Hex Cap Screws Grade 2

GRADE-2 HEX CAP SCREW

Description

A low or medium carbon steel, externally threaded mechanical device 1/4" diameter or larger, with a trimmed hex head and a washer face on the bearing surface.

Applications/Advantages

Economical for use in non-critical applications where the fastener is not subject to extreme temperatures or stress beyond the limits listed herein.

Material

AISI 1006 - 1050 or equivalent steel

Hardness

1/4 through 3/4 in. diameter, 6 in. and shorter in length: Rockwell B80 - B100.

1/4 through 3/4 in. diameter, over 6 in. in length: Rockwell B70 - B100.

7/8 through 1-1/2 in. diameter, all lengths: Rockwell B70 - B100.

Proof Load

1/4 through 3/4 in. diameter, 6 in. and shorter in length: 55,000 psi.

1/4 through 3/4 in. diameter, over 6 in. in length: 33,000 psi.

7/8 through 1-1/2 in. diameter, all lengths: 33,000 psi.

Yield Strength

1/4 through 3/4 in. diameter, 6 in. and shorter in length: 57,000 psi. minimum.

1/4 through 3/4 in. diameter, over 6 in. in length: 36,000 psi. minimum.

7/8 through 1-1/2 in. diameter, all lengths: 36,000 psi. minimum.

Tensile Strength

1/4 through 3/4 in. diameter, 6 in. and shorter in length: 74,000 psi. minimum.

1/4 through 3/4 in. diameter, over 6 in. in length: 60,000 psi. minimum.

7/8 through 1-1/2 in. diameter, all lengths: 60,000 psi. minimum.

Elongation

18% minimum (all diameters)

Reduction of Area

35% minimum (all sizes)

Plating

Zinc,HDG,Plain,Dacrotized,Teflon,Colorful Dye