"D"

4-40

.250

.175

.142

6-32

.250

.200

.168

8-32

.250

.220

.194

10-24

.250

.250

.220

10-32

.250

.250

.220

1/4-20

.375

.315

.342

5/16-18

.500

.375

.342

3/8-16

.500

.480

.440

Standard material - mild steel, stainless steel, aluminum, and brass. Mild steel studs are copper coated; nickel plating available.Metric sizes available in diameters M2.5 - M10.