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HARFINGTON 23/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum 23/32 inch 1/2″ Shank
The HARFINGTON 23/32″ drill bit is a practical choice when you need a larger hole size but want compatibility with a 1/2″ drill chuck. Its reduced 1/2″ shank with a 3-flat design helps improve grip in the chuck, while the 118° split point is built for quick, efficient starts in common shop and home materials.
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Made from 4241 high-speed steel (HSS) and finished in a nitriding black surface treatment, this bit is designed for hardness and wear resistance with added corrosion and wear protection. It’s intended for woodworking and soft-metal tasks such as copper, aluminum, iron, and plastics—making it a solid pick for DIY, woodworking, and general home repair work.
For best results, keep the drill perpendicular (90°) to the work surface and consider drilling a smaller pilot hole first for improved accuracy—especially when starting larger holes. Note: this drill bit is not suitable for stainless steel.
23/32″ cutting diameter with a 1/2″ reduced shank (3-flat) for chuck compatibility and grip
4241 high-speed steel (HSS) for hardness and wear resistance
Nitriding black finish to enhance wear and corrosion resistance
118° split point for quick starts and efficient drilling in common materials
Suitable for wood, plastic, and soft/medium-hard materials like copper, aluminum, and iron (not for stainless steel)
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