Tap End Studs (1.5D Engagement) ISO
Dimensions for Tap End Studs (1.5D Engagement)
All dimensions are in mm unless mentioned otherwise
Nominal Size Diameter, D inch | Tap End Full Thread Length, BM | Umax = 2P | Minimum Nut End Full Thread Length, Bmin |
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Nominal | Min. | Max. | UNC & NC-5 Thread | UNF Thread | 8UN Thread | L ≤ 10 | 10 < L ≤ 16 | L > 16 | |
1/4 | 0.375 | 0.350 | 0.400 | 0.100 | 0.071 | ... | 0.750 | 1.000 | 1.500 |
5/16 | 0.469 | 0.440 | 0.498 | 0.111 | 0.083 | -- | 0.875 | 1.125 | 1.625 |
3/8 | 0.563 | 0.532 | 0.594 | 0.125 | 0.083 | -- | 1.000 | 1.250 | 1.750 |
7/16 | 0.656 | 0.620 | 0.692 | 0.143 | 0.100 | -- | 1.125 | 1.375 | 1.875 |
1/2 | 0.750 | 0.708 | 0.792 | 0.154 | 0.100 | -- | 1.250 | 1.500 | 2.000 |
9/16 | 0.844 | 0.802 | 0.896 | 0.167 | 0.111 | -- | 1.375 | 1.625 | 2.125 |
5/8 | 0.938 | 0.892 | 0.983 | 0.182 | 0.111 | -- | 1.500 | 1.750 | 2.250 |
3/4 | 1.1.25 | 1.075 | 1.175 | 0.200 | 0.125 | -- | 1.750 | 2.000 | 2.500 |
7/8 | 1.313 | 1.258 | 1.368 | 0.222 | 0.143 | -- | 2.000 | 2.250 | 2.750 |
1 | 1.500 | 1.438 | 1.562 | 0.250 | 0.167 | -- | 2.250 | 2.500 | 3.000 |
1 1/8 | 1.688 | 1.625 | 1.750 | 0.286 | 0.167 | 0.250 | 2.500 | 2.750 | 3.250 |
1 1/4 | 1.875 | 1.813 | 1.938 | 0.286 | 0.167 | 0.250 | 2.750 | 3.000 | 3.500 |
1 3/8 | 2.063 | 2.000 | 2.125 | 0.333 | 0.167 | 0.250 | 3.000 | 3.250 | 3.750 |
1 1/2 | 2.250 | 2.188 | 2.313 | 0.333 | 0.167 | 0.250 | 3.250 | 3.500 | 4.000 |
1 5/8 | 2.438 | 2.375 | 2.500 | -- | -- | 0.250 | 3.500 | 3.750 | 4.250 |
1 3/4 | 2.625 | 2.563 | 2.688 | 0.400 | -- | 0.250 | 3.750 | 4.000 | 4.500 |
1 7/8 | 2.813 | 2.750 | 2.875 | -- | -- | 0.250 | 4.000 | 4.250 | 4.750 |
2 | 3.000 | 2.925 | 3.075 | 0.444 | -- | 0.250 | 4.250 | 4.500 | 5.000 |
2 1/4 | 3.375 | 3.300 | 3.450 | 0.444 | -- | 0.250 | 4.750 | 5.000 | 5.500 |
2 1/2 | 3.750 | 3.675 | 3.825 | 0.500 | -- | 0.250 | 5.250 | 5.500 | 6.000 |
2 3/4 | 4.125 | 4.050 | 4.200 | 0.500 | -- | 0.250 | 5.750 | 6.000 | 6.500 |
3 | 4.500 | 4.425 | 4.575 | 0.500 | -- | 0.250 | -- | 6.500 | 7.000 |
3 1/4 | 4.875 | 4.775 | 4.975 | 0.500 | -- | 0.250 | -- | 7.000 | 7.500 |
3 1/2 | 5.250 | 5.150 | 5.350 | 0.500 | -- | 0.250 | -- | 7.500 | 8.000 |
3 3/4 | 5.625 | 5.525 | 5.725 | 0.500 | -- | 0.250 | -- | 8.000 | 8.500 |
4 | 6.000 | 5.900 | 6.100 | 0.500 | -- | 0.250 | -- | 8.500 | 9.000 |
Tap End Studs (1.5D Engagement) Metric
Dimensions for Tap End Studs (1.5D Engagement) Metric
All dimensions are in mm unless mentioned otherwise
Nominal Size | Tap End Length, Bm | Nut End Thread Length, B | Umax = 2P | Nominal Length, LT | |||||||
Diameter, D | Pitch, P | L≤ 125 | 125 < L≤ 200 | L> 200 | Range | Increments | |||||
Min | Max | Min | Max | Min | Max | ||||||
M1.6 | 0.35 | 2.1-2.7 | 9.2 | 9.9 | ... | ... | ... | ... | 0.7 | 25-50 | 5 |
M2 | 0.4 | 2.7-3.3 | 10 | 10.8 | ... | ... | ... | ... | 0.8 | 25-50 | 5 |
M2.5 | 0.45 | 3.375-4.125 | 11 | 11.9 | ... | ... | ... | ... | 0.9 | 30-50 | 5 |
M3 | 0.5 | 4.125-4.875 | 12 | 13 | ... | ... | ... | ... | 1 | 30-50 | 5 |
M4 | 0.7 | 5.625-6.375 | 14 | 15.4 | ... | ... | ... | ... | 1.4 | 35-90 | 5 |
M5 | 0.8 | 7.05-7.95 | 16 | 17.6 | ... | ... | ... | ... | 1.6 | 40-90 | 5 |
M6 | 1 | 8.55-9.45 | 18 | 20 | 24 | 26 | ... | ... | 2 | 50-90 | 5 |
100-160 | 10 | ||||||||||
M8 | 1.25 | 11.45-12.55 | 18 | 20.5 | 24 | 26.5 | ... | 2.5 | 50-90 | 5 | |
100-160 | 10 | ||||||||||
≥ 180 | 20 | ||||||||||
M10 | 1.5 | 14.45-15..5 | 26 | 29 | 32 | 35 | 45 | 48 | 3 | 60-160 | 10 |
≥ 180 | 20 | ||||||||||
M12 | 1.75 | 17.45-18.55 | 30 | 33.5 | 36 | 39.5 | 49 | 52.5 | 3.5 | 60-160 | 10 |
≥ 180 | 20 | ||||||||||
M14 | 2 | 20.35-21.65 | 34 | 38 | 40 | 44 | 53 | 57 | 4 | 80-160 | 10 |
≥ 180 | 20 | ||||||||||
M16 | 2 | 23.35-30.65 | 38 | 42 | 44 | 48 | 57 | 61 | 4 | 90-160 | 10 |
≥ 180 | 20 | ||||||||||
M20 | 2.5 | 29.35-30.65 | 46 | 51 | 52 | 57 | 65 | 70 | 5 | 100-160 | 10 |
≥ 180 | 20 | ||||||||||
M24 | 3 | 35.2-36.8 | 54 | 60 | 60 | 66 | 73 | 79 | 6 | 130-160 | 10 |
≥ 180 | 20 | ||||||||||
M30 | 3.5 | 43.75-46.25 | 66 | 73 | 72 | 79 | 85 | 92 | 7 | 150-160 | 10 |
≥ 180 | 20 | ||||||||||
M36 | 4 | 52.5-55.5 | 78 | 86 | 84 | 92 | 97 | 105 | 8 | ≥ 200 | 20 |
M42 | 4.5 | 61.5-64.5 | 90 | 99 | 96 | 105 | 109 | 118 | 9 | ≥ 240 | 20 |
M48 | 5 | 70.5-73.5 | ... | ... | 108 | 118 | 121 | 131 | 10 | ≥ 280 | 20 |
M56 | 5.5 | 82.25-85.75 | ... | ... | 124 | 135 | 137 | 148 | 11 | ≥ 300 | 20 |
M64 | 6 | 94.5-97.5 | ... | ... | 140 | 152 | 153 | 165 | 12 | ≥ 340 | 20 |
M72 | 6 | 106.5-109.5 | ... | ... | 156 | 168 | 169 | 181 | 12 | ≥ 380 | 20 |
M80 | 6 | 118.5-121.5 | ... | ... | 172 | 184 | 185 | 197 | 12 | ≥ 400 | 20 |
M90 | 6 | 133-137 | ... | ... | ... | ... | 205 | 217 | 12 | ≥ 440 | 20 |
M100 | 6 | 148-152 | ... | ... | ... | ... | 225 | 237 | 12 | ≥ 480 | 20 |