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DIY projects and so on
Designed for very high drilling temperatures and superior performance in stainless steel
WIDE APPLICATION: HIGHFIRE 21 pcs cobalt drill bit can be used in DIY and industrial projects
PACKAGE - This set comes with a full range of most popular metric taps & dies with both coarse and fine sizes
13 Pcs Hole Saw Set
3 Pcs Cobalt Step Drill Bit Set DIY projects and so on3PCS Cobalt Step Drill Bit Set, Three Spiral Flutes Hex Shank Unibit Drill Bits for Metal, Stainless Steel, Aluminum, Wood, Plastic. TiAlN COATING: TiAlN coating has excellent characteristics such as high hardness, high oxidation temperature, strong adhesion, small friction coefficient and low thermal conductivity. TiAlN coated cutting tools can be used for hard materials and high speed cutting. THREE FLUTES STEP DRILL BIT: Ordinary step drill bits