(8)
	15		30.0~700.0			5	6	(8)
	17		40.0~800.0			5	6	8	(10)	(12)
	20	0 -0.021	40.0~800.0			5	6	8	(10)	(12)	(16)
	25		50.0~800.0			5	6	8	10	12	(16)
	30		60.0~800.0					8	10	12	16
	35	0 -0.025	70.0~800.0					8	10	12	16	20
	40		80.0~800.0							12	16	20	24
	50		100.0~800.0								16	20	24	30

M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
g6 (Ground)

Part Number			L 0.1mm Increment	M (Coarse) / N (Coarse) Selection											Keyway	Keyway	Keyway
Type	Dg6														KA, A	KB, B	KC, C
		Tolerance													1mm Increment
SFGKRW PSFGKRW SSFGKRW (D13, 16, 18 and 22 are not available for SSFGKRW.)	6	-0.004 -0.012	20.0~300.0	(3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A+2 b≤B≤100	KC+C≤L KC≥KB+B+2 b≤C≤100
	8	-0.005 -0.014	20.0~400.0	(3)	(4)	(5)	(6)
	10		20.0~500.0		4	(5)	(6)
	12	-0.006 -0.017	30.0~600.0			5	(6)	(8)
	13		30.0~600.0			5	6	(8)
	15		30.0~700.0			5	6	(8)
	16		30.0~800.0			5	6	8	(10)
	17		40.0~800.0			5	6	8	(10)	(12)
	18		40.0~800.0			5	6	8	(10)	(12)
	20	-0.007 -0.020	40.0~800.0			5	6	8	10	(12)	(16)
	22		40.0~800.0			5	6	8	10	12	(16)
	25		50.0~800.0			5	6	8	10	12	(16)
	30		60.0~800.0					8	10	12	16
	35	-0.009 -0.025	70.0~800.0					8	10	12	16	20
	40		80.0~800.0							12	16	20	24
	50		100.0~800.0								16	20	24	30

M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.