Our Hardened Steel Insert Washers are made in-house, and used in all our Torque Plate products. 1018/1020 steel precision turned and FPC Hard Nitride coated.

9/16” or 14mm Insert Washers have a 37/64″ (14.5mm) ID, 11/16″ Press Fit diameter (+0.001/+0.003″), and 15/16″ Top Step diameter.  Press register is 0.225″ tall and top step is 0.125″ tall.