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High-speed steel construction for longer cutting edge life even at extreme temperatures.
Industrial HSS construction, coated by titanium nitride, ensures maximum durability and sharpness, reduces friction, and runs cooler.
We also offer a free automatic center punch. Marking with it before drilling can effectively prevent drill slippage and is ideal for use with step drill bits.
The 118° split point and double-edged straight flute design allow you to work at a 45° angle, ensuring precise and efficient drilling for various materials.
This step drill bit set covers all common sizes in life and can replace 50 single drill bits (including common sizes like 3/4, 5/8, 1/2, 7/8, 1/4, etc.). You can finish drilling, reaming, and deburring in one step without changing drill bits.
We are committed to providing high-quality products and excellent customer service. If you are not completely satisfied with your purchase, please contact us, and we will ensure that any issues are resolved promptly.
