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IRWIN INDUSTRIAL TOOL CO - ACH

IRWIN INDUSTRIAL TOOL CO - ACH 67520 5/16in Black Oxide Drill Bit

SKU: HA67520
$8.49

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SKU:
HA67520
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IRWIN INDUSTRIAL TOOL CO - ACH 67520 5/16in Black Oxide Drill Bit

Designed for professional and automotive work, the IRWIN 67520 5/16in Black Oxide 135 Degree Drill Bit delivers consistent, accurate drilling and long service life. The 135-degree split point reduces walking at the start of the cut for faster, straighter penetration in metal and multi-material applications. The black-oxide finish improves corrosion resistance and chip flow, helping maintain edge life in busy shop environments.

Drills And Applications

This drill bit is optimized for use with corded and cordless drills commonly found in automotive power tool kits. Use it for sheet metal, light structural steel, and general repair tasks where a clean hole and precision alignment matter. The 5/16in diameter is a common size for fasteners and bracket work, making this bit a practical choice for technicians and maintenance professionals.

Professional Power Tools Performance

Built with durability in mind, the 67520 is suited to professional power tools and shop workflows. The black-oxide surface reduces wear and helps with coolant adhesion in higher-speed drilling. Carded packaging keeps the bit organized and easy to carry on job sites or in toolbox drawers, supporting efficient tool selection for repetitive tasks.

Grinders And Saws In The Workshop

While intended for drilling, this bit complements other shop equipment such as grinders and saws by supporting accurate layout and preparatory work. Proper hole preparation with a quality drill bit reduces rework and ensures better fitment when using cutting or grinding tools for finishing and assembly operations.

Specifications include a 5/16in diameter, 135-degree point angle, black-oxide finish, and single-carded packaging for convenient storage. Ideal for automotive repair shops, maintenance crews, and professional trades that rely on heavy duty automotive power tools and reliable consumables. Fast shipping.

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