We offer all NAAMS Standards respot pins in the ARP series, current and discontinued, with part numbers ARP061M through ARP259RT. Round hole diameters for the respot pins come in 6, 8, 10, 12, 13, 16, 19, and 25mm. All NAAMS codes ending with a T has titanium nitride added in and codes ending with an R is retractable. You can browse through the pins or click on the corresponding NAAMS code to get to the proper product page. 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