HSS Titanium Coated Step Drill Bit: made from high-speed steel with titanium coating to improve hardness, heat resistance, and cutting durability for stable performance during continuous drilling
Spiral Step Cone Design: features a precision step structure that allows multiple hole sizes with one drill bit, reducing the need for frequent bit changes while creating clean, burr-free holes
Multiple Step Size Options: available in 5-step, 9-step, and 15-step designs, covering hole sizes from 5/32" (4mm) to 1-17/64" (32mm) for flexible drilling applications
Versatile Material Compatibility: designed for drilling thin metal sheets, PVC, copper, wood, and other soft to medium-hard materials in DIY projects, repairs, and woodworking tasks
Universal Drill Compatibility: works with most hand drills and drill presses, providing a practical solution for users who need efficient hole enlargement and size adjustment
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