#30 HSS Threaded Shank Countersink (1/2") 24" HSS Extra Length Drills Flute length: 9"

Flute length: 9"

They are built to work well with a wide variety of materials in the iron and steel families

QTY 1 STE3HEX (1/4" - 3/4" x 16ths)

QTY 1 STE1 (1/8" - 1/2" x 32nds)

it runs up to 30% faster than standard M2 high speed steel

#30 HSS Threaded Shank Countersink (1/2") 24" HSS Extra Length Drills Flute length: 9"Specifications PILOT SIZE #30 DECIMAL EQUIVALENT . 1285" 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.