Solid Carbide Roughing Spiral Bit for Composite Materials, Multi-Flute

Special grade solid carbide bits feature unique grinding and multi spiral flute design. Suitable for 'roughing' cuts in hard and abrasive composite materials such as: carbon fiber, Trespa,® fiberglass, etc. Special grade carbide for maximum durability. Down-Cut for better clamping when machining small work pieces and improved finish on the top of the board.