Precision Dowel Pins OEM Branded & Commercial in imperial/inch sizes per ASME B18.8.2 — In Alloy Steel, and 18-8/300, 316 & 416/400 series stainless steel

Looking for Precision Dowel Pins in Inch Sizes in Alloy Steel, 18-8/300, 316 or 416 Series Stainless Steel?

Precision dowel pins in inch/imperial sizes are designed for applications that require exact alignment and reliable fastening in mechanical assemblies using inch/imperial measurements. Manufactured to meet ASME B18.8.2 standards, these precision dowel pins come in diameter sizes ranging from 1/32 inch (0.03125 inches) to 1 inch, offering the flexibility needed for a wide range of applications. From high-precision manufacturing setups to critical alignment in aerospace and automotive assemblies, these dowel pins ensure reliable performance. Their tolerances are also crafted for both slip-fit and press-fit applications, with precision slip-fit tolerances ranging from +0.0001" to +0.0003" and press-fit tolerances ranging from +0.0000" to -0.0002", allowing for highly accurate fits in many critical applications. Available in materials like alloy steel, 18-8/300, 303, 316, and 416 series stainless steel (the latter also available in our domestic and Mil-Spec MS16555 dowel pins section), these precision dowel pins deliver consistent, reliable performance even in the toughest environments, ensuring alignment and stability in any mechanical assembly.

At MF Supply, we offer alloy steel, 18-8/300, 316 & 416 series stainless steel precision dowel pins — adhering to standard ASME B18.8.2 — in hardened, unhardened, interference/press-fit and undersize/slip-fit styles, including major brands and equivalents to Pic Design, WM Berg, Unicorp, Unbrako, Misumi, American Sockets, Holo-Krome and more. Our certified products are DFAR compliant with COC and full certifications available upon request.

Stock sizes include 1/32 inch through 1 inch diameters in hardened and unhardened 18-8/300 & 316 series stainless steel, and alloy steel with plain, phosphate, bright, bright microinch, black lustre or ebony black oxide finish. Special materials and nonstandard sizes may be available for special orders with a lead time.

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