BSW Whitworth Socket Countersunk Screw Grade-X(12.9) BS2470
D | d max | dk max | dk min | k nom | s nom | t min |
---|---|---|---|---|---|---|
3/16” | 0.1875 | 0.3560 | 0.3140 | 0.0870 | 3/32” | 0.0620 |
1/4” | 0.2500 | 0.4750 | 0.4200 | 0.1160 | 5/32” | 0.0790 |
5/16” | 0.3125 | 0.5940 | 0.5270 | 0.1460 | 3/16” | 0.0990 |
3/8” | 0.3750 | 0.7120 | 0.6350 | 0.1740 | 7/32” | 0.1130 |
7/16” | 0.4375 | 0.8310 | 0.7420 | 0.2040 | 1/4” | 0.1380 |
1/2” | 0.5000 | 0.9500 | 0.8700 | 0.2330 | 5/16” | 0.1620 |
5/8” | 0.6250 | 1.1870 | 1.0640 | 0.2910 | 3/8” | 0.2260 |
3/4” | 0.7500 | 1.4250 | 1.2800 | 0.3490 | 3/8” | 0.2670 |
7/8” | 0.8750 | 1.6620 | 1.5260 | 0.4070 | 1/2” | 0.3350 |
1” | 1.0000 | 1.9000 | 1.7450 | 0.4660 | 9/16” | 0.3940 |