Carbide Square End Mill - 4 Flute - 5/16"-4T (5 Piece, 5/16") - for Milling Alloy Steels, Hardened Steel, Metal & More – Mill Bits Sets for DIYers & Professionals

LU&MA is a professional manufacturer for power, hand tool accessories &other hardware products. We are able to supply all kinds of tools parts & accessories including router bits, twist drill bits and various other related items. We are fully committed to providing each customer with good products and excellent service. Our professional customer service representatives will respond within 24 hours if you have any questions, we will be more than happy to help you out. We welcome both new and existing customers to buy our products and enjoy shopping here!

• • Size - 5/16 inch cutting diameter, 13/16 inch cutting Length, 2-1/2 inch for total length.
    
• • Material- Solid Carbide with TiAlN Coated. Type: 4 Flute with squre end.
    
• • We use the highest quality tungsten carbide powders and adjust the ratio of tungsten carbide and cobalt to meet the ideal hardness. It is stable and has excellent wear-resistance of the material. It significantly enhances the tool's lifespan and keeps the end mill sharp. It also helps keep the surface quality of your work-piece at the best level possible.
    
• • General Usage: Applicable with copper, copper alloys, cast iron, steels, carbon steels, alloy steels, pre-hardened steels, hardened steels, and stainless steel materials. Best use for materials HRC less than 50.
    
• • LU&MN End mill bits are compatible with most desktop CNC machines, as well as other industrial CNC machines. Just make sure you select the correct-sized collet for your device.