Irwin 73428 Drill Bit | 7/16" x 5-1/2"L Turbomax HSS 3/8" Reduced Shank Jobber Length

Irwin 73428 Turbomax HSS 3/8" Reduced Shank Jobber Length Drill Bit 7/16" x 5-1/2"L

• 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" and above for better chuck grip
• Standard Turbomax bit with 3/8" reduced shank