MOLDINO Carbide Coated Drill Carbide OH Non-Step Borer 30WHNSB0790-TH 30WHNSB0790-TH 1 piece

Catalog number: 30WHNSB0790-TH Features: ●The NSB groove shape, which has excellent chip evacuation properties, and the TH coating, which has excellent stability even at high temperatures, allow for non-step, highly efficient machining. ●The use of W margin allows for high-quality machining. Applications: ●Workpiece materials: general steel, stainless steel, pre-hardened steel, cast iron. ●Processing shape: countersinking and drilling ●Cutting material: cast iron, carbon steel, alloy steel, stainless steel, pre-hardened steel, heat-resistant steel, titanium alloy, ductile cast iron, general structural steel Specifications: ●Blade diameter (mm): 7.9 ●Groove length (mm): 265 ●Total length (mm): 320 ●Shank diameter (mm): 8.0 ●Effective machining depth: 30D (blade diameter x 30 times) ●Twist angle (°): 21-34 ●Tip angle (°): 135 ●Surface treatment: TH coating ●Lubrication type: internal lubrication ●NSB shape ●W margin adopted Material/Finish: ●Carbide