Общий каталог Yamawa 2022 - 2023 - страница 1242

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28. Thread Series Basic profile of threads

■Unified Threads ■Conversion Table ■Metric Screw Threads (M) ■Unified Screw Threads (UNC, UNF, etc.)

Column SizColumn eNominal Dia. CoarseFineExtra Fine ThreadConstant s per inchitch series
inch
12
1 / 4
5 / 16
3 / 8
7 / 16
1 / 2 9 / 16
5 / 8
11 / 16
3 / 413 / 16
7 / 8
15 / 16
1
11 / 16
11 / 813 / 16
11 / 415 / 16
13 / 8
17 / 16
11 / 219 / 16
15 / 8
13 / 4111 / 16
113 / 16
17 / 8
115 / 16
21
2 / 8
21 / 4
123 / 8
2 / 225 / 8
23 / 427 / 8
3
31 / 431 / 8
33 / 8
31 / 235 / 8
33 / 4
37 / 8
4
41 / 8
41 / 4
41 / 243 / 8
45 / 8
43 / 447 / 8
551 / 8
51 / 4
53 /
51 / 28
55 / 8
53 / 4
657 / 8

(25.4mm) Internal Internal Thread Thread

External External Thread Thread

Internal Thread

※ : Please select the first column by priority. And select second column and third column if necessary.

General size list of metric trapezoidal threads

Unit : mm

■Taper Pipe Threads (R, Rc, PT) ■Parallel Pipe Threads for Taper Pipe Threads (Rp, PS)

Internal Thread Internal Thread

External Thread

Central axis line of thread Central axis line of thread

Technical Inf

Threads per inch Threads per inch

When the tap for the trapezoidal threads not listed in the catalogue is required, please contact Yamawa sales.