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1-8 x 4 1/2 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. With a 1-8 thread and 4 1/2 in. length, it fits guarding and housings where size interchangeability matters. Common uses include industrial automation, maintenance shops, and production lines, where internal hex installation helps keep the joint accessible. Verified head dimensions and hex key size help engineering departments check fit before ordering. The technical highlight block below retains the verified head diameter, head height, body diameter, and hex key data. Technical Highlights Material: Alloy Steel Thread: 1-8 Length: 4 1/2 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 4 1/2 in

Material

 N/A Alloy Steel

Quantity

 N/A 25

Package Type

 N/A Box

Search

 N/A ASSHCS.1-8.4 1/2

Note

Note

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