For repair work where a standard dowel no longer holds properly, the 1/2 x 1/2 0.001 Oversize Dowel Pin provides the B18.8.2 oversize option. The repair process should leave the hole round, straight, and clean so the oversize pin can recover location without changing the nominal pin family.

Worn fixture holes can use this series when the standard dowel fit has opened up during repeated setup work. Review the nominal diameter, actual oversize diameter range, length tolerance, end style, material, and ASME series before substituting a standard pin.

Cold Headers supports industrial distributors, tooling teams, and maintenance buyers with hard-to-find dowel sizes and lengths. For standard-series stainless material needs, compare 18-8 Stainless Steel Standard Dowel Pins rather than assuming the oversize part is interchangeable.

Technical Highlights

• Diameter: 0.5010-0.5012 in.
• Length: 1/2 in. (+/-0.010 in.)
• Series: Oversize (+0.001 in. over nominal, replacement use)
• Hardness: Surface Rc 60 min., Core Rc 47-58
• Ends: One chamfered, one crowned
• Material: Heat Treated Steel
• Dimensional Standard: ASME B18.8.2, Oversize Series

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