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.
3/8-16 x 5/8 Alloy Steel Socket Head Cap Screw gives engineers an internal-hex fastener for mechanical joints where socket engagement and dimensional consistency matter. The size callout supports matching drawings and maintenance records when machine frames and brackets cannot accept a substitute fastener. It is frequently used in machine tools, maintenance repair, and maintenance shops when socket engagement is preferred over external-wrench access. The dimensional highlights make the listing more useful for maintenance shops and industrial distribution teams. This keeps the listing focused on the fastener geometry rather than broad catalog language. Technical Highlights Material: Alloy Steel Thread: 3/8-16 Length: 5/8 in. Nominal Body Diameter: .375 in. Head Diameter: 0.550 in. min / 0.562 in. max Head Height: 0.368 in. min / 0.375 in. max Hex Key Size: 5/16 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.