Skateboard Speed Washers 1000 pack - Black Oxide external-tooth #10 x 1-1/4" Sealing Hex

#10 x 1-1/4" Sealing Hex Washer Head Self-Drilling Screws 410 Stainless Steel with Bonded 18-8 Stainless and Neoprene Washer 3000 pack

3/8" Fender Washer 18-8 Stainless Steel 500 pack

Internal SW5 hex drive used to drive the fastener through the roof panel into the substructure

120lb Tensile Strength

#14 x 1-1/4" Sealing Hex Washer Head Self-Drilling Screws 410 Stainless Steel with Bonded 18-8 Stainless and Neoprene Washer 100 pack

Skateboard Speed Washers 1000 pack - Black Oxide external-tooth #10 x 1-1/4" Sealing Hex. 324" x . 409" x . 030" Flat Washers 1000 pack Black Oxide These speed rings are used on the truck axle between the bearings and axle nut and between the bearings and truck hanger to prevent friction. Part # 354324409030BO 1000