【Durability Design 】:The bit includes a center point which guides it throughout the cut and incidentally spoils the otherwise flat bottom of the hole.
【Precisely Cut】:The cylindrical cutter around the perimeter shears the wood fibers at the edge of the bore, and also helps guide the bit into the material more precisely.
【High Quality】:Made from high quality carbide tungsten steel and being hot-treated,sharp edge,high hardness, accurate positioning,high precision,smooth cutting,impact resistance,high toughness.more smooth,less noise.
【Application】: Suitable for pistol drill, bench drill, vertical drilling machine hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine,etc.Perfect used for drilling precision holes in most of different types of wood, such as drawer, mounting spherical door shoot tip, perforation on wood products, and plastic products etc.
【Various Sizes】: 15mm(19/32"), 16mm(5/8"), 17mm(43/64"), 18mm(45/64"), 19mm(3/4"), 20mm(25/32"), 21mm(53/64"), 22mm(55/64"), 23mm(29/32"), 24mm(15/16"), 25mm(1"), 26mm(1-1/16"), 28mm(1-1/8"), 30mm(1-3/16"), 32mm(1-1/4"), 35mm(1-3/8"), which can meet your various needs in this professional set,drill clean flat bottom holes with no chipping,perfect to enlarge existing holes and bore any arc you need.

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