Irwin Industrial 3015028 7/16" TIN Turbomax Drill Bit

• Titanium nitride coating for 6X longer life
• Turbomax tip for burr free holes. Exact centering /no walking on straight and curved surfaces
• Reinforced web for added strength and durability
• 3-Flatted shank on 3/16" and above for better chuck grip
• Laser signature for easy size identification
• Size: 7/16"
• Flute Length: 4-1/16"
• Overall Length: 5-1/2"