CRL QuickBit 3/8" Countersink/Drill Bit Glass Abrasive Tools CRL recommends use of a

CRL recommends use of a Ground Fault Interrupt Device to eliminate chance of electrical shock

Also great for cleaning tools

Dry Coolant Powder offers high lubricity

with no holes

CRL QuickBit 3/8" Countersink/Drill Bit Glass Abrasive Tools CRL recommends use of aDrill Hole, Countersink, and Drive Screws Without Switching Bits Save Time and Labor Drill, countersink, and drive screws without switching three separate bits in and out of your power tool. With a single hand, flip between drilling countersunk holes and driving screws. The countersinking drill and screwdriver bit are secured with set screws, so you can switch them out for any bits with a 1 4 hex shank. The countersinking drill has an 82 angle,