Kasings Phonograph Needle Stylus Replacement. Phonograph Needle Stylus Replacement For ORTOFON VMS10E MKII VMS20E MKI VMS20E MKII M15E SUPER VMS30EMKII MF-15S Chamfered round shank provides easier clamping and stable working process. Wide Applications Suitable for polishing jade, amber, stone, beeswax, glass etc. Combined with the material to be processed, select an appropriate feed rate and cutting speed to improve the tool life and obtain better processing accuracy and performance. Spherical diameter is about 1mm-1.5mm smaller than the head diameter. The recommended speed is 2000-3000 rpm/min, for general purpose grinding. Mounted Point: Head diameter: 50mm / 1.97 (spherical diameter is about 1mm-1.5mm smaller than the head diameter.); shank diameter: 6mm / 0.24; grits: 100 (coarse grit); head shape: spherical, concave (the concave arc is smaller than a semicircle.). Uxcell 50mm 100 Grits Diamond Mounted Point Spherical Concave Head Bead Grinding Bit Concave Diamond Bit 1pc Diamond Mounted Point 20-50mm Head Diameter Glass Grinder Bits Easy to Use Can be used on bench drills, hand drills (not included here). Lubricant Always use lubricant (water or cutting fluid) to cool the workpiece when the grinding bit is working. Tips: Always use lubricant (water or cutting fluid) to cool the workpiece when the grinding bit is working. 12mm Diamond Grinding Mounted Point · 100 Grits Coarse Grinding Bit · Suitable for polishing jade, amber, stone, beeswax, glass · Can be used on bench drills, hand... Wide Applications: Suitable for polishing jade, amber, stone, beeswax, glass etc. The recommended speed is 2000-3000 rpm/min, for general purpose grinding in wide ranges of applications. Produce clean and accurate spherical beads in minutes with little or no chipping.