Choose from our selection of lock screws, including thread-locking rounded head screws, rounded 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 screw locks, including over 11,400 products in a wide range of styles and sizes. 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 cam lock screws, including recessed joint clamps for wood, binding barrels and screws for wood, and more. 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 locking fasteners, including socket head screws, rounded head screws, and more. Same and Next Day Delivery.

Choose from our selection of alloy steel hollow-lock set screws, stainless steel hollow-lock set screws, die spring screw caps, 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.