ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

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About This 50 Sizes in 5 Pcs: The step drill bit kit includes 5 standard pieces with totally 50 sizes for versatility, enough for your DIY needs HSS Titanium Coating: The step dril l has excellent sharpness and durability due to its high speed steel material and titanium coating 135° Split Point Tip & Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily Widely Application: Ideal for drilling holes in plastic, aluminum, iron and many other types of sheet metal (Not recommended for stainless steel & wood) Equipped with a well-organized case, make it more convenient for using and storing the step drills Overview Cutting Diameter : 0.38 Inches Finish Type : Aluminum, Smooth, Steel, Titanium Shank Type : Straight Cutting Angle String : 135 Degrees Brand : ZELCAN Show more