Monel-K500 Washers

IN STOCK! Lightning Bolt is a premier provider and manufacturer of Monel-K500 washers. This age hardened nickel-copper alloy, is considered the better brother of Monel 400 as it has nearly 3X the yield strength and 2X the tensile. In addition, Monel K500 fasteners can be additionally harden by cold working, but similar to other Monel alloys, the machinability is relatively difficult.

Commonly found in valves and pumps within the petrochemical industry, Monel K500 fasteners offer high resistance to corrosion while also providing the strength and erosion resistance needed by many critical applications.

A leading fasteners manufacturer, Lightning Bolt can provide your project with any type of special or standard fastener including:

Why Lightning Bolt for Monel-K500 Washers?

Lightning Bolt & Supply has been servicing North America’s industrial fastener needs for over 25 years.  Since then, our focus on the production of high quality parts at competitive pricing has allowed us to become an industry leader.  Our niche in exotic high nickel alloy fasteners include materials such as: hastelloy, Inconel, monel, A-286, 904L, Alloy-20, duplex stainless as well as many additional alloys.

Being centrally headquartered in Baton Rouge, Louisiana, we are capable of shipping to jobsites all over the world.  Many of our industrial projects that we supply material to include anchor bolts, and also stud bolts of many different ASTM grades.  These include B7, L7, B16, B8, B8M, stain hardened and many more.  In addition to being an ISO certified fastener manufacturer, we were awarded “Corporate Supplier of the Year” by WBENC.

To learn more about our products, or to place an order, please call (225) 272-6200 or send an email to  For calls placed from outside of the United States, please call 001-225-272-6200.


Contact Us

Our Team will contact you in less than 24 hours

  • This field is for validation purposes and should be left unchanged.