日本英制螺纹规/英制螺纹规
常用规格 (美制)
0-80UNF 5-40UNC 10-32UNF 5/16″-32UNEF
1-64UNC 5-44UNV 12-24UNC 3/8″-16UNC
1-72UNF 6-32UNC 12-28UNF 3/8″-24UNF
2-56UNC 6-40UNF 12-32UNEF 3/8″-32UNEF
2-64UNF 5/32″-32UNC 1/4″-20UNC 7/16″-14UNC
3-48UNC 8-32UNC 1/4″-28UNF 7/16″-20UNF
3-56UNF 8-36UNF 1/4″-32UNEF 7/16″-28UNEF
4-40UNC 3/16″-24UNC 5/16″-18UNC 1/2″-13UNC
4-48UNF 10-24UNC 5/16″-24UNF 1/2″-20UNF
常用规格 (英制)
1/8″-40 1/2″-12 1″-8 2″-4.5
5/32″-32 9/16″-12 1-1/8″-7 2-1/8″-4
3/16″-24 5/8″-11 1-1/4″-7 2-1/4″-4
7/32″-24 11/16″-11 1-3/8″-6 2-1/2″-4
1/4″-20 3/4″-16 1-1/2″-6 2-3/4″-4
5/16″-18 13/16″-10 1-5/8″-5 3-1/4″-4
3/8″-16 7/8″-9 1-1/4″-5 3-1/2″-4
7/16″-14 15/16″-9 1-7/8″-4.5 3-3/4″-4
4″-4