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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5/8-18 x 1 1/4 Alloy Steel Socket Head Cap Screw gives engineers an internal-hex fastener for mechanical joints where socket engagement and dimensional consistency matter. This size keeps the specified 5/8-18 thread and 1 1/4 in. length visible for stockroom identification and purchasing review. Industrial buyers may specify it for fixture design, automation systems, and precision assemblies where head geometry and drive access need to be predictable. Internal hex drive access helps installation in compact assemblies, guards, housings, and fixture plates. This keeps the listing focused on the fastener geometry rather than broad catalog language. Technical Highlights Material: Alloy Steel Thread: 5/8-18 Length: 1 1/4 in. Nominal Body Diameter: .625 in. Head Diameter: 0.921 in. min / 0.938 in. max Head Height: 0.616 in. min / 0.625 in. max Hex Key Size: 1/2 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 5/8-18

Length

 N/A 1 1/4 in

Material

 N/A Alloy Steel

Quantity

 N/A 50

Package Type

 N/A Box

Search

 N/A ASSHCS.5/8-18.1 1/4

Note

Note

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