区分 | ねじの呼びN | D | 差し口 | 受け口 | |||||
d | l1 | l2 | l3 | L1 | L2 | L3 | |||
許容差 | ±0.2 | +0.2 −0 | +0.2 −0 | +0.2 −0 | ±0.2 | +0.2 −0 | |||
呼称 | |||||||||
150 | 175 | 152.2 | 163 | 31 | 20 | 5 | 23 | 7.5 | 3 |
140 | 165 | 142.2 | 153 | 31 | 20 | 5 | 23 | 7.5 | 3 |
125 | 150 | 128.2 | 139 | 31 | 20 | 5 | 23 | 7.5 | 3 |
115 | 140 | 121.2 | 129 | 31 | 20 | 5 | 23 | 7.5 | 3 |
100 | 122.5 | 105.2 | 113 | 31 | 20 | 5 | 23 | 6.5 | 3 |
90 | 110 | 93.2 | 101 | 31 | 20 | 5 | 23 | 6.5 | 3 |
75 | 95 | 78.2 | 86 | 30 | 20 | 4 | 22 | 6.5 | 2.5 |
65 | 82.5 | 67.2 | 75 | 27 | 18 | 3 | 19 | 6.5 | 2 |
50 | 60 | 49.2 | 55 | 20 | 13.5 | 1.5 | 13 | 5.5 | 1 |
40 | 48 | 38.2 | 43 | 20 | 13.5 | 1.5 | 13 | 5.5 | 1 |
30 | 40 | 30.2 | 35 | 18 | 12 | 1.5 | 12 | 5 | 1 |
25 | 34 | 24.2 | 29 | 16 | 11 | 1.5 | 10 | 4.5 | 1 |
20 | 25 | 17.2 | 21 | 13 | 9 | 1 | 8 | 4 | 1 |
呼称 | ねじの呼び N | ねじ山数(25.4mmにつき) n | ピッチ p | おねじのねじ山の高さ h1 | 丸み r | 山の半角度(度) θ | 有効径 K2 | おねじの外径 (めねじの谷の径) K | おねじの谷の径 (めねじの内径) K1 |
150 | 175 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 170.934 | 175.0 | 166.868 |
140 | 165 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 160.934 | 165.0 | 156.868 |
125 | 150 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 145.934 | 150.0 | 141.868 |
115 | 140 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 135.934 | 140.0 | 131.868 |
100 | 122.5 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 118.434 | 122.5 | 114.368 |
90 | 110 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 105.934 | 110.0 | 101.868 |
75 | 95 | 4 | 6.350 | 4.066 | 0.872 | 27.5 | 90.934 | 95.0 | 86.868 |
65 | 82.5 | 5 | 5.080 | 3.253 | 0.697 | 27.5 | 79.247 | 82.5 | 75.994 |
50 | 60 | 8 | 3.175 | 2.033 | 0.436 | 27.5 | 57.967 | 60.0 | 55.934 |
40 | 48 | 8 | 3.175 | 2.033 | 0.436 | 27.5 | 45.967 | 48.0 | 43.934 |
30 | 40 | 8 | 3.175 | 2.033 | 0.436 | 27.5 | 37.967 | 40.0 | 35.934 |
25 | 34 | 8 | 3.175 | 2.033 | 0.436 | 27.5 | 31.967 | 34.0 | 29.934 |
20 | 25 | 10 | 2.540 | 1.626 | 0.349 | 27.5 | 23.374 | 25.0 | 21.748 |
呼称 | ねじの呼び N | 外径 K | 有効径 K2 | 谷の径 K1 | |||||
丸形 | 平形 | 上の寸法差 | 下の寸法差 | 上の寸法差 | 下の寸法差 | ||||
上の寸法差 | 下の寸法差 | 上の寸法差 | 下の寸法差 | ||||||
150 | 175 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
140 | 165 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
125 | 150 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
115 | 140 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
100 | 122.5 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
90 | 110 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
75 | 95 | −0.08 | −0.86 | −.055 | −0.86 | −0.08 | −0.42 | −0.08 | −0.93 |
65 | 82.5 | −0.08 | −0.73 | −0.46 | −0.73 | −0.08 | −0.38 | −0.08 | −0.79 |
50 | 60 | −0.06 | −0.51 | −0.30 | −0.51 | −0.06 | −0.30 | −0.06 | −0.55 |
40 | 48 | −0.06 | −0.51 | −0.30 | −0.51 | −0.06 | −0.30 | −0.06 | −0.55 |
30 | 40 | −0.06 | −0.51 | −0.30 | −0.51 | −0.06 | −0.30 | −0.06 | −0.55 |
25 | 34 | −0.06 | −0.51 | −0.30 | −0.51 | −0.06 | −0.30 | −0.06 | −0.55 |
20 | 25 | −0.06 | −0.44 | −0.25 | −0.44 | −0.06 | −0.24 | −0.06 | −0.44 |
呼称 | ねじの呼び N | 谷の径 K | 有効径 K2 | 内径 K1 | |||
上の寸法差 | 下の寸法差 | 上の寸法差 | 下の寸法差 | 上の寸法差 | 下の寸法差 | ||
150 | 175 | 規定しない | 規定しない | +0.42 | +0.08 | +1.52 | +1.02 |
140 | 165 | +0.42 | +0.08 | +1.52 | +1.02 | ||
125 | 150 | +0.42 | +0.08 | +1.52 | +1.02 | ||
115 | 140 | +0.42 | +0.08 | +1.52 | +1.02 | ||
100 | 122.5 | +0.42 | +0.08 | +1.52 | +1.02 | ||
90 | 110 | +0.42 | +0.08 | +1.52 | +1.02 | ||
75 | 95 | +0.42 | +0.08 | +1.52 | +1.02 | ||
65 | 82.5 | +0.38 | +0.08 | +1.30 | +0.84 | ||
50 | 60 | +0.30 | +0.06 | +0.90 | +0.54 | ||
40 | 48 | +0.30 | +0.06 | +0.90 | +0.54 | ||
30 | 40 | +0.30 | +0.06 | +0.90 | +0.54 | ||
25 | 34 | +0.30 | +0.06 | +0.90 | +0.54 | ||
20 | 25 | +0.24 | +0.06 | +0.63 | +0.44 |