BS 325 - 1947 Black Cup Aquare Neck Bolts


Unit: inch
Screw Thread
d
1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1
PP BSW
dk
k
k1
20 18 16 14 12 11 10 9 8
0.562 0.703 0.844 0.984 1.125 1.406 1.688 1.969 2.25
0.125 0.156 0.188 0.25 0.281 0.375 0.438 0.5 0.562
0.188 0.234 0.281 0.328 0.375 0.469 0.562 0.656 0.75
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