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Features: 1, High-quality alloy forged blade, advanced sintering technology, perfect mosaic alloy blade, very sharp, long service life 2, Drill holes neat, smooth, no broken edge, will not produce tremor phenomenon. 3, The unique event positioning plate designed to allow opening more at ease. Positioning plate material is a powder alloy die-casti 4, Can be used for a variety of wood, wood products, plastics, plywood and other materials openings. 5, Easy to install, easy to use, only need to be installed in the ordinary hand drill can be used. 6, Work noise is small. Specifications: Material: Hard alloy Blade type: arc edge Size: 15mm, 20mm, 25mm, 30mm, 35mm Package list: 5pcs Spotting Hole Opener Bit Drills Set (15mm+20mm+25mm+30mm+35mm) 2pcs Hex Wrench Note: When you using this drill bit, the materials (eg. wood, plastic products, plywood ect.)temperature will get very high , please add some water or coolant to avoid the material get smoke.
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