12.0mm BRT HSS Delta Point Jobber Drill As a small groove begins

As a small groove begins to form gradually move the drill until the saw is flat and fully engaged with the workpiece

Bordo reduced shank HSS drills are ground and then a black finish is achieved by steam tempering

good abrasion resistance and resistance to micro-chipping

10mm 1/4" Hex Shank Diamond Core Drill

10mm Brilliant Diamond Hole Saw

12.0mm BRT HSS Delta Point Jobber Drill As a small groove begins12. 0mm Delta Point Bright Finish HSS Twist Drill Bordo Metric Delta Point M12 HSS Twist Drills. DIN338 Delta Point drills have a multi faceted cutting tip. Rather than try and modify existing point types, or tweak the grind angles, Delta Point tip design required a revolutionary re think of drill tip function. The overall length of the cutting edge significantly exceeds that of conventional drills. This means more edge doing the cutting and the