Auniwaig Drill Bits Auniwaig is a company Professional selling different kinds of tools for Maintenance,Repair and Operation. Cooperated with a team of excellent materials engineers, experienced professionals and our faithful patrons, we are committed to providing high quality products and the most attentive service. Reduced Shank Drills Reduced shank drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Sharp Spiral Flutes Sharp Spiral flutes provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation. Black Oxide and Nitride Coatings Black oxide and nitrogen treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge. Features High wear resistance High toughness High heat resistance High cost performance Wide Application Design for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal, wood and plastic materials.Suitable for hand drill, table drill processing equipment, etc.. Suitable Lubricant is conducive to cutting or cooling, making cutting easier, improving smoothness and dimensional accuracy. It can help to extend the service life of tools in tapping operations. Silver Reduced Shank Drill Bit Polished Finish Millin Reduced Shank Drill Bit 13mm Rolling Nitriding Black Oxide 8mm Cobalt Drill Bit HSS Straight Shank Cobalt Twist Drill Bit 5.5mm Dia Round Shank Twist Drill Bits HSS-6542 Straight Shank Twist Drill Bi 0.94" Reduced Shank Drill Bit 24mm Rolling Nitriding Oxide High Speed Steel 6542 Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 2.8 out of 5 stars 6 4.0 out of 5 stars 26 4.2 out of 5 stars 5 — 5.0 out of 5 stars 1 4.0 out of 5 stars 26 Price — no data $12.39$12.39 $10.09$10.09 $7.89$7.89 $10.89$10.89 $9.99$9.99