Shape: Spherical. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 5 grinding head.
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High toughness and higher strength: The drill bits are quenched for increased wear resistance, p roviding a more efficient and enduring working experience. Wide range of applications: Suitable for machines such as hand drills, bench drills, drills, milling machines, and radial drills.
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High-Speed Steel: Made of HSS4241 for efficient cutting and heat resistance during prolonged work. Multi-Size Range: Includes 4-12mm step drill and 8-20mm countersink for versatile hole sizing. Hex Shank : Features a secure grip for stable drilling performance with various materials.
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Simply apply light pressure to locate the drilling position and gradually increase the speed for optimal results.
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【High-Quality Material】Made of HSS M2, this auger dr ill bit ensures durability and long-lasting performance. 【Reduced Shank Design】The reduced shank of this drill bit enables it to fit into standard drill chucks, compatibility with most drill machines.
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High quality grinding burr. -With 3mm shank. It can be installed in electric rotary tools with 3mm collet. such as electric grinder, engraving machine, hanging grinder, hand drill, air grinder. -Head Shape: Cylinder.
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Quantity: 100PCS. For for Construction: Crafted from high-speed steel (HSS) and coated with gold, our drill bits are designed for exceptional resistance and longevity, they outperform standard options available on the market.
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User-Friendly Design: Featuring engraved step sizes for clear visibility, these drill bits minimize wear and tear concerns, making the drilling process more efficient and accurate. 5PCS Nitriding Step Bit Kit.
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