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The IRWIN Unibit 5 35mm Dia. High Speed Steel Uncoated Step Drill, MPN 11105ZR, is designed for precision drilling in various materials. This tool can create clean, round holes in metal, plastic, and wood without the need for center punching. Made from high-speed molybdenum steel, it offers high durability due to its heat-treated and tempered construction.
Ideal for applications that require drilling through thin materials like aluminum, brass, and laminates. The step drill bit offers a structured approach to enlarging pre-existing holes or creating new ones in various applications.
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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