Nominal Size 5/8 18-8 Stainless Steel Low Head Socket Cap Screw Reference Dimensions provides reference dimensional information for the 18-8 stainless low head socket cap screw family. This row is useful when comparing nominal body diameter, head diameter, head height, hex socket size, and key engagement for the listed nominal size.

Low head socket cap screws are selected when reduced head projection is important around access panels, machine guards, tooling plates, automation equipment, instrumentation, or other compact assemblies.

The stainless construction is appropriate for general-service equipment where moisture resistance and a clean surface are useful selection factors. Cold Headers focuses on specialty socket products, difficult-to-find sizes, and practical sourcing support for MRO, automation, and repair operations.

Technical Highlights

• Material: 18-8 Stainless Steel
• Nominal Size: 5/8
• Nominal Body Diameter: 0.6250 in.
• Head Diameter: 0.867-0.875 in.
• Head Height: 0.306-0.312 in.
• Hex Socket Size: 0.3125 in.
• Minimum Key Engagement: 0.250 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.