Keensert® Inch & Mil-Spec - Extra Heavy Duty - Locking & Non-Locking

Select your material, search our cross reference tables, or search our site by description or part number to Request a quote or buy online now.

Why Buy from MF Supply?

MF Supply is a leading supplier of Extra Heavy Duty Keenserts® including major brands and equivalents to Acme, Alcoa, Camloc, Clarendon, Fairchild, Kaynar, Microdot and Tridair Keenserts® & Keyserts. Our products are DFAR compliant with COC and full certifications available upon request.

We stock a huge inventory. Standard materials offered include Stainless Steel, A286, Nitronic 60, 4140 Alloy and Carbon Steel. Standard sizes run from 2-56 through 1-1/2-6.

Additional Inch product lines include Miniature & Thinwall, Heavy Duty & Thickwall Extra, Solid, Installation tools and kits. Special materials and nonstandard sizes may be available for special order with a lead time.

Can't find what you're looking for? Email us at [email protected] for a custom quote. "We have the right screw for you" is our motto after all!