Fastener SuperStore will close at 5pm CST on Friday, May 26. We will reopen at 7am CST on Tuesday, May 30. Have a safe and happy Memorial Day Weekend!

KEPS K-Lock Nuts

Keps Nuts

Attached Free Spinning Washer Provides Extra Hold -- Standard Keps Nuts have an External Tooth Lockwasher, Conical Keps Nuts have Conical Washers.