Imperial 80603 Reduced Shank Drill Bit, 7/16", Black Oxide Patches & Repair Kits silverfish

silverfish

For light gauge metal

The high solids formula penetrates deep into the wood's surface to lubricate and strengthen wood and form a superior water barrier

Saves labor involved in tearing out old plaster

Imperial 80603 Reduced Shank Drill Bit, 7/16", Black Oxide Patches & Repair Kits silverfish3 8" reduced shank to fit smaller drills. High quality M 7 steel is superior to standard M 50 steel. Self centering, 135 split point eliminates center punching. Resists breakage even while drilling at difficult angles. Drills cooler will not overheat eliminates chip welding. Special design allows for easy drilling of stainless and high alloy steel. Highlights: Drill Size: 7 16" Material: High Speed Steel Overall Length: 5 1 2" Decimal Equivalent: 0.