3/16" - 1/2" x 6" 5 Piece Carbide Tipped Masonry Drill Bit Set Quantity:1 Drill Bit Size: #21

Drill Bit Size: #21

Part Number DWRRSP7/64

Diameter/Pitch: M16-2

Part Number DWDTSMM8

3/16" - 1/2" x 6" 5 Piece Carbide Tipped Masonry Drill Bit Set Quantity:1 Drill Bit Size: #21Product Description Set includes five sizes: 3 16 x 6, 1 4" x 6, 5 16 x 6, 3 8" x 6 and 1 2" x 6. Engineered with wide flutes to provide fast dust removal in softer materials. Designed for drilling in brick, concrete and sandstone. Carbide tips brazed to tough steel bodies and are larger than the nominal drill size to provide clearance for installation of anchor screws, expansion shields and toggle bolts. Designed for use in portable electric drills.