Общий каталог Yamawa 2022 - 2023 - страница 1244

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29. Basic profile of threads List of Thread Standards and Nominal Diameter Ranges of YAMAWA Taps

■American Standard Taper Pipe Threads (NPT)

Internal Thread

Central axis External Thread line of thread

■Dryseal American Standard Taper Pipe Threads (NPTF)

Internal Thread

Central axis External Thread line of thread

■Metric Trapezoidal Screw Threads (Tr)

Internal Thread

External Thread

Truncation Unit : mm Threads Section fc=fr per inch

Truncation Unit : mm Threads

Section fc fr

per inch

■29˚ Trapezoidal Screw Threads (TW)

Internal Thread

External Thread

■Japanese

Thread symbols

■ISO

Thread symbols

Kinds of threads Related Standards

Metric screw threads Miniature screw threads Unified threads, Coarse series Unified threads, Fine series

Metric Trapezoidal screw threads

Taper external pipe threads(JIS main book)
Taper internal pipe threads(JIS main book)
Parallel internal pipe threads(JIS main book)
Parallel pipe threads(JIS main book)
Parallel pipe threads(JIS Appendix)
Taper pipe threads(JIS Appendix)
Parallel internal pipe threads(JIS Appendix)
Screw threads for rigid metal thin-walled conduit and fitting
Screw threads for rigid metal thick-walled conduit and fitting
Cycle threads
Screw threads for sewing machine(2001.2.20repeal)
Electric socket and lamp-base threads
Tire valve threads of automobile
Tire valve threads of cycle
Kinds of threads Related Standards

ISO Metric threads ISO Miniature screw threads ISO Metric trapezoidal screw threads ISO Unified threads, coarse series

ISO Unified threads, fine series ISO Unified threads, extra fine series ISO Unified threads, constant pitch series Aerospace - UNJ threads (coarse) Aerospace - UNJ threads (fine) Aerospace - UNJ threads (extra fine) Aerospace - UNJ threads (constant pitch series) Aerospace - MJ threads Taper external pipe threads Taper internal pipe threads Parallel internal pipe threads Parallel pipe threads Glass container threads Tire valve threads

Technical Inf