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A wide variety of standard and configurable components for factory automation engineers in industries such as automotive, semiconductor, packaging, medical and many more.
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Standard profiles applied to tapered male threads and tapered female threads
Standard profile applied to parallel female thread
Tapered male thread fitting with tapered female thread and parallel female thread
Nominal thread size (1) | Screw thread | Standard diameter | Standard diameter position | Tolerance of D, D2, and D1 in parallel female threads | Length of effective thread section (minimum) | Dimensions of carbon steel pipe (reference) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of screw threads (number per 25.4 mm) | Pitch p (reference) | Thread height h | Roundness r or r' | Male thread | Male thread | Female thread | Male thread | Female thread | |||||||||
Length toward the large diameter side from the standard diameter position f | With an incomplete thread section | Without an incomplete thread section | |||||||||||||||
Outer diameter d | Effective diameter d2 | Valley diameter d1 | From pipe end | Pipe end | |||||||||||||
Tapered female thread | Parallel female thread | Tapered female thread and parallel female thread | |||||||||||||||
Female thread | Standard length a | Tolerance in the shaft line direction b | Tolerance in the shaft line direction c | ||||||||||||||
Valley diameter D | Effective diameter D2 | Inner diameter D1 | Length toward the small diameter side from standard diameter position ℓ | Length from pipe or pipe fitting end ℓ'(reference) | t(2) | Outer diameter | Thickness | ||||||||||
R1/16 | 28 | 0.9071 | 0.581 | 0.12 | 7.723 | 7.142 | 6.561 | 3.97 | ±0.91 | ±1.13 | ±0.071 | 2.5 | 6.2 | 7.4 | 4.4 | - | - |
R1/8 | 28 | 0.9071 | 0.581 | 0.12 | 9.728 | 9.147 | 8.566 | 3.97 | ±0.91 | ±1.13 | ±0.071 | 2.5 | 6.2 | 7.4 | 4.4 | 10.5 | 2.0 |
R1/4 | 19 | 1.3368 | 0.856 | 0.18 | 13.157 | 12.301 | 11.445 | 6.01 | ±1.34 | ±1.67 | ±0.104 | 3.7 | 9.4 | 11 | 6.7 | 13.8 | 2.3 |
R3/8 | 19 | 1.3368 | 0.856 | 0.18 | 16.662 | 15.806 | 14.95 | 6.35 | ±1.34 | ±1.67 | ±0.104 | 3.7 | 9.7 | 11.4 | 7 | 17.3 | 2.3 |
R1/2 | 14 | 1.8143 | 1.162 | 0.25 | 20.955 | 19.793 | 18.631 | 8.16 | ±1.81 | ±2.27 | ±0.142 | 5 | 12.7 | 15 | 9.1 | 21.7 | 2.8 |
R3/4 | 14 | 1.8143 | 1.162 | 0.25 | 26.441 | 25.279 | 24.117 | 9.53 | ±1.81 | ±2.27 | ±0.142 | 5 | 14.1 | 16.3 | 10.2 | 27.2 | 2.8 |
R1 | 11 | 2.3091 | 1.479 | 0.32 | 33.249 | 31.77 | 30.291 | 10.39 | ±2.31 | ±2.89 | ±0.181 | 6.4 | 16.2 | 19.1 | 11.6 | 34 | 3.2 |
R1 1/4 | 11 | 2.3091 | 1.479 | 0.32 | 41.91 | 40.431 | 38.952 | 12.7 | ±2.31 | ±2.89 | ±0.181 | 6.4 | 18.5 | 21.4 | 13.4 | 42.7 | 3.5 |
R1 1/2 | 11 | 2.3091 | 1.479 | 0.32 | 47.803 | 46.324 | 44.845 | 12.7 | ±2.31 | ±2.89 | ±0.181 | 6.4 | 18.5 | 21.4 | 13.4 | 48.6 | 3.5 |
R2 | 11 | 2.3091 | 1.479 | 0.32 | 59.614 | 58.135 | 56.656 | 15.88 | ±2.31 | ±2.89 | ±0.181 | 7.5 | 22.8 | 25.7 | 16.9 | 60.5 | 3.8 |
R2 1/2 | 11 | 2.3091 | 1.479 | 0.32 | 75.184 | 73.705 | 72.226 | 17.46 | ±3.46 | ±3.46 | ±0.216 | 9.2 | 26.7 | 30.1 | 18.6 | 76.3 | 4.2 |
R3 | 11 | 2.3091 | 1.479 | 0.32 | 87.884 | 86.405 | 84.926 | 20.64 | ±3.46 | ±3.46 | ±0.216 | 9.2 | 29.8 | 33.3 | 21.1 | 89.1 | 4.2 |
Notes
Remarks