7/16 x 5-1/2-In. High-Speed Steel Drill Bit, Titanium Coated Richelieu Hardware Laser cut heat expansion slots

Laser cut heat expansion slots reduce heat and blade warp

allowing for quick measurements

Tree and flower guard

Provides an excellent source of fermentable fiber for slow release energy

Fade and chip resistant

7/16 x 5-1/2-In. High-Speed Steel Drill Bit, Titanium Coated Richelieu Hardware Laser cut heat expansion slotsMaster 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.