公制 英制 美制螺纹对照表 螺纹标准手册 常用规格 (公制) M1.2×0.25 M2.5×0.45 M6×0.75 M1.4×0.3 M2.6×0.45 M6×1 M1.6×0.35 M3×0.5 M7×0.75 M1.7×0.25 M3×0.6 M7×1 M1.7×0.35 M3.5×0.6 M8×0.75 M1.8×0.35 M4×0.5 M8×1 M2×0.4 M4×0.7 M8×1.25 M2.2×0.45 M5×0.5 M9×1 M2.3×0.45 M5×0.8 M9×1.25 M10×0.75 M10×1 M10×1.25 M10×1.5 M11×1 M11×1.5 M12×1 M12×1.25 M12×1.5 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 英制管螺纹对照表 英制锥管螺纹对照表 公称直径 螺距