5/16" HSS End Mill 8mm Cutting Dia 8MM Shank Dia Extra Long Straight Shank End Mill Bit, 4 Flute High Speed Steel Milling Cutter for Wood, Steel,

5/16" HSS End Mill 8mm Cutting Dia 8MM Shank Dia Extra Long Straight Shank End Mill Bit, 4 Flute High Speed Steel Milling Cutter for Wood, Steel,

Vertical Milling Cutter with Super-Hard Handle, Forged with High-Speed Steel, Quenched at High Temperature, Precision Grinding. Selected High Speed Steel, High Hardness, Wear Resistance, High Strength, Good Toughness and Heat Resistance. Sharp Cutting Edge, Smooth Cutting, Several Times The Cutting Effect, Smooth and Burr Free Cutting Material. Four-Tooth Design Makes The Milling Cutter More Wear-Resistant and Reduces Product Burrs During Processing. Various Specifications, Hard and Firm, Smooth Cutting, Surface Hardness Up to HRC62-66 Degrees. Material: 6542 Aluminium-Bearing High Speed Steel, Enlarged Screw Groove, Large Screw Debris Removal Groove with Good Surface Finish, No Debris Accumulation, Handles Chamfered Layout Armor Is Easier to Design Smoothly.Processing Material: Iron, Copper, Aluminum, Plastic, Etc.