Imperial 81381 Sabre Letter Size Drill Bit, Letter 'U' Whisks Unique high performance wedge design

Unique high performance wedge design makes splitting easier and more efficient

4 cm) Thick

Plastic cap nails can be used to install foam board insulation

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

Outside Circumference: 46 inch

Imperial 81381 Sabre Letter Size Drill Bit, Letter 'U' Whisks Unique high performance wedge design135 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