Flat head hex drive screw M8 X 1.25 X 40mm UNC DIN 7991 black oxide

Technical Information

Measurement System

Metric

Thread Type

UNC (coarse)

Grade

ISO Class 10.9

Diameter - Thread Size

M8 X 1.25

Length Under Head

40 mm

Drive Type

Female hex (socket)

Material

Steel

Finish

Black oxide

Type

Fully threaded

Head Type

Flat

Tensile Strength

170 000 PSI

ISO Specification

10642

DIN Specification

7991

Head Size

16mm W X 4.4mm H

Key Size

5 mm

Hardness

Rockwell C39