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The IRWIN INDUSTRIAL TOOL CO 63906 is a 3/32-inch titanium nitride coated jobber length drill bit sold in a 3-pack, engineered for metal drilling applications where rigidity and feed control are critical. The titanium nitride coating extends service life by reducing heat and wear at the cutting edge. A heavy-duty web design provides extreme rigidity during metal drilling operations. The 35-degree split point reduces feed pressure for cleaner penetration and prevents work hardening of the base material, making this bit suitable for high-tensile-strength metals that are unforgiving of poorly controlled entry.
This drill bit is intended for use by machinists, pipefitters, electricians, HVAC technicians, and general trade professionals who regularly drill into ferrous metals, stainless steel, or other high-tensile-strength materials. Jobber length provides a balanced reach-to-rigidity ratio suitable for most bench and handheld drill applications. The shorter cutting lips are specifically designed to reduce torque load when working through harder materials, helping extend both bit life and motor life in demanding field or shop conditions.
Designed as an OEM-style jobber length drill bit suitable for use with standard 3/8-inch and 1/2-inch keyed or keyless drill chucks accepting 3/32-inch round shanks.
Secure the bit firmly in the chuck before operation and verify chuck key is removed prior to starting the drill. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend bit life and reduce heat buildup. Allow the split point to self-center before applying full feed pressure to avoid walking on hardened surfaces. Disconnect power to any drill press before changing bits.
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