14mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO

LingGan Stainless Steel Special Twist Drill Bit, High Hardness, Fast Chip Removal, Good Wear Resistance, 135° Large Top Angle Design, Double Relief Angle, Fast And Precise Drilling, Saving Time And Effort, Spiral Pattern Large Groove Design, Large Chip Holding Space, Smooth Chip Removal, Effective Prevention Of Accumulated Chip Residues, Good Chip Removal Performance, Fast Drilling Speed, Fully Ground Double Cutting Edges, Accurate Size, Good Finish, Reduced Friction Coefficient Of Drilling, Smooth Hole Wall, High Precision, Yellowing Surface, Rust-Proof And Beautiful, Prevent Oxidation And Rust, Extend Service Life, Round Drill Shank, Firm Clamping And Non-Slip, Wide Application Range. 30° Helix Angle, Fast Cutting Speed And High Efficiency.