... ,Fiberboard,carbon plate,MDF,Acrylic Radius Bottom Engraving Bits Material: Tungsten solidOverall Length: 40- ... ° , can be non-standard customization. Processing features: Font carving, v-groove, three-dimensional clearance angle, chamfer, v-type ... cutting edge smooth and translucent. Applicable to machine tools: Advertising engraving machine, engraving machine, CNC machining centers. Such as the U. ...