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タップ下穴表

タップ下穴表

メートルねじ下穴ドリル径表

呼 び 径下 穴 径 (㎜)呼 び 径下 穴 径 (㎜)呼 び 径下 穴 径 (㎜)
MAXMINMAXMINMAXMIN
M1.4X0.31.1421.075M5x0.84.334.13M18x216.2115.84
M1.4x0.21.221.18M5x0.54.604.46M18x1.516.6816.38
M1.6x0.351.321.22M6x15.154.92M18x117.1516.92
M1.6x0.21.421.38M6x0.755.385.19M20x2.517.7417.29
M1.7x0.351.421.32M6x0.55.555.40M20x218.2117.84
M1.7x0.21.501.46M8x1.256.916.65M20x1.518.6818.38
M1.8x0.351.521.42M8x17.156.92M20x119.1518.92
M1.8x0.21.621.58M8x0.757.387.19M22x220.2119.84
M2X0.41.681.57M8x0.57.527.40M22x1.520.6820.38
M2x0.251.791.73M10x1.58.688.38M22x121.1520.92
M2.2x0.451.841.71M10x1.258.918.65M24x321.2520.75
M2.2x0.251.991.93M10x19.158.92M24x222.2121.84
M2.3x0.41.981.87M10x0.759.389.19M24x1.522.6822.38
M2.3x0.252.062.00M10x0.59.529.40M24x123.1522.92
M2.5x0.452.142.01M12x1.7510.4410.11M25x223.2122.84
M2.5x0.352.222.12M12x1.510.6810.38M25x1.523.6823.38
M2.6x0.452.242.11M12x1.2510.9110.65M25x124.1523.92
M2.6x0.352.252.19M12x111.1510.92M26x1.524.6824.38
M3x0.52.602.46M12x0.511.5211.40M27x324.2523.75
M3x0.352.722.62M14x212.2111.84M27x225.2124.84
M3.5x0.63.012.85M14x1.512.6812.38M28x226.2125.84
M3.5x0.353.223.12M14x113.1512.92M28x1.526.6826.38
M4x0.73.423.24M16x214.2113.84M30x3.526.7726.21
M4x0.53.603.46M16x1.514.6814.38M30x327.2526.75
M4.5x0.753.883.69M16x115.1514.92M30x228.2127.84
M4.5x0.54.103.96M18x2.515.7415.29M32x230.2129.84

インチねじ下穴ドリル径表

ウィットねじ管用テーパーねじ管用ストレートねじ
呼 び 径下 穴 径(㎜)呼 び 径下 穴 径(㎜)呼 び 径下 穴 径(㎜)
MAXMINMAXMINMAXMIN
1/8w402.442.52PT1/8-288.208.18PS1/8-288.648.50
1/4w205.15.0PT1/4-1910.9611.17PS1/4-1911.5511.34
3/8w168.07.9PT3/8-1914.4514.66PS3/8-1815.0514.85
1/2w1210.710.5PT1/2-1417.97918.26PS1/2-1418.7718.49
3/4w1016.716.5PT3/4-1423.3823.66PS3/4-1424.2623.98
1w822.422.0PT1-1129.4629.82PS1-1130.4730.11

タフレット(盛上げタップ)下穴ドリル径表

呼 び 径下 穴 径 (㎜)呼 び 径下 穴 径 (㎜)呼 び 径下 穴 径 (㎜)
MAXMINMAXMINMAXMIN
M2x0.41.841.79M5x0.84.674.59M12x1.7511.2311.09
M2.6x0.452.442.37M6x15.595.49M14x213.1412.98
M3x0.52.822.75M8x1.257.497.36M16x215.1414.97
M4x0.73.723.65M10x1.59.349.22M18x2.516.9316.73

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