Tanner Nut & Bolt - Fasteners & Industrial Safety Supplies
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Cap Screw
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Material
Steel
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8
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Head Type
Hex
Steel Grade
8
Drive Type
Hex
Finish
Zinc Yellow Plated
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 Cap Screw(343)
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 8(343)
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Grade 8 Hex Cap Screws

Medium Carbon Alloy Steel

A cap screw manufactured from medium carbon alloy steel & heat-treated. Externally threaded mechanical device 1/4" diameter or larger, with a trimmed hex head and a washer face on the bearing surface. Has greater tensile strength than a Grade 5 Hex Cap Screw. Designed for use in high stress applications.

Tempered Grade 8 fasteners are manufactured of medium carbon alloy steel for the most demanding applications. These fasteners are then quenched and tempered to superior strength and hardness qualities. The grade marking on a Grade 8 fastener is six equally-spaced lines coming out from the center of the head. The manufacturers’ identifications are added for tracability.

   

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