1/4 x 12-In. High-Speed Split-Point Steel Drill Bit Category_HVAC Ducts & Venting Supplies It's suitable for use with

It's suitable for use with water or steam

1- 7/8 and 2 In

Provides a tough

Can Be Applied Over Old Finish Or Paint

Exhibits adhesion to many roofing materials

1/4 x 12-In. High-Speed Split-Point Steel Drill Bit Category_HVAC Ducts & Venting Supplies It's suitable for use with1 4" x 12", High Speed Split Point Drill Bit, Helix Is 31&degree. Which Minimizes The Over Aggressiveness Of A True Parabolic Flute, 135&degree. Split Point For Quick Start & No Walk Applications, Parabolic Flute Design Improves Chip Ejection In Metal & Wood Drilling Applications, Back Oxide Coating For Greater Resistance To Wear, Industrial Grade Steel, For Drilling In Metal, Wood & Plastic.