Socket head screw 7/8-9 X 4-1/2 UNC black oxide

Technical Information

Measurement System

Imperial

Thread Type

UNC (coarse)

Diameter - Thread Size

7/8-9

Length Under Head

4-1/2 in

Drive Type

Female hex (socket)

Material

Steel

Finish

Black oxide

Type

Partially threaded

Head Type

Socket

Tensile Strength

170 000 PSI

ASME Specification

B18.3

Head Size

1.312 in W X 0.875 in H

Minimum Thread Length

2-1/4 in

Key Size

3/4 in

Hardness

Rockwell C37