Hillman 5/16 In. Alloy Steel Yellow Dichromate Split Lock Washer (100 Ct.) CMT Sleeve Anchors function by turning

Sleeve Anchors function by turning the nut which pulls the end of the anchor up through the sleeve

High Density 'Jumbo' Blue Zirconia flap disc for right angle grinders

All steel construction with nonstick-coated carbon steel blades

Not surprisingly

Hillman 5/16 In. Alloy Steel Yellow Dichromate Split Lock Washer (100 Ct.) CMT Sleeve Anchors function by turningHardened, yellow dichromate split lock washer prevents nuts and bolts from turning, slipping, and coming loose because of vibration and torque. Grade 8. These fasteners contain split ends that help 'lock' into the mating material, thus providing a locking feature when tightened beneath a nut.