Lock washers come in various sizes and shapes

SPLIT LOCK WASHERS [100/BX]

GAL GLOSS WHITE PAINT (100 VOC)

Clog-reducing NET design for less dust build-up and up to 10X longer sanding life

1-3/4" SHARK TOOTH HOLESAW WITH ARBOR Lock washers come in various1 3 4" SHARK TOOTH HOLESAW WITH ARBOR Professional bi metal saws with 8% cobalt high speed steel teeth, electron welded to shatterproof, shock absorbing alloy bodies. Variable pitch tooth pattern cuts clean through stainless steel, brass, aluminum, pipe steel, nail embedded wood, hardwood, plywood, sheet metal, fiberglass and plastic. Suggested speed RPMs are for cutting mild steel. Decrease RPMs by 30% for cast iron. Increase RPMs by 30% for brass