3 Flats Drill Bits Reduced Shank
3 Flats Drill Bits are High Speed Steel Drill Bits with 1/2" shank. 3 Flatted Silver and Deming Drill Bits have surface treated flutes with a reduced flatted shank. 3 Flats drill bits expand the size range capacity of a portable drill chuck. Common Flute and overall length for minimal adjustment during tool changes. 3 Flats Drills are Precision Ground for high degree of concentricity between shank and body diameter. 3 Flatted Drill Bits are ideal for drilling in low and medium tensile strengh materials. Call Bisco Tool Supply Toll Free 1-866-247-2635 for drill bit questions.