Screw size control table for hex wrenches in the Inch system

Screw size control table for hex wrenches in the Inch system


inch
screw specification
Hex socket cap screw
hex socket flat head
hex socket button head
Shoulder screw
0.028
0#
0.035
0#
0#
1#, 2#
0.05
0#
1#, 2#
1#, 2#
3#, 4#
1/16
1#
3#, 4#
3#, 4#
5#, 6#, (1/8)
5/64
2#, 3#
5#, 6#
5#, 6#
8#, (5/32)
3/32
4#, 5#, (1/8)
8#
8#
10#, (3/16)
7/64
6#
1/8
(5/32)
10#, (3/16)
10#, (3/16)
1/4, (1/4)
1/4
9/64
8#
5/32
10#, (3/16)
1/4, (1/4)
1/4, (1/4)
5/16, (5/16)
5/16
3/16
1/4, (1/4)
5/16, (5/16)
5/16, (5/16)
3/8, (3/8)
3/8
7/32
5/16, (5/16)
3/8, (3/8)
3/8, (3/8)
7/16
1/4
7/16, (7/16)
7/16, (7/16)
1/2, (1/2)
1/2
5/16
3/8, (3/8, 7/16)
1/2, (1/2)
1/2, (1/2)
5/8
5/8
3/8
7/16, 1/2, (1/2)
5/8, (5/8)
5/8, (5/8)
3/4
3/4
7/16
1/2
5/8, (5/8)
3/4
7/8
1
9/16
3/4, (3/4, 7/8)
7/8
1, 11/8
5/8
(1)
1
11/4, 13/8