Socket head screw 1/4-20 X 1/2 UNC black oxide

Technical Information

Measurement System

Imperial

Thread Type

UNC (coarse)

Diameter - Thread Size

1/4-20

Length Under Head

1/2 in

Drive Type

Female hex (socket)

Material

Steel

Finish

Black oxide

Type

Fully threaded

Head Type

Socket

Tensile Strength

180 000 PSI

ASME Specification

B18.3

Head Size

0.375 in W X 0.250 in H

Key Size

3/16 in

Hardness

Rockwell C39