Widin Carbide Rib Processing End Mill - 2 Flute Ball Nose (ESRB71204045) - 4mm x 45mm(4mm Shank Dia) A&NF Helix angle: 45° helix optimizes

Helix angle: 45° helix optimizes chip flow and reduces cutting forces

and finishing tasks in aluminum and non-ferrous components

Surface Finish: Uncoated surface to promote chip flow and reduce friction during cutting

and repeatable results across mold and die projects

it reduces tool changes and keeps production moving smoothly

Widin Carbide Rib Processing End Mill - 2 Flute Ball Nose (ESRB71204045) - 4mm x 45mm(4mm Shank Dia) A&NF Helix angle: 45° helix optimizesThe Widin Carbide Rib Processing End Mill, model ESRB71204045, is a precision two flute ball nose end mill designed for rib profiling. With a 4 mm cutting diameter, a 4 mm shank, and a 45 mm overall length, its ideal for engineers, machinists, and hobbyists who need tight rib contours and smooth curves. Carbide construction delivers exceptional durability and wear resistance for extended tool life across aluminum, steel, and other materials. The ball