7/16 x 5-1/2-In. High-Speed Steel Drill Bit, Titanium Coated Richelieu Hardware seat and linkage are replaceable

seat and linkage are replaceable without digging

phosphoric acid

allowing for quick measurements

green & 3 blue

Provides an excellent source of fermentable fiber for slow release energy

7/16 x 5-1/2-In. High-Speed Steel Drill Bit, Titanium Coated Richelieu Hardware seat and linkage are replaceableMaster Mechanic, 7 16" x 5 1 2", Titanium Coated Drill Bit, 135 Split Point Design With 4 Cutting Edges Eliminates Walking & Permits Quick Accurate Starting, Added Lubricity Of Titanium Nitride Surface Finish Enhances Chip Flow, Drilling Efficiency & Increases Drill Life, Recommended For Heavy Duty Drilling In Wood, Plastic, Wallboard, Plywood & Soft Metals & For Moderate Use In Heat Treated Or Ferrous Metals, Carded.