3/8 Shank x 11/16 BO Drill Bit

Master Mechanic, 11/16" x 6", Silver & Deming, High Speed Steel, Black Oxide, Drill Bit, Jobber Length, 1/2" Reduced Shank, 3-1/8" Flute Length, Black Oxide Surface Finish Improves Chip Flow & Increases Abrasion Resistance, Recommended ForDrilling Wood, Plastic & Soft Metals, Used In Machine Shops Using Screw Machines Or Where The Maximum Chuck Capacity Is1/2", Carded.