CNC Router Drilling Bit Milling Cutter for Plastic Acrylic Board for Special Use of Neon LED Sign
6mm Diameter Shank Drilling Bit Milling Cutter for 6mm 8mm 12mm Neon Sign Diffuser
6mm diameter shank for ER11 collet small router
Special drilling bit for 6mm diffuser and 8mm diffuser: drilling depth 4.2mm.
Router setting: End Mill, Spindle Speed: 22000 rpm, Feed Rate: 60%~70%