1/16-3/8" 21 Piece HSS Cobalt Drill Set ABS Case Vacuum brazing provides the strongest

Vacuum brazing provides the strongest bond between the diamond particles and the hole saw

The toughened edge of the Tungsten tips gives excellent cutting life and consistent performance when compared to regular HSS slugger bits

Suitable for use with 32-210mm hole saws

HSS Die Nuts have a vastly longer tool life than Carbon dies as well as superior thread accuracy

Ideally and to get the maximum life out of a diamond blade

1/16-3/8" 21 Piece HSS Cobalt Drill Set ABS Case Vacuum brazing provides the strongest1 16 3 8" 21 Piece HSS Cobalt Drill Set ABS Case Bordo Fractional Cobalt Tough HSS Co5 Twist Drills. ANSI B94 11 135 Split Point (crankshaft point). Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust. The 135 point should be used to cut harder steel materials especially in deep hole applications. In these situations it will produce thicker chips