Cold Headers
Cold Headers
5514 N. Elston Ave
Chicago, IL 60630
Phone: 1-773-775-7900
Fax: 1-773-775-0779
Email: sales@coldheaders.com
Website: www.coldheaders.com
Working Hours: Mon - Fri 8:00am - 4:30pm CST
Saturday - Sunday CLOSED If you have any questions, please call or email us.
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7/8-9 x 4 1/4 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 7/8-9 thread and 4 1/4 in. length, it fits repair inventories where size interchangeability matters. Common uses include material handling, maintenance shops, and engineering departments, where internal hex installation helps keep the joint accessible. Internal hex drive access helps installation in compact assemblies, guards, housings, and fixture plates. The combination of product name, size, material, and verified head data improves search clarity for engineers and buyers. Technical Highlights Material: Alloy Steel Thread: 7/8-9 Length: 4 1/4 in. Nominal Body Diameter: .875 in. Head Diameter: 1.293 in. min / 1.312 in. max Head Height: 0.864 in. min / 0.875 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 7/8-9

Length

 N/A 4 1/4 in

Material

 N/A Alloy Steel

Quantity

 N/A 25

Package Type

 N/A Box

Search

 N/A ASSHCS.7/8-9.4 1/4

Note

Note

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