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NK Series

THREAD SIZE PART NUMBER GRIP RANGE A B C D M HOLE SIZE Min. Max. ±.015 Min. Max. ±.003 Max. Ref. +.004/-.000 # 6 -32 UNC NKS-632-80 .020 .080 .420 .300 .320 .019 .265 .305 .266 # 6 -32 UNC NKS-632-130 .080 .130 .470 .300 .320 .019 .265 .305 .266 # 8 -32 UNC NKS-832-80 .020 .080 .420 .300 .320 .019 .265 .305 .266 # 8 -32 UNC NKS-832-130 .080 .130 .470 .300 .320 .019 .265 .305 .266 #10 -24 UNC NKS-1024-130 .020 .130 .475 .330 .350 .019 .296 .315 .297 #10 -24 UNC NKS-1024-225 .130 .225 .585 .330 .350 .019 .296 .315 .297 #10 -32 UNF NKS-1032-130 .020 .130 .475 .330 .350 .019 .296 .315 .297 #10 -32 UNF NKS-1032-225 .130 .225 .585 .330 .350 .019 .296 .315 .297 1/4 -20 UNC NKS-420-165 .027 .165 .580 .445 .465 .022 .390 .380 .391 1/4 -20 UNC NKS-420-260 .165 .260 .680 .445 .465 .022 .390 .380 .391 1/4 -28 UNF NKS-428-165 .027 .165 .580 .445 .465 .022 .390 .380 .391 1/4 -28 UNF NKS-428-260 .165 .260 .680 .445 .465 .022 .390 .380 .391 5/16-18 UNC NKS-518-150 .027 .150 .690 .581 .609 .022 .530 .470 .531 5/16-18 UNC NKS-518-312 .150 .312 .805 .581 .609 .022 .530 .425 .531 5/16-24 UNF NKS-524-150 .027 .150 .690 .581 .609 .022 .530 .470 .531 5/16-24 UNF NKS-524-312 .150 .312 .805 .581 .609 .022 .530 .425 .531 3/8 -16 UNC NKS-616-150 .027 .150 .690 .581 .609 .022 .530 .470 .531 3/8 -16 UNC NKS-616-312 .150 .312 .805 .581 .609 .022 .530 .425 .531 3/8 -24 UNF NKS-624-150 .027 .150 .690 .581 .609 .022 .530 .470 .531 3/8 -24 UNF NKS-624-312 .150 .312 .805 .581 .609 .022 .530 .425 .531 THREAD SIZE PART NUMBER GRIP RANGE A B C D M HOLE SIZE Min. Max. ±0.38 Min. Max. ±0.08 Max. Ref. +0.10/-0.00 M4 X0.7 NKS-470-2.0 0.50 2.00 10.67 7.62 8.12 0.48 6.73 7.75 6.75 M4 X0.7 NKS-470-3.3 2.00 3.30 11.94 7.62 8.12 0.48 6.73 7.75 6.75 M5 X0.8 NKS-580-3.3 0.50 3.30 12.07 8.39 8.89 0.48 7.52 8.00 7.60 M5 X0.8 NKS-580-5.7 3.30 5.70 14.86 8.39 8.89 0.48 7.52 8.00 7.60 M6 X1.0 NKS-610-4.2 0.70 4.20 14.73 11.31 11.81 0.55 9.91 9.65 10.00 M6 X1.0 NKS-610-6.6 4.20 6.60 17.27 11.31 11.81 0.55 9.91 9.65 10.00 M8 X1.25 NKS-8125-3.8 0.70 3.80 17.53 14.79 15.46 0.55 13.46 11.94 13.50 M8 X1.25 NKS-8125-7.9 3.80 7.90 20.45 14.79 15.46 0.55 13.46 10.80 13.50 M10X1.5 NKS-1015-3.8 0.70 3.80 17.53 14.79 15.46 0.55 13.46 11.94 13.50 M10X1.5 NKS-1015-7.9 3.80 7.90 20.45 14.79 15.46 0.55 13.46 10.80 13.50