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. No. 300012: Size: #8 Material: Hardened Steel Finish: Zinc Pkg Qty: 100 Package Type: Box No. 300015: Size: #10 Material: Hardened Steel Finish: Zinc Pkg Qty: 100 Package Type: Box No. 300018: Size: 1/4 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 100 Package Type: Box No. 300021: Size: 5/16 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 100 Package Type: Box No. 300024: Size: 3/8 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 100 Package Type: Box No. 300027: Size: 7/16 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 50 Package Type: Box No. 300030: Size: 1/2 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 50 Package Type: Box No. 300036: Size: 5/8 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 25 Package Type: Box No. 300039: Size: 3/4 In. Material: Hardened Steel Finish: Zinc Pkg Qty: 20 Package Type: Box

Hillman Fastener Corp
Model No 300012
UPC 008236090451

Finish Zinc
Material Hardened Steel
Size #8

China