Irwin 1-inch Reduced Shank Silver and Deming HSS Drill Bits
With a high resistance to abrasion during tough drilling applications,these Irwin drill bits are great for creating large holes and heavy metal drilling. The three-flatted shank design provides better chuck grip and reduces slippage. Cutting diameter: One (1) inch Flute length: 3 inches Overall length: 6 inches Intended use: Create large holes,heavy duty metal drilling,automotive,body shop,metal fabrication Cutting edge material: HSS