CRL 3-1/4" Brass Tube Drill and Head PD Series Metal Bond Diamond Drills on average 1

on average 1

and cracking

The pointed backside of the tool is used to insert the first few inches of the rod and to turn corners

80X: Rough

CRL 3-1/4" Brass Tube Drill and Head PD Series Metal Bond Diamond Drills on average 1Brass Tube Holds Abrasive Better Cuts Faster and Cleaner Than Steel Tubes The CRL Brass Tube Drill offers you a combination of quality drilling with easily replaceable parts. The brass material grabs the CRL Silicon Carbide Abrasive Grain better than steel, so you can rapidly drill a cleaner looking hole. Because the tubes and heads are separate entities, you need only replace the part that has worn out. This way, you save money because you don't pay