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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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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Complete Set: This premium 4-piece countersink drill bit set features M2 high-speed steel tapered guide drills in sizes 2.8mm × 8mm, 3.2mm × 8mm, 3.5mm × 10mm, and 4.0mm × 10mm. Automatic Wood-Stop: The upgraded countersink drill is constructed entirely from aluminum alloy with built-in bearings.
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The product has edges high drilling efficiency. The center of the product has serrations, with its help, the drill can continue to drill horizontally after drilling. Fully ground spiral groove design quickly decreases friction heat for a faster cooler drilling performance.
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For Precision Drilling:The drill has smooth hole opening, no edge breaking, no tremor, easy positioning, and improved drilling speed. It will help to start from the smallest bit and continue to the required size for drilling.
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Shank Diamter: 2.35mm. Head Length: 16mm. 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.
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Size:Approx. Precise and Accurate:With its precise cutting edge, this milling cutter ensures clean and accurate holes without any jagged edges. 1 x Step Drill Bit（14mm thread）. 1 x Step Drill Bit（M10 thread）.
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10 Eccentric Drill Bit. 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. Size:5/6/8/10/12mm.
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