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Our shop is committed to providing high quality products and customer satisfaction, if you have any problems, please feel free to contact us and we will try our best to solve it for you! Features: ☉ Made of high speed steel with titanium coating, wear-resistant and durable ☉ 3-Flat (3/8") shank is compatible with most electric drilling tools ☉ Laser engraved numbers increases step visiblity ☉ Double flute design, reduce drilling resistance, fast chip removal ☉ 118° separation point tip design for higher drilling efficiency ☉ Drills holes of various sizes without changing bits ☉ Suitable for drilling holes in soft metals such as aluminum, tin, copper, etc. It is also well suited for use on non-metallic materials such as PVC and wood. Note: Not suitable for hard metals such as steel. Specification: ☉ Materials: High Speed Steel ☉ Shank Type: 3 Flat ☉ Tool Flute Type: Straight ☉ Finish Type: Titanium Nitride ☉ Cutting Angle String: 118 degrees ☉ Package List: - 5 x Step Drill bit - 1 x Aluminum Storage Box Step Drill Bit Size: ☉ 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8 (inch) ☉ 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 (inch) ☉ 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inch) ☉ 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2 (inch) ☉ 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 (inch)
【HSS Titanium Nitride Coating】The step up drill bit is made of high speed steel with titanium coating, which is wear and corrosion resistant and has excellent high temperature resistance and a long service life.
【118° Split Point】X-type 118° split point tip design, which can speed up the cutting speed, effectively reduce the drill bit slippage to prevent walking, more efficient drilling.
【Straight Flute Design】Dual straight flute design of titanium drill bits allows for fast chip removal, resulting in smoother drilling without overheating.
【Widely Applications】Step drill bit set contains 5 cone drill bits in 50 sizes. Suitable for drilling holes in soft metals such as aluminum, tin, copper, etc. It is also well suited for use on non-metallic materials such as PVC and wood. Note Not suitable for hard metals such as steel.
【Quick Change】Our stepped drill bit feature a 3-flat shank that fits easily and securely into most electric drilling tools. Perfect for DIY lover.
