BS 916 - 1953 Square bolts faced under head, and faced under head and turned on shank with B.S.Threads - Black [Table 2]


Unit: inch
Thread Size
d
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4 (1-3/8) 1-1/2 (1-5/8)
PP No. of Threads/Inch BSW
BSF
ds faced under head max
faced under head and turned on shank max
min
s max
min
e max
r max
k max
min
20 18 16 14 12 12 11 10 9 8 7 7 6 6 5
26 22 20 18 16 16 14 12 11 10 9 9 8 8 8
0.280 0.342 0.405 0.468 0.530 0.592 0.665 0.790 0.915 1.040 1.175 1.300 1.425 1.550 1.685
0.2500 0.3125 0.3750 0.4375 0.5000 0.5625 0.625 0.750 0.875 1.000 1.125 1.250 1.375 1.500 1.625
0.2465 0.3090 0.3715 0.4335 0.4960 0.5585 0.619 0.744 0.867 0.992 1.117 1.242 1.365 1.490 1.615
0.445 0.525 0.600 0.710 0.820 0.920 1.010 1.200 1.300 1.480 1.670 1.860 2.050 2.220 2.410
0.435 0.515 0.585 0.695 0.800 0.900 0.985 1.175 1.270 1.450 1.640 1.815 2.005 2.175 2.365
0.63 0.74 0.85 1.00 1.16 1.30 1.43 1.70 1.84 2.09 2.36 2.63 2.90 3.14 3.41
1/32 1/32 1/32 1/32 1/32 1/32 1/32 1/32 1/32 1/32 3/64 3/64 3/64 3/64 3/64
0.176 0.218 0.260 0.302 0.343 0.375 0.417 0.500 0.583 0.666 0.75 0.83 0.92 1.00 1.08
0.156 0.198 0.240 0.282 0.323 0.345 0.387 0.470 0.553 0.636 0.71 0.79 0.88 0.96 1.02
Thread Size
d
1-3/4 2 2-1/4 2-1/2 2-3/4 3 (3-1/4) 3-1/2 (3-3/4) 4 4-1/2 5 5-1/2 6
PP No. of Threads/Inch BSW
BSF
ds faced under head max
faced under head and turned on shank max
min
s max
min
e max
r max
k max
min
5 4.5 4 4 3.5 3.5 3.25 3.25 3 3 2.875 2.75 2.625 2.5
7 7 6 6 6 5 5 4.5 4.5 4.5 4 4 4 4
1.810 2.060 / / / / / / / / / / / /
1.750 2.000 2.250 2.500 2.750 3.000 3.250 3.500 3.750 4.000 4.500 5.000 5.500 6.000
1.740 1.990 2.240 2.490 2.740 2.990 3.235 3.485 3.735 3.980 4.480 4.980 5.480 5.980
2.580 2.760 3.150 3.550 3.890 4.180 4.530 4.850 5.180 5.550 6.380 7.300 8.350 9.450
2.520 2.700 3.090 3.490 3.830 4.080 4.430 4.750 5.080 5.450 6.255 7.175 8.225 9.325
3.65 3.90 4.45 5.02 5.50 5.91 6.41 6.86 7.33 7.85 9.02 10.32 11.81 13.36
3/64 3/64 1/16 1/16 1/16 1/16 3/32 3/32 3/32 3/32 1/8 1/8 1/8 1/8
1.17 1.33 1.50 1.67 1.83 2.00 2.17 2.33 2.50 2.67 3.00 3.33 3.67 4.00
1.11 1.27 1.42 1.59 1.75 1.90 2.07 2.23 2.40 2.57 2.85 3.18 3.52 3.85
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