Mitee-Bite? M12 x1.75 Thread Modular XYZ Xpansion? Pin 17-4PH Stainless. Machinable 10.5mm - 12mm Diameter. MITEE-BITE Products releases the new Modular XYZ Xpansion? Pins for Tombstone, Grid Plate and Fixture Plate applications. The unique, patent pending design provides accurate location, repeatability and high holding forces for securing parts on the inside diameter. The XYZ Pin provides ?out of the way workholding? and accessibility to all work surfaces with absolutely no external clamping interference. The Threaded Pin is available in standard sizes of 1/2, 5/8, M12 and M16 for tombstones and grid plates. The Press Fit Pins are available in 1/4, 3/8, 1/2, 5/8, M6, M10, M12 and M16 diameters for custom applications. Both styles of the pins are manufactured from ?heat treatable? 17-4PH stainless steel. The Press Fit Pins are now also available in 12L14 mild steel. The Pins expand up to 0.030\