Steel Locknuts, Made in the USA by American Fittings

Why deal with stamped locknuts that strip, crack, or worse yet fail?

Consider the NEXT Generation of Locknuts
Guaranteed to Grip Tight, Thread Right and Never Vibrate Loose!
Unique diamond cut knurl will bond to all metal enclosures and
never damage non-metallic boxes.

End your locknut frustration by installing with our HDI Series Steel LOCKnuts. This LOCKnutt will end all your frustration with warped locknuts, cracked locknuts, and locknuts that simply do not lock.  Our seel LOCKnut threads easily and even has a notched area to make your bump lock easy.

Download our Steel Locknut Cut Sheet → 

As an alternative consider AMFICO’s Unique Grounding LOCKnuts in Alloy Steel – AH LN Series
Four Configurations Available:
Ground Nut, Ground Nut with Bonding Strap or Ground Screw or Layin Lug

Buy With Confidence

The manufacturing and assembly of AMFICO Liquid Tight / Seal Tight Fittings fully conform to the Buy American, Buy American Provisions, Trade Agreements Act and the American Recovery and Reinvestment (ARRA) and section 1605 of that act, Public Law 111-5. A requirement for all federally funded projects and many state and municipal jobs. Material Certs are furnished upon request.




t: 800-221-5268   |   f: 201-664-1175

17-10 Willow Street, Fair Lawn NJ 07410

e: info @ amftgs . com

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