メートル並目ネジ
ねじの呼び ピッチ １級 ２級 ３級
M2 0.4 1.71-1.73 1.67-1.70 1.64-1.68
M2.3 0.4 2.01-2.03 1.97-2.00 1.94-1.98
M2.6 0.45 2.27-2.29 2.23-2.26 2.2L-2.25
M3 0.5 2.64-2.66 2.60-2.63 -
M3.5 0.6 3.08-3.10 3.03-3.06 3.00-3.05
M4 0.7 3.51-3.54 3.45-3.49 -
M4.5 0.75 3.98-4.01 3.92-3.96 3.88-3.94
M5 0.8 4.44-4.47 4.38-4.43 4.33-4.40
M6 1 5.31-5.34 5.25-5.30 5.21-5.28
M7 1 6.31-6.34 6.25-6.30 6.21-6.28
M8 1.25 7.14-7.18 7.07-7.12 7.03-7.10
M9 1.25 8.14-8.18 8.07-8.12 8.03-8.10
M10 1.5 8.99-9.03 8.91-8.97 8.86-8.94
M11 1.5 9.98-10.02 9.91-9.97 9.86-9.94
M12 1.75 10.82-10.86 10.73-10.79 10.69-10.77
M14 2 12.65-12.70 12.56-12.63 12.52-12.61
M16 2 14.65-14.70 14.56-14.63 14.52-14.61
M18 2.5 16.33-16.38 16.23-16.31 16.17-16.28
M20 2.5 18.33-18.38 18.23-18.31 18.17-18.28
M22 2.5 20.33-20.38 20.23-20.31 20.17-20.28
M24 3 22.01-22.07 21.90-21.98 21.85-21.96
M27 3 25.00-25.03 24.89-24.98 24.84-24.95
M30 3.5 27.68-27.75 27.56-27.66 27.50-27.63
M33 3.5 30.68-30.74 30.56-30.65 30.50-30.62
M36 4 33.37-33.43 33.23-33.33 33.16-33.29
M39 4 43-36.36-36 36.22-36.32 36.11-36.27
M42 4.5 39.04-39.11 38.90-39.01 38.82-38.97
M45 4.5 42.04-42.11 41.90-42.00 41.82-41.96
ねじの呼び ピッチ 等級
メートル細目ネジ

ねじの呼び ピッチ １級 ２級 ３級 M4 0.5 4.13-4.16 4.07-4.11 4.07-4.11 M4.5 0.5 2.01-2.03 1.97-2.00 1.94-1.98 M5 0.5 4.63-4.66 4.57-4.61 4.55-4.60 M6 0.75 5.47-5.50 5.41-5.45 5.38-5.44 M7 0.75 6.47-6.50 6.41-6.45 6.38-6.44 M8 1 7.30-7.33 7.24-7.29 7.20-7.27 M9 1 8.30-8.33 8.24-8.29 8.20-8.27 M10 1.25 9.14-9.18 9.07-9.12 9.03-9.10 M10 1 9.30-9.33 9.23-9.28 9.19-9.26 M12 1.5 10.97-11.01 10.89-10.95 10.85-10.93 M12 1.25 11.13-11.17 11.06-11.12 10.98-11.08 M14 1.5 12.97-13.01 12.89-12.95 12.85-12.93 M16 1.5 14-97-15.01 14.89-14.59 14.85-14.93 M18 2 16.65-16.70 16.54-16.62 16.48-16.59 M18 1.5 16.96-17.01 16.86-16.93 16.81-16.91 M20 2 18.65-18.70 18.54-18.62 18.48-18.59 M20 1.5 18.95-19.00 18.85-18.92 18.80-18.90 M22 1.5 20.95-21.00 20.85-20.92 20.80-20.90 M24 1.5 22.95-23.00 20.85-20.92 22.80-20.90 M26 1.5 24.95-25.00 24.85-24.93 24.80-24.90 M27 1.5 25.95-26.00 25.85-25.93 25.80-25.90 M28 1.5 26.95-27.00 26.85-26.93 26.80-26.90 M30 1.5 28.95-29.00 28.85-28.93 28.80-28.90 M30 1.5 27.68-27.75 27.56-27.66 27.50-27.63 M32 1.5 30.95-31.00 30.85-30.93 30.80-30.90 M33 1.5 31.95-32.00 31.85-31.93 31.79-31.90 M35 1.5 33.95-34.00 33.85-33.93 33.79-33.90 M36 1.5 34.95-35.00 34.85-34.93 34.79-34.90