BB Carbide Reamer Internal Cooling Coated Tungsten Steel Spiral Flute H7 CNC Machine Hole Drilling Tool for Metal Steel Alloy

BB Pro Reamer with Internal Cooling Polished Cutting Edge High Smoothness Fine grinding of the blade edge makes the tool smoother and the reamed hole brighter. Internal Cooling Spray Water Bottom Water Outlet Hole Higher machining accuracy, good surface finish, uniform heat dissipation, improve the service life of tools and operational safety Applicable Materials：Aluminum Alloy/Die-Casting Aluminum/ Stainless Steel/Carbon Steel/Cast Iron/Pre-Hardened Steel etc. Large Chip Removal Volume Smooth Cutting The large-capacity chip removal groove provides powerful cutting, making chip removal more efficient, effectively preventing chip accumulation residue, fast drilling speed, improving processing efficiency High-Quality Raw Materials Solid Carbide Steel The raw material of cemented carbide has carbide grains between 0.2 and 10 micrometers, exhibiting high heat resistance, high hardness, and high wear resistance. Straight Handle Design Accurate Use Tail anti-slip design, close to the chuck; holds tighter without slipping.