uxcell 4pcs M35 High Speed Steel Cobalt Twisting Drill Bit 6.8mm/0.04" Dia, Quick Change

Size - Drill Diameter: 6.8mm / 0.27"; Drill Bit Length: 57mm / 2.24"; Shank Size: 1/4" (6.3mm) Hex; Shank Length: 24mm / 0.94"; Total Length: 108mm / 4.25" Material - Hex drill bit is made of M35 Cobalt High Speed Steel with sharp edges. Due to high temperature heat treatment, metal drill bits have higher hardness, abrasion resistance, corrosion resistance, and longer life than ordinary drills FEATURES - 1/4" hex shank allows for quick replacement of drill bits. Fully polished spiral groove design quickly removes debris, reduces friction and heat for faster drilling. The 135° diameter shank split point reduces walking on the work surface and makes the drill accurate and easy APPLICATION - Hex torsion drill bits are used for DIY projects and household maintenance applications. Suitable for stainless steel, copper, aluminum, zinc alloy, cast iron, wood and plastic Caution - Cool and gentle use. Proper use greatly extend the life of the torsion drill bit

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