Standard BS 2470 4
Hexagon socket button head screws with ISO inch (U...

Dimensions in inches - source BS 2470 Table 4 Hexagon socket button head screws with ISO inch (Unified) threads Publication date: 07/1973 | ||||||||||
d basic thread size | Nr of threads x inch | dk max | dk min | k max | k min | b | t min | s | ||
inches | mm | UNC | ||||||||
0 (0.06) | ||||||||||
1 (0.073) | ||||||||||
2 (0.086) | ||||||||||
3 (0.099) | ||||||||||
4 (0.1129 | ||||||||||
5 (0.125) | ||||||||||
6 (0.138) | ||||||||||
8 (0.164) | ||||||||||
10 (0.19) | ||||||||||
1/4 | ||||||||||
5/16 | ||||||||||
3/8 | ||||||||||
1/2 | ||||||||||
5/8 |