1-13mm 25 Pce HSS Cobalt Drill Set ABS Case while the metal bond gradually

while the metal bond gradually wears away to expose new diamond

extended blade life and safer cutting

63mm Brilliant Diamond Hole Saw

and a proven sump life in excess of 12 months

12mm 1/4" Hex Shank Diamond Core Drill

1-13mm 25 Pce HSS Cobalt Drill Set ABS Case while the metal bond gradually1 13mm 25 Pce HSS Cobalt Drill Set ABS Case Bordo Metric Cobalt Tough HSS Co5 Twist Drills. DIN338 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 minimising