规格型号Thread卡紧范围
mm螺纹外径
C1   mm螺纹长度
C2   mm扳手径
A & F  mm包装单位pcsM12 X 1.55.5 ~ 312  8.518/15106.8 ~ 412 8.518/1510M16 X 1.57 ~ 416  1022/221010 ~ 6.416  1022/2210M20 X 1.58.8 ~ 5 20  9.524/241011 ~ 720  1027/271011.5 ~ 6  20  9.524/241013 ~ 820  1027/2710M25 X 1.515.8 ~ 12 25  1033/3310M12 X 1.55.5 ~ 312  1518/19108 ~ 412 1518/1910M16 X 1.57 ~ 4161522/221010 ~ 6.4161522/2210M20 X 1.58.8 ~ 5201524/241011 ~ 7201527/271011.5 ~ 6 201524/241013 ~ 8201527/2310M25 X 1.515.8 ~ 12251533/3310PG 75.5 ~ 312.5817/15106.8 ~ 412.5817/15106.5 ~ 312.51517/1510PG 95.5 ~ 315.28.522/19108 ~ 415.28.522/19108 ~ 415.21522/1910PG 117 ~ 418.6924/221010 ~ 6.418.6924/221010 ~ 518.61524/2410PG 13.58.8 ~ 5 20.41027/241011.5 ~ 6  20.41027/241012 ~ 620.41527/2410PG 1611 ~ 722.51030/271013 ~ 822.51030/271014 ~ 1022.51530/2710PG 2115.8 ~ 12 28.31236/331018 ~ 13 28.31536/3310