Value Collection 251163PR Mil-spec Oversized Dowel Pin 1/4x3/4

Product Description

The VALUE COLLECTION 251163PR is a military specification oversized dowel pin designed for precision alignment and fastening applications in metalworking, machining, and mechanical assembly. Manufactured from alloy steel with a hardness of 50-58 HRC, this pin delivers the wear resistance and shear strength required for demanding industrial and defense-grade applications. It measures 1/4 inch in diameter and 3/4 inch in overall length, with a diameter tolerance of 0.0010 decimal inch for accurate, repeatable fitment. One end is beveled and one end is rounded, conforming to ASME B18.8.2 standards. Licensed machinists, toolmakers, and mechanical assemblers work with this component in production and maintenance environments.

This dowel pin is suited for use in jigs, fixtures, dies, and precision assemblies where tight positional tolerances are critical. The oversized designation makes it appropriate for applications where standard-diameter pins have worn their mating holes, or where interference-fit retention is required. Typical install scenarios include toolroom fabrication, maintenance repair and overhaul (MRO) operations, and original equipment manufacturing. This pin is sold individually but is subject to a minimum order quantity of 100 units per order.

Key Features

• Alloy steel construction with 50-58 HRC hardness for high wear resistance
• Breaking strength of 12,800 pounds measured in double shear
• Diameter tolerance of 0.0010 decimal inch for precision fitment
• One beveled end and one rounded end per ASME B18.8.2 specification
• Military specification oversized designation for interference-fit or worn-hole applications
• UNSPSC Code 31163203 for procurement and cataloging compliance

Compatibility

Designed as an ASME B18.8.2-compliant military specification oversized dowel pin suitable for precision alignment in jigs, fixtures, dies, and mechanical assemblies requiring a 1/4 inch diameter oversized pin.

Installation Notes

Installation of dowel pins typically requires a press or pin driver to seat the pin without damaging the bore or pin end. Power down and de-energize any equipment before servicing components that use alignment pins. Do not hammer pins in without proper support, as this can damage the bore geometry and compromise alignment. Consult applicable engineering drawings and tolerancing standards for proper hole preparation and fit class before installation.