#3 HSS Step Drill Bit, Black and Gold (1/4" - 3/4" x 16ths) 6" Cobalt Aircraft Fractional Drills accurate holes every time

accurate holes every time

SDS Carbide Tipped Drill Bits are designed for drilling stone or concrete

With a 135° split point tip

while the high red hardness allows for drilling speeds up to 30% faster than standard M2 HSS

The 135° split point tip allows for fast and accurate drilling

#3 HSS Step Drill Bit, Black and Gold (1/4" - 3/4" x 16ths) 6" Cobalt Aircraft Fractional Drills accurate holes every timeDescription Black and gold surface treated A single bit can be used for drilling a wide range of hole sizes in metal, plastic, and wood. The exclusive single radial concave flute creates perfectly round holes in metal, plastic, wood, and other thin materials without the need for center punching. Constructed of industrial grade high speed molybdenum steel, heat treated and temperature for long life Automatically deburrs the top side of the hole. Ideal