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1-8 x 3 Alloy Steel Socket Head Cap Screw is specified when a machine assembly needs a high-strength alloy steel socket screw with predictable head and drive geometry. The size callout supports replacement sourcing without changing the specified size when drive components cannot accept a substitute fastener. Common uses include machine tools, robotics, and material handling, where internal hex installation helps keep the joint accessible. The socket head form provides a cylindrical head suited to counterbores and recessed mounting pockets. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 1-8 Length: 3 in. Nominal Body Diameter: 1.000 in. Head Diameter: 1.479 in. min / 1.500 in. max Head Height: 0.988 in. min / 1.000 in. max Hex Key Size: 3/4 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
Unit of Measure

Specifications

Brands

 N/A Cold Headers, Inc.

Diameter

 N/A 1-8

Length

 N/A 3 in

Material

 N/A Alloy Steel

Quantity

 N/A 25

Package Type

 N/A Box

Search

 N/A ASSHCS.1-8.3

Note

Note

 N/A Less Than Package Quantity Specified Plus 25%.