ECP系列针规最小尺寸0.205mm，进位0.01mm的针规套装0.995mm以内的针规，其尺寸刻在塑料盒上1.005mm以上的针规，其尺寸用激光刻印在针规本身上。Φ10以下的单个针规可作为基准针规（0级）使用。根据客户需要，也可制作特殊尺寸的针规。Φ10以上针规可作为标准针规（1级）使用。精度&性能参数：尺寸mm长度mm基准针规标准针规容许公差真圆度圆柱度容许公差真圆度圆柱度0.205…1.49540±0.5μm0.3μm0.15μm±1μm0.8μm1.505…10.0055010.015…15.005---±1.5μm1.3μm硬度均为HRC58以上JIS标准JMAS标准套装编号尺寸mm（进位0.01mm）套装支数ECP-OA-OB0.2050.251…0.4950.5050.5050.515…0.9951.0053151ECP-1A-1B1.0051.015…1.4951.5051.5051.515…1.9952.005ECP-2A-2B2.0052.015…2.4952.5052.5052.515…2.9953.005ECP-3A-3B3.0053.015…3.4953.5053.5053.515…3.9954.005ECP-4A-4B4.0054.015…4.4954.5054.5054.515…4.9955.005ECP-5A-5B5.0055.015…5.4955.5055.5055.515…5.9956.005ECP-6A-6B6.0056.015…6.4956.5056.5056.515…6.9957.005ECP-7A-7B7.0057.015…7.4957.5057.5057.515…7.9958.005ECP-8A-8B8.0058.015…8.4958.5058.5058.515…8.9959.005ECP-9A-9B9.0059.015…9.4959.5059.5059.515…9.99510.005ECP-10A-10B10.00510.015…10.49510.50510.50510.515…10.99511.00551ECP-11A-11B11.00511.015…11.49511.50511.50511.515…11.99512.005ECP-12A-12B12.00512.015…12.49512.50512.50512.515…12.99513.005ECP-13A-13B13.00513.015…13.49513.50513.50513.515…13.99514.005ECP-14A-14B14.00514.015…14.49514.50514.50514.515…14.99515.005