Shape A - Eased Brazed Router Bits for Portable profile machines These Vacuum Brazed Router Bits have a M8 threaded ... M10 threaded bolt backed up to fit on any Portable Profile Machine. They may be run by wet with the water rushed ... polishing wheels as POS4, POS5 and POS6.They are excellent for fabrication of marble, granite, reinforced fiber composites, hard rubber, hard plastic ...