Diamond Core Drill - Sintered - 21mm

Sintered diamond core drills, unlike plated drills, have diamond content throughout the tip of the drill, so as it wears down you can run it through a dressing stick and expose new diamonds. This extends the lifespan significantly. Other advantages are apparent in the speed and efficiency of drilling.

To use these drills in a pillar drill, knock out the chuck assembly using a hammer and a block of wood, and replace with 202.003 (Core Drill Cooling System).

For occasional use in a standard chuck fitting, either on a pillar drill or a hand drill on a stand, use 201.721 (Flushing Head) and 201.936 (Adaptor).

Size: 21mm
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