UNC Torx Socket Countersunk Screw Grade-12.9 B18.3
D | d max | d min | dk min | k ref | t ref | y min |
---|---|---|---|---|---|---|
No.4 | 0.1120 | 0.1075 | 0.2180 | 0.0830 | TX-9 | 0.0550 |
No.5 | 0.1250 | 0.1202 | 0.2400 | 0.0900 | TX-10 | 0.0360 |
No.6 | 0.1380 | 0.1329 | 0.2630 | 0.0970 | TX-15 | 0.0660 |
No.8 | 0.1640 | 0.1585 | 0.3110 | 0.1120 | TX-20 | 0.0760 |
No.10 | 0.1900 | 0.1840 | 0.3590 | 0.1270 | TX-25 | 0.0870 |
1/4" | 0.2500 | 0.2435 | 0.4800 | 0.1610 | TX-30 | 0.1110 |
5/16" | 0.3125 | 0.3053 | 0.6000 | 0.1980 | TX-40 | 0.1350 |
3/8" | 0.3750 | 0.3678 | 0.7200 | 0.2340 | TX-45 | 0.1590 |
7/16" | 0.4375 | 0.4294 | 0.7810 | 0.2340 | TX-50 | 0.1590 |
1/2" | 0.5000 | 0.4919 | 0.8720 | 0.2510 | TX-50 | 0.1720 |
5/8" | 0.6250 | 0.6163 | 1.1120 | 0.3240 | TX-55 | 0.2200 |
3/4" | 0.7500 | 0.7406 | 1.3550 | 0.3960 | TX-60 | 0.2200 |