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The IRWIN 26135939 is a 1/4-inch high speed steel jobber length drill bit sold in a pack of five, designed for general-purpose drilling across metal, wood, and plastic. Built from M-2 high speed steel, these bits deliver a reliable balance of strength, heat resistance, and wear resistance for everyday trade and maintenance applications. The bright finish and standard 118-degree split point help the bit self-center on contact, reducing walking at the start of a hole and allowing faster penetration. Each bit conforms to jobber length dimensions for use in standard drill chucks.
These bits are suited for residential and light commercial work where a versatile, multi-material drill bit is needed. Electricians, plumbers, HVAC technicians, and general contractors reach for jobber length bits when drilling pilot holes, clearance holes, and pass-through penetrations in sheet metal, framing lumber, and thermoplastic enclosures. The five-pack format supports job-site use where bit replacement is routine.
Designed as a general-purpose jobber length drill bit compatible with standard keyed and keyless 3-jaw drill chucks accepting 1/4-inch shanks, for use in corded and cordless drills.
Drill bits of this type are installed and used by electricians, plumbers, HVAC technicians, and general contractors working under applicable trade codes. Secure the bit fully in the chuck before operation and confirm the workpiece is clamped or otherwise stabilized. Use appropriate cutting speed for the material being drilled, and allow the bit to cool periodically during extended metal drilling to preserve edge life. Wear eye protection in accordance with applicable safety standards.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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