All NAAMS Standards locating pins in APE series, current and discontinued, are offered through Freer Tool & Supply. Any NAAMS code ending with a T has titanium nitride added in and codes ending with R and S is retractable. The length of this series ranges from 52.9mm to 170.1mm and are full metric. They come for slotted holes in 6x12, 8x14, 10x16, 12x18, 13x19, 16x22, 19x25 and 25x31mm. TiN coated pins are made from either A2 or D2 steel, per customer request, and all non-coated pins are made from ANSI 4140 steel. ISO 9001:2015 certification