Black Oxide Drill Bits but can be used in all twist drilling applications
Patented aggressor variable tooth technology incorporates a tooth count per inch that drastically increases from the shank of the blade to the tip allowing for super-fast cuts with less vibration
Threaded coupling for easy removal
135 deg (degree) split point tip starts on contact to prevent walking
connector screw
10.5-oz. Clear Acrylic Rubber Sealant Saw Blades & Accessories Black Oxide Drill Bits butBig Stretch, 10. 5 Oz., Clear, Acrylic Rubber Sealant, Use On Windows, Doors, Siding, Etc., Water Resistance, Stretches & Compresses With Temperature Change, Paintable, Spans Gaps Up To 2", Water Clean Up.