FEWELL 3-Piece Titanium Coated HSS Step Drill Bit Set 1/4" Hex Shank M2 High-Speed Steel for Metal, Wood & Plastic Drilling
【M2 High Speed Steel Coated】The durable step drill is made of HSS M2（6542） , far better than 4241.Ensures durability and sharpness，corrosion and rust resistance, for longer cutting edge life even at extreme temperatures.【HSS titanium coating】The surface is treated with a titanium alloy, which greatl
GVHAKG M35 HSS Step Drill Bit Set (3-Piece) – High-Performance Cone Drill Bits for Metal, Wood & Plastic
Crafted from HSS M35 cobalt steel (364 HRC hardness) with a cobalt-coated surface, our step drill bits deliver exceptional durability and sharpness. The high-quality material reduces friction, ensuring cooler operation and extended tool life.
FEWELL 3Pcs HSS Titanium Coated Step Drill Bit Set 1/4" Hex Shank M2 High Speed Metal Step Drill Bit for Plastic, Wood, Sheet Metal Hole Drilling
【M2 High Speed Steel Coated】The durable step drill is made of HSS M2（6542） , far better than 4241.Ensures durability and sharpness，corrosion and rust resistance, for longer cutting edge life even at extreme temperatures.【HSS titanium coating】The surface is treated with a titanium alloy, which greatl
HSS Step Drill Bit Set 3-Piece Set 29 Sizes M35 Cobalt Spiral Groove Titanium Coated Step Drill Bit for Drilling Plate Aluminum Metal Wood HoleSpecification
【M35 Cobalt High Speed Steel】The durable step drill is made of HSS M35 cobalt (Hardness 364HRC), and the surface is plated with cobalt，outstanding durability and sharpness. Effectively reduces the friction to ensure cooler running so as to prolongs service life.【Spiral shape】 The spiral groove desig
