Irwin® 73320 Turbomax® 733 Series Fractional Jobber Length Drill Bit, 5/16 in Drill, 0.3125 in Drill, 135° Point, High Speed Steel

Irwin® Turbomax® Jobber Length Drill Bit, Fractional, Series: 733 Series, Imperial, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal in, 4-1/2 in Overall Length, 1 Flute, Spiral Flute, 3-3/16 in Flute Length, 5/16 in Shank, Straight Shank, 135° Point, Self-Centering Turbomax® Point, Right Hand Cutting Direction, High Speed Steel Cutting Edge, Through Coolant (Yes/No): No, High Speed Steel, Black/Gold Oxide, Applicable Materials: Aluminum/Brass and Copper/Cast Iron/High Alloy Steels/Mild Steel/Plastic/Sheet Metal/Stainless Steel/Wood/Drywall.

Features

• High performance metal drilling for portable drill users, works well on curved surfaces
• Revolutionary tip design stays sharper longer and drills up to 10X faster than other leading drill bits
• High speed steel features a black body and gold flute
• Self-centering Turbomax® tip for clean entry and fast starts, stays sharp longer
• Three flatted shank on 3/16 in and above for better chuck grip
• For high performance metal drilling and works well on curved surfaces