#12 HSS Threaded Shank Countersink (1/2") 100° 3-Flute Countersinks The 135° split point tip

The 135° split point tip starts fast and drills true

135° split point tip for fast

work-hardened stainless

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

They feature carbide cutting edges for wear resistance and a steel shank for toughness

#12 HSS Threaded Shank Countersink (1/2") 100° 3-Flute Countersinks The 135° split point tipSpecifications PILOT SIZE #12 DECIMAL EQUIVALENT . 1890" BODY DIAMETER 1 2" MATERIAL HIGH SPEED STEEL THREAD SIZE 1 4 28 CUTTING ANGLE 100 SUGGESTED PACK QTY 1 Threaded countersink cutters can be used in adjustable or micro stop countersinking tools with a 1 4 28 threaded drive. They are made from high speed tool steel, precision ground to exact tolerances, and form relieved to ensure a 100 countersink angle concentricity.