Imperial 81381 Sabre Letter Size Drill Bit, Letter 'U' Whisks Accepts up to #12 copper

Accepts up to #12 copper wire or copper-clad wire

simply install two screws in the holes provided

Outside Circumference: 46 inch

Plastic cap nails can be used to install foam board insulation

Size: 13-1/2 x 13-1/2

Imperial 81381 Sabre Letter Size Drill Bit, Letter 'U' Whisks Accepts up to #12 copper135 split point eliminates drill wander and centerpunching. Heavier web construction allows for higher feed rates and resists deflection. Premium Grade M7 steel is a superior quality High Speed Steel for maximum speed and temperature control. Proven to cut twice as fast as a standard 135 split point drill, in a wide variety of materials from soft to very hard, including stainless steel. Unique flute form improves chip ejection, reduces drill