Reduced Shank Industrial Drill Bit, 3/4 Inch Silver And Deming Drill Bits, HSS Black Oxide Finish Drill Bits, 135-Degree Split Point, 1/2 Shank For Most Handle, Ideal For Steel, Copper, Aluminum, Zinc

Why Choose HIGHFIRE? HIGHFIRE is a leading brand specializing in cutting tools. Cutting Edge Length: 80mm / 3.15 Overall Length: 150mm / 5.9 Shank Type: Straight, Round 3/4 inch Reduce Shank Drill Bit Set (3pcs) Reduced Shank Drill Bit Reduced shank drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. 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. 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. 3 Pieces Drill Bits Each drill bit comes in a sturdy plastic case for easy portability and storage 135° Split Point 135° Split Point for Faster and More Efficient Drilling without Walking. Double Cutting Edge The drill bit's double cutting edge facilitates preciser drilling position and fine drilling process. WIDE FLUTE DESIGN: Wide flute design improves chips ejection easily and completely while drilling in metal and wood. REDUCED SHANK: 1/2 reduced shank with three flats can be locked into chuck firmly. Black oxide finish has excellent abrasion resistance. WIDE APPLICATION: It is ideal for drilling steel, metal, wood, plastic and composite materials. Each drill bit has an independent package (plastic tube), which is not only convenient for storage, but effectively prevents the drill bits from colliding with each other and damaging the drill bits.