5/16 in. SHOCKWAVE™ Carbide Multi-Material Drill Bit Propane Accessories 1/2" x 1/2" x 1/2"

1/2" x 1/2" x 1/2"

the cross bore should be 2-1/8 inches in diameter and the edge bore should be 1-inch in diameter

Cool Riser Technology Improves Cooling Performance By Elevating Away From Hot Surfaces

Patented thin wall design cuts 3X faster than any other brandsThe cutting difference Century diamond grit hole saws run cooler with less pressure for an accurate holeProven test results Century’s diamond grit hole saws cut 4X the holes of other diamond grit hole saw brands

For interior doors

5/16 in. SHOCKWAVE™ Carbide Multi-Material Drill Bit Propane Accessories 1/2" x 1/2" x 1/2"MILWAUKEE 5 16" SHOCKWAVE Carbide Multi Material Drill Bits are the most versatile bits, designed to tackle a variety of materials, including brick, block, concrete, steel, aluminum, ceramic tile, backerboard, wood, PVC, and drywall. The aggressive multi grind carbide tip delivers up to 10x longer life in stacked materials and up to 85% faster drilling speeds in metal. Equipped with a 1 4" hex shank, these general purpose drill bits are compatible