CNC tool holder straight grain Knurling Knife Steel Lathe Tool Holder Hob

The straight knurling tool is used to press straight-line patterns onto metal or other material surfaces, commonly applied in mechanical parts, tool handles, and other scenarios requiring anti-slip or aesthetic finishes. Typically made of high-hardness alloy, it is suitable for lathe or manual operations, efficiently creating uniform straight knurling effects on workpieces.