Hex bolt 1/4-28 X 3-1/2 UNF G8 yellow zinc (PT)

Technical Information

Measurement System

Imperial

Thread Type

UNF (fine)

Grade

SAE Grade 8

Diameter - Thread Size

1/4-28

Length Under Head

3-1/2 in

Material

Steel

Finish

Yellow zinc plated

Type

Partially threaded

Head Type

Hexagonal

Tensile Strength

150 000 PSI

ASME Specification

B18.2.1

SAE Specification

J429

Minimum Thread Length

3/4 in

Key Size

7/16 in

Head Size

7/16 in W X 5/32 in H

Hardness

Rockwell C33