Irwin Tools 73628ZR Turbomax High Speed Steel Drill Bit, 7/16"

High speed steel features a black body and gold flute Turbomax tip for burr-free holes. 3/8" reduced shank fits all 3/8" drills. Exact centering, no walking on straight and curved surfaces. A 3-flatted shank on 3/16" and above for better chuck grip. Jobber length.

• Dia x OA length 7/16" x 5-1/2"
• 1 4-1/16" L spiral flutes
• Revolutionary tip design stays sharper longer and drills up to 10x faster than other leading drill bits
• Three flatted shank design provides better chuck grip and reduces slippage
• Ideal for use in keyless chucks
• Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance
• 3/8" reduced shank fits all 3/8" drills.

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