Advantage: Sharp cutting edge, milling, hole and plate edge, clean surface, neat, no glitches; Suitable material: nylon, resin, ABS, acrylic, PVC, MDF, hardwood ; Application: Perfect for 3D relief sculpturing, cutting, engraving, slotting, milling, etc. Specification: Material: Tungsten Carbide; Hardness: 65HRC; Surface treatment: Nano-blue Coated; Cutting diameter: 3.175mm; Shank diameter: 3.175mm; Cutting length: 17mm; Overall length: 38mm; Type: A: 1 flute flat nose; B: 2 flute flat nose; C: 2 flute ball nose; Quantity: 10pcs. Features: 1. High Precision Material: with sufficient flexural strength and wear resistance, which ensure high work efficiency. Sharp cutting edge, milling, hole and plate edge, clean surface, neat, no glitches; 2. Spiral Upcut Design: the design of 1/2 flutes, larger spiral chip space of CNC router bit makes non-stick crumbs, smooth cutting, and fast chip-removal; 3. Wide Application: suitable for PCB, SMT, CNC, MDF, ABS, PVC, Mold, acrylic, nylon, resin, plastic fiber, carbon fiber, density board, hardwood, plywood, printed circuit board, and other precision parts processing and milling; 4. Abundant Quantity: with 10Pcs a set, it's cost-effective for the CNC makers. Come with a portable plastic case, each is stored in an individual section, the set is easy for storage and carries. Package Included: 10 pcs x End Mill