Choose from our selection of screw locks, including over 11,400 products in a wide range of styles and sizes. Same and Next Day Delivery.

Choose from our selection of lock screws, including thread-locking rounded head screws, rounded head screws, and more. Same and Next Day Delivery.

Screw-Locking Key-Locking Inserts Forming the strongest hold of any of our threaded inserts, these inserts have a distorted internal thread to lock screws into place and keys that drive into …

Choose from our selection of thread-locking rounded head screws, socket head screws, vibration-resistant flat head screws, and more. Same and Next Day Delivery.

Choose from our selection of thread-locking set screws, including over 1,300 products in a wide range of styles and sizes. Same and Next Day Delivery.

Choose from our selection of threaded locking inserts, including over 1,400 products in a wide range of styles and sizes. Same and Next Day Delivery.

Choose from our selection of locking bolts, including hex head screws, socket head screws, and more. Same and Next Day Delivery.

Choose from our selection of split lock washers, tooth lock washers, spring lock washers, and more. Same and Next Day Delivery.

Choose from our selection of thread-locking bolts, including hex head screws, socket head screws, and more. Same and Next Day Delivery.

Coil Lock Washers Washers flatten under pressure and push against the nut or screw to stop it from backing out. The double coil adds more tension than split lock washers for a tighter hold …