3/8" internal tooth lock washers are designed to prevent nuts and bolts from loosening due to vibration or movement
and the round head provides a finished look
These 12-24 x 3/4 Unslotted Indented Hex Head Machine Screws are fully threaded and made of zinc-plated steel
it features a full thread design that provides a secure hold in various materials
These 8 x 1 1/4-inch Bugle Square Drive Coarse Thread Sharp Point Deck Screws are designed for superior holding power in outdoor wood projects
12-14 x 7/8 Unslot HWH #4 Point Self Drill Full Thread Zinc 1,000 hours Salt Spray 6-32 3/8" internal tooth lock washersThese self drilling screws are designed for use in metal applications. They have a 12 14 thread size, a 7 8 inch length, and a #4 point. They are made of hardened steel and have a zinc coating that provides 1,000 hours of salt spray protection. These screws are full thread, which means that they have threads along their entire length. They are also unslotted, which means that they do not have a slot for a screwdriver. Instead, they are driven with a