Cobalt Screw Machine Length Drill Bit, Size #21, 2-1/8 in L, Cobalt Steel

115-DD4321B12

Product Description

Designed with optimized geometries that deliver 3X more life than competition. Patented web taper is 2X larger than the competition for increased strength, rigidity and breakage resistance. Optimized 135 degree split point gives exceptional service life and also allows the bit to start on contact. Heavy duty flute design produces maximum durability.

Specifications

Cutting Diam [Nom] #21
Cutting Edge Material M42 Cobalt
Material Cobalt Steel
Overall Length [Nom] 2-1/8 in
Point Angle 135°
Quantity 12 EA / CA
Shank Type Straight
Type Screw Machine Drill

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