All AMPG Washers are Precision Made

 

Ordering Washers

Start by finding your Bolt Size.

Then determine the Inner Diameter (ID) and the Outer Diameter (OD) as well as your Thickness needed for your project.

Ordering Washers

Washers are multipurpose fasteners that are vital in a variety of applications. In general, washers have two main functions: to distribute the pressure of the nut evenly over a surface without damage and to ensure that the nut is pressed against a smooth surface to reduce the chances of loosening over time. Ensure a tighter join with a lock washer, or pre-load it with a wave washer. 

Shims can be used to incorporate spacing and clearance in all manner of applications. They can be use as a temporary solution or as a permanent component in many different settings. We offer standard and custom shims in a variety of materials, and in a comprehensive range of sizes and shapes.

AMPG has thousands of hard to find items, made in the USA. We specialize in non standard sizes – extra thick or extra thin. Also small quantities of traceable Military Specification washers. We manufacture a full line of machined product – countersunk washers, spherical washer sets, and others. We have a large line of square washers in many materials, in 2”, 3” and 4” square.

Download Catalog
Material Type Specification Tensile, psi Yield, psi Estimated Shear, psi Elongation Brinell Hardness Rockwell Hardness
Brass 360 ASTM B16 58,000 45,000 29,000 25% BHN 143 B78
Stainless Steel 18-8 (303) ASTM A582 90,000 35,000 45,000 50% BHN 160 B83
Stainless Steel 316 (316L) ASTM A276 75,000 30,000 37,000 45% BHN 160 B83
Stainless Steel High Five* (316 H5) ASTM A276 125,000 100,000 62,500 26% BHN 250 C25
Stainless Steel 17-4 PH Cond A ASTM A564 TYPE 630 160,000 145,000 80,000 15% BHN 332 C36
Steel 12L14 ASTM A108 78,000 60,000 39,000 15% BHN 160 B84
Steel Alloy C4140/4140 (Alloy) ASTM A108 Cold ASTM A108 Thru Hard 105,000 85,000 52,500 15% BHN 187 C32
Steel Grade 2 ASTM A307 Equivalent 60,000 36,000 30,000 18% BHN 160 B70
Titanium Grade 2 ASTM B348 GR 2 75,000 55,000 37,500 20% BHN 163 B85


Material Information