1/4-20 x 5/8 18-8 Stainless Steel Button Head Socket Cap Screw fits assemblies where reduced head projection and a smooth exposed appearance help protect nearby components or operators. Compared with taller cylindrical head styles, the button head offers a smoother exposed shape and lower head projection. The internal hex drive supports socket-key installation where external wrenching space is limited.

Typical applications include instrumentation and commercial equipment, where the stainless material provides a clean look for visible or frequently handled hardware. It can also serve machine covers and equipment housings, where internal hex access supports installation where external wrench clearance is limited. The rounded head profile is useful on visible or frequently handled assemblies.

The material is useful for indoor and outdoor general-service applications where routine moisture exposure is part of the design environment. For the 1/4-20 thread and 5/8 in. length, the reference head diameter is 0.419-0.437 in. and the head height is 0.122-0.132 in.

Technical Highlights

• Material: 18-8 Stainless Steel
• Thread Size: 1/4-20
• Length: 5/8 in.
• Nominal Body Diameter: 1/4 (.250 in.)
• Head Diameter: 0.419-0.437 in.
• Head Height: 0.122-0.132 in.
• Hex-Key Size: 5/32 in.
• Drive Type: Internal Hex

Reference dimensions may vary slightly by manufacturer.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.