External Metric Thread Chart — Limiting Dimensions for M Profile

External Metric Thread Chart — Limiting Dimensions for M Profile

Measured in Inches
Metric Thread SizePitch, PTolerance ClassMajor Dia., dPitch Dia., d2Max. Minor Diameter (Flat Form) d1Min. Minor Diameter (Rounded Form) d3
max.min.max.min.
M1.60.356g1.5811.4961.3541.2911.2021.075
M1.60.356h1.61.5151.3731.311.2211.094
M1.60.354g6g1.5811.4961.3541.3141.2021.098
M20.46g1.9811.8861.7211.6541.5481.408
M20.46h21.9051.741.6731.5671.427
M20.44g6g1.9811.8861.7211.6791.5481.433
M2.50.456g2.482.382.1882.1171.9931.84
M2.50.456h2.52.42.2082.1372.0131.86
M2.50.454g6g2.482.382.1882.1431.9931.866
M30.56g2.982.8742.6552.582.4382.272
M30.56h32.8942.6752.62.4582.292
M30.54g6g2.982.8742.6552.6072.4382.299
M3.50.66g3.4793.3543.0893.0042.8292.634
M3.50.66h3.53.3753.113.0252.852.655
M3.50.64g6g3.4793.3543.0893.0362.8292.666
M40.76g3.9783.8383.5233.4333.223.002
M40.76h43.863.5453.4553.2423.024
M40.74g6g3.9783.8383.5233.4673.223.036
M50.86g4.9764.8264.4564.3614.113.868
M50.86h54.854.484.3854.1343.892
M50.84g6g4.9764.8264.4564.3964.113.903
M616g5.9745.7945.3245.2124.8914.596
M616h65.825.355.2384.9174.622
M614g6g5.9745.7945.3245.2534.8914.637
M81.256g7.9727.767.167.0426.6196.272
M81.256h87.7887.1887.076.6476.3
M81.254g6g7.9727.767.167.0856.6196.315
M816g7.9747.7947.3247.2126.8916.596
M816h87.827.357.2386.9176.622
M814g6g7.9747.7947.3247.2536.8916.637
M101.56g9.9689.7328.9948.8628.3447.938
M101.56h109.7649.0268.8948.3767.97
M101.54g6g9.9689.7328.9948.9098.3447.985
M101.256g9.9729.769.169.0428.6198.272
M101.256h109.7889.1889.078.6478.3
M101.254g6g9.9729.769.169.0858.6198.315
M1016g9.9749.7949.3249.2128.8918.596
M1016h109.829.359.2388.9178.622
M1014g6g9.9749.7949.3249.2538.8918.637
M100.756g9.9789.8389.4919.3919.1668.929
M100.756h109.869.5139.4139.1888.951
M100.754g6g9.9789.8389.4919.4289.1668.966
M121.756g11.96611.70110.82910.67910.0719.601
M121.756h1211.73510.86310.71310.1059.635
M121.754g6g11.96611.70110.82910.73410.0719.656
M121.56g11.96811.73210.99410.85410.3449.93
M121.56h1211.76411.02610.88610.3769.962
M121.54g6g11.96811.73210.99410.90410.3449.98
M121.256g11.97211.7611.1611.02810.61910.258
M121.256h1211.78811.18811.05610.64710.286
M121.254g6g11.97211.7611.1611.07510.61910.305
M1216g11.97411.79411.32411.20610.89110.59
M1216h1211.8211.3511.23210.91710.616
M1214g6g11.97411.79411.32411.24910.89110.633
M1426g13.96213.68212.66312.50311.79711.271
M1426h1413.7212.70112.54111.83511.309
M1424g6g13.96213.68212.66312.56311.79711.331
M141.56g13.96813.73212.99412.85412.34411.93
M141.56h1413.76413.02612.88612.37611.962
M141.54g6g13.96813.73212.99412.90412.34411.98
M1516g14.97414.79414.32414.20613.89113.59
M1516h1514.8214.3514.23213.91713.616
M1514g6g14.97414.79414.32414.24913.89113.633
M1626g15.96215.68214.66314.50313.79713.271
M1626h1615.7214.70114.54113.83513.309
M1624g6g15.96215.68214.66314.56313.79713.331
M161.56g15.96815.73214.99414.85414.34413.93
M161.56h1615.76415.02614.88614.37613.962
M161.54g6g15.96815.73214.99414.90414.34413.98
M1716g16.97416.79416.32416.20615.89115.59
M1716h1716.8216.3516.23215.91715.616
M1714g6g16.97416.79416.32416.24915.89115.633
M181.56g17.96817.73216.99416.85416.34415.93
M181.56h1817.76417.02616.88616.37615.962
M181.54g6g17.96817.73216.99416.90416.34415.98
M202.56g19.95819.62318.33418.16417.25116.624
M202.56h2019.66518.37618.20617.29316.666
M202.54g6g19.95819.62318.33418.22817.25116.688
M201.56g19.96819.73218.99418.85418.34417.93
M201.56h2019.76419.02618.88618.37617.962
M201.54g6g19.96819.73218.99418.90418.34417.98
M2016g19.97419.79419.32419.20618.89118.59
M2016h2019.8219.3519.23218.91718.616
M2014g6g19.97419.79419.32419.24918.89118.633
M222.56g21.95821.62320.33420.16419.25118.624
M222.56h2221.66520.37620.20619.29318.666
M221.56g21.96821.73220.99420.85420.34419.93
M221.56h2221.76421.02620.88620.37619.962
M221.54g6g21.96821.73220.99420.90420.34419.98
M2436g23.95223.57722.00321.80320.70419.955
M2436h2423.62522.05121.85120.75220.003
M2434g6g23.95223.57722.00321.87820.70420.03
M2426g23.96223.68222.66322.49321.79721.261
M2426h2423.7222.70122.53121.83521.299
M2424g6g23.96223.68222.66322.55721.79721.325
M251.56g24.96824.73223.99423.84423.34422.92
M251.56h2524.76424.02623.87623.37622.952
M251.54g6g24.96824.73223.99423.89923.34422.975
M2736g26.95226.57725.00324.80323.70422.955
M2736h2726.62525.05124.85123.75223.003
M2726g26.96226.68225.66325.49324.79724.261
M2726h2726.7225.70125.53124.83524.299
M2724g6g26.96226.68225.66325.55724.79724.325
M303.56g29.94729.52227.67427.46226.15825.306
M303.56h3029.57527.72727.51526.21125.359
M303.54g6g29.94729.52227.67427.54226.15825.386
M3026g29.96229.68228.66328.49327.79727.261
M3026h3029.7228.70128.53127.83527.299
M3024g6g29.96229.68228.66328.55727.79727.325
M301.56g29.96829.73228.99428.84428.34427.92
M301.56h3029.76429.02628.87628.37627.952
M301.54g6g29.96829.73228.99428.89928.34427.975
M3326g32.96232.68231.66331.49330.79730.261
M3326h3332.7231.70131.53130.83530.299
M3324g6g32.96232.68231.66331.55730.79730.325
M351.56g34.96834.73233.99433.84433.34432.92
M351.56h3534.76434.02633.87633.37632.952
M3646g35.9435.46533.34233.11831.6130.654
M3646h3635.52533.40233.17831.6730.714
M3644g6g35.9435.46533.34233.20231.6130.738
M3626g35.96235.68234.66334.49333.79733.261
M3626h3635.7234.70134.53133.83533.299
M3624g6g35.96235.68234.66334.55733.79733.325
M3926g38.96238.68237.66337.49336.79736.261
M3926h3938.7237.70137.53136.83536.299
M3924g6g38.96238.68237.66337.55736.79736.325
M401.56g39.96839.73238.99438.84438.34437.92
M401.56h4039.76439.02638.87638.37637.952
M401.54g6g39.96839.73238.99438.89938.34437.975

Weights are in kilograms per 1,000 pieces unless otherwise specified. All weights are approximations and strictly informative.