Pro Grade Ten Piece Carbide Square End Mill Set, 3.5mm Diameter, 4mm Shank, 50mm Length, TiSiN Coated Micro Grain, 4 Flutes, HRC55 Milling Bits For Precision CNC Wood Metal Engraving

Ten-Piece TiSiN Carbide Square End Mills for CNC
✔️ 3.5 mm dia, 4 mm shank; 10 mm cut, 50 mm length

These premium TiSiN-coated carbide end mills come in a ten-piece set with square-cut ends and a 4 mm shank, built for precise CNC milling. Ideal for clean slots, pockets, and edges on wood and metal at high speeds.

✅ Cutting diameter: 3.5 mm (0.138 in)
✅ Shank diameter: 4 mm (0.157 in)
✅ Cutting length: 10 mm (0.394 in)
✅ Total length: 50 mm (2.0 in)
✅ Helix angle: 35°
✅ End cut type: square
✅ Coating: TiSiN; micro-grain carbide core ~0.6 µm
✅ Hardness: HRC55
✅ Bending strength: 3900 N/mm2
✅ Applications: slots, keyways, flat surfaces, roughing and finishing

💡 What is a square end mill used for in CNC milling projects? These handy cutters create precise flat-bottom features and square edges on wood and metal. - Creates flat bottoms in pockets and slots on wood or metal
- Finishes straight edges and faces for precise results
- Works well with high-speed milling and TiSiN-coated carbide for durability