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NR Series

THREAD SIZE PART NUMBER Radial Mark GRIP RANGE A B C D M HOLE SIZE Min. Max. ±.015 Min. Max. ±.004 Max. Ref. +.004 /-.000 # 6 -32 UNC NRS-632-75 1 Rad. .010 .075 .438 .310 .340 .032 .189 .300 .189 # 6 -32 UNC NRS-632-120 3 Rad. .075 .120 .500 .310 .340 .032 .189 .315 .189 # 6 -32 UNC NRS-632-160 5 Rad. .120 .160 .500 .310 .340 .032 .189 .270 .189 # 8 -32 UNC NRS-832-75 1 Rad. .010 .075 .438 .342 .372 .032 .221 .300 .221 # 8 -32 UNC NRS-832-120 3 Rad. .075 .120 .500 .342 .372 .032 .221 .315 .221 # 8 -32 UNC NRS-832-160 5 Rad. .120 .160 .500 .342 .372 .032 .221 .270 .221 #10 -32 UNF NRS-1032-80 Blank .010 .080 .531 .391 .421 .038 .250 .380 .250 #10 -32 UNF NRS-1032-130 1 Rad. .080 .130 .594 .391 .421 .038 .250 .390 .250 #10 -32 UNF NRS-1032-180 2 Rad. .130 .180 .641 .391 .421 .038 .250 .390 .250 1/4 -20 UNC NRS-420-80 Blank .020 .080 .625 .460 .490 .058 .332 .450 .332 1/4 -20 UNC NRS-420-140 1 Rad. .080 .140 .687 .460 .490 .058 .332 .450 .332 1/4 -20 UNC NRS-420-200 2 Rad. .140 .200 .750 .460 .490 .058 .332 .450 .332 1/4 -20 UNC NRS-420-260 3 Rad. .165 .260 .812 .460 .490 .058 .332 .450 .332 5/16-18 UNC NRS-518-125 Blank .030 .125 .750 .650 .680 .062 .413 .505 .413 5/16-18 UNC NRS-518-200 1 Rad. .125 .200 .875 .650 .680 .062 .413 .555 .413 5/16-18 UNC NRS-518-275 2 Rad. .200 .275 .937 .650 .680 .062 .413 .540 .413 3/8 -16 UNC NRS-616-115 Blank .030 .115 .844 .766 .796 .088 .490 .585 .490 3/8 -16 UNC NRS-616-200 1 Rad. .115 .200 .938 .766 .796 .088 .490 .595 .490 3/8 -16 UNC NRS-616-285 2 Rad. .200 .285 1.031 .766 .796 .088 .490 .605 .490 1/2 -13 UNC NRS-813-150 Blank .050 .150 .906 .886 .926 .085 .625 .605 .625 1/2 -13 UNC NRS-813-250 1 Rad. .150 .250 1.031 .886 .926 .085 .625 .630 .625 1/2 -13 UNC NRS-813-350 2 Rad. .250 .350 1.141 .886 .926 .085 .625 .640 .625