EISEN,日本艾森,日本爱森,日本EISEN,公制螺纹规,公制螺纹塞规,公制螺纹环规,美制螺纹规,美制螺纹塞规,美制螺纹环规，
UNC螺纹规,UN螺纹规,UNE螺纹规,统一螺纹规,英制螺纹规,英制螺纹塞规,英制螺纹环规,G螺纹规,G螺纹塞规,G螺纹环规,
圆柱管螺纹规,管螺纹塞规,管螺纹环规,日标螺纹规,PF螺纹规,PF螺纹塞规,PF螺纹环规,圆锥管螺纹规,锥管螺纹塞规,
锥管螺纹环规,Rc螺纹规,Rc螺纹塞规,Rc螺纹环规,螺纹通止规,牙规,检规,环牙规,钨钢螺纹规,钨钢螺纹塞规,钨钢螺纹环规,
钨钢螺纹通止规,陶瓷螺纹规,陶瓷螺纹塞规,陶瓷螺纹环规,硬质合金螺纹规,硬质合金螺纹塞规,硬质合金螺纹环规,螺纹针规,
螺纹定位规,螺纹位置规,螺丝测量规,
No. 0-80UNC,No. 0-GPIP2B,No. 0-GPWP2B,No. 1-64UNC,No. 1-72UNF,No. 1-GPIP2B,No. 1-GPWP2B,No. 2-56UNC,No. 2-64UNF,No. 2-GPIP2B,No. 2-GPWP2B,
No. 3-48UNC,No. 3-56UNF,No. 3-GPIP2B,No. 3-GPWP2B,No. 4-40UNC,No. 4-48UNF,No. 4-GPIP2B,No. 4-GPWP2B,
No. 5-40UNC,No. 5-44UNF,No. 5-GPIP2B,No. 5-GPWP2B,No. 6-32UNC,No. 6-40UNF,No. 6-GPIP2B,No. 6-GPWP2B,
No. 8-32UNC,No. 8-36UNF,No. 8-GPIP2B,No. 8-GPWP2B,No.10-24UNC,No.10-32UNF,No.10-GPIP2B,No.10-GPWP2B,
No.12-24UNC,No.12-28UNF,No.12-GPIP2B,No.12-GPWP2B,1/4-20UNC,1/4-28UNF,1/4-32UNEF,1/4-GPIP2B,1/4-GPWP2B,
5/16-18UNC,5/16-24UNF,5/16-32UNEF,5/16-GPIP2B,5/16-GPWP2B,5/16-20UN,5/16-28UN,3/8-16UNC,3/8-24UNF,3/8-32UNEF,3/8-20UN,3/8-28UN,3/8-GPIP2B,3/8-GPWP2B,
7/16-14UNC,7/16-20UNF,7/16-28UNEF,7/16-16UN,7/16-32UN,7/16-GPIP2B,7/16-GPWP2B,1/2-13UNC,1/2-20UNF,1/2-28UNEF,1/2-16UN,1/2-32UN,1/2-GPIP2B,1/2-GPWP2B,
9/16-12UNC,9/16-18UNF,9/16-24UNEF,9/16-16UN,9/16-20UN,9/16-28UN,9/16-32UN,9/16-GPIP2B,9/16-GPWP2B,
5/8-11UNC,5/8-18UNF,5/8-24UNEF,5/8-12UN,5/8-16UN,5/8-20UN,5/8-28UN,5/8-32UN,5/8-GPIP2B,5/8-GPWP2B ,
11/16-24UNEF,11/16-12UN,11/16-16UN,11/16-20UN,11/16 -28UN,11/16-32UN,11/16-GPIP2B,11/16-GPWP2B,
3/4-10UNC,3/4-16UNF,3/4-20UNEF,3/4-12UN,3/4-GPIP2B,3/4-GPWP2B,13/16-20UNEF,13/16-12UN,13/16-16UN,13/16-28UN,3/16-32UN,13/16-GPIP2B,13/16-GPWP2B,
7/8-9UNC,7/8-14UNF,7/8-20UNEF,7/8-12UN,7/8-16UN,7/8-28UN,7/8-32UN,7/8-GPIP2B,7/8-GPWP2B,
15/16-20UNEF,15/16-12UN,15/16-16UN,15/16-28UN,15/1632UN,15/16-GPIP2B,15/16-GPWP2B,
1-8UNC,1-12UNF,1-20UNF,1-16UN,1-28UN,1-32UN,1-GPIP2B,1-GPWP2B,1 1/16-18UNEF,1 1/16-8UN,1 1/16 -12UN,1 1/16-16UN,1 1/16-20UN,1 1/16-28UN,1 1/16-GPIP2B,1 1/16GPWP2B,
No. 0-80UNC,No. 0-GRIR2A,No. 0-GRWR2A,
No. 1-64UNC,No. 1-72UNF,No. 1 -GRIR2A,No. 1-GRWR2A, ,No. 2-56UNC,No. 2-64UNF,No. 2-GRIR2A,No. 2-GRWR2A,
No. 3-48UNC,No. 3-56UNF,No. 3-GRIR2A,No. 3-GRWR2A,No. 4-40UNC,No. 4-48UNF,No. 4-GRIR2A,No.-GRWR2A,
No. 5-40UNC,No. 5-44UNF,No. 5-GRIR2A,No. 5-GRWR2A,No. 6-32UNC,No. 6-40UNF,No. 6-GRIR2A,No. 6-GRWR2A,
No. 8-32UNC,No. 8-36UNF,No. 8-GRIR2A,No. 8-GRWR2A,No.10-24UNC,No.10-32UNF,No.10-GRIR2A,No.10-GRWR2A,
No.12-24UNC,No.12-28UNF,No.12-GRIR2A,No.12-GRWR2A,1/4-20UNC,1/4-28UNF,1/4-32UNEF,1/4-GRIR2A,1/4-GRWR2A,
3/8-16UNC,3/8-24UNF,3/8-32UNEF,3/8-20UN,3/8-28UN,3/8-GRIR2A,3/8-GRWR2A,
5/16-18UNC,5/16-24UNF,5/16-32UNEF,5/16-20UN,5/16-28UN,5/16-GRIR2A,5/16-GRWR2A,
7/16-14UNC,7/16-20UNF,7/16-28UNEF,7/16-16UN,7/16-32UN,7/16-GRIR2A,7/16-GRWR2A,
1/2-13UNC,1/2-20UNF,1/2-28UNEF,1/2-16UN,1/2-32UN,1/2-GRIR2A,1/2-GRWR2A,
9/16-12UNC,9/16-18UNF,9/16-24UNEF,9/16-16UN,9/16-20UN,9/16-28UN,9/16-32UN,9/16-GRIR2A,9/16-GRWR2A,
5/8-11UNC,5/8-18UNF,5/8-24UNEF,5/8-12UN,5/8-16UN,5/8-20UN,5/8-28UN,5/8-32UN,5/8-GRIR2A, 5/8-GRWR2A,
11/16-24UNEF,11/16-12UN,11/16-16UN,11/16-20UN,11/16 -28UN,11/16-32UN,11/16-GRIR2A,11/16-GRWR2A,
3/4-10UNC,3/4-16UNF,3/4-20UNEF,3/4-12UN,3/4-GRIR2A,3/4-GRWR2A,
13/16-20UNEF,13/16-12UN,13/16-16UN,13/16-28UN,3/16-32UN,13/16-GRIR2A,13/16-GRWR2A,
7/8-9UNC,7/8-14UNF,7/8-20UNEF,7/8-12UN,7/8-16UN,7/8-28UN,7/8-32UN,7/8-GRIR2A,7/8-GRWR2A,
15/16-20UNEF,15/16-12UN,15/16-16UN,15/16-28UN,15/1632UN,15/16-GRIR2A,15/16-GRWR2A,
1-8UNC,1-12UNF,1-20UNF,1-16UN,1-28UN,1-32UN,1-GRIR2A,1-GRWR2A1,