High-quality materials: The straight flute end mill is made of high-speed steel with high hardness, wear resistance and long service life, and the cutting edges are very sharp. Unique design: The straight double groove end mill has a sharp cutting edge, can provide a smooth cutting surface and chip clearance, you can easily and quickly cut, engrave, chip. Efficient performance: The cutting performance ensures high working efficiency. Special non-ferrous metals can be roughed, and the processing efficiency is very high. Widely used: The straight flute end mills are not only used for CNC engraving of MDF materials, but also for MDF chipboard, PVC, resin, acrylic, hardwood and resin, etc. Package Includes: The blade diameter of the straight end mill is 3.175mm, the blade length is 17mm, suitable for milling machine or CNC cutting machine, there are 10 pieces straight end mills for your replacement and long-term use. Specifications: Product Type: Double-Edged Straight End Mill Material: High Speed Steel Size: 3.175x17mm/0.12x0.67inch Color: Silver Quantity: 10pcs Feature: The straight flute end mill is made of high speed steel with high hardness, wear resistance and long service life, and the cutting edges are very sharp. These engraving bits have sufficient bending strength and wear resistance, suitable for precision engraving of various materials. These end mills can cut, engrave, remove chips fluently and create a smooth cutting surface. The cutting performance ensures high working efficiency. Straight flute end mills can be used on woodworking engraving machines, CNC milling cutters and many other engraving machines. Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Due to different personal measurement techniques, there may be a physical error of 1-5 mm. Thank you! Package includes: 10 Piece Double Edge Straight Milling Cutter