公母螺絲 (文具釘)
Male Screw
HD
HT
D
M
L
.394
.078
.035
8-32 THREAD
3/16,5/16,3/8
Female Post
.197
1/4 to 3-3/4
Extended Screw
M1
L1
S
1/2,1
0.2
.433
Through Hollow Post
.055
1/8, 1/4,1/2