Hillman
Hardened, zinc finish split lock washer prevents nuts and bolts from turning, slipping, and coming loose because of vibration and torque. These fasteners contain split ends that help 'lock' into the mating material, thus providing a locking feature when tightened beneath a nut.
Hillman Green Ribbed Plastic Anchor Kit (#12-14-16 x 1-1/2") - 101 pc
Monster Fastener Zinc Plated Grade 2 Steel SAE Flat Washers
Monster Fastener Zinc Plated Steel Hex Bonded Washer Head Self-Drilling Screws
Monster Fastener Zinc Plated Steel Phillips Modified Truss Head Sharp Point
Monster Fastener Zinc Plated Steel Modified Phillips Truss Head Self-Drilling Screws