DLC‑Coated Screw Limit Gauge (DLC‑LG)

Class 2 (Former JIS) M2×0.4~M12×1.75 33 items JIS (ISO Class) 6H M2×0.4~M12×1.75 22 items Improvements When inspecting threads with a gauge, micro... 詳細表示

What is a trapezoidal thread?　Tr　TM　T...

A trapezoidal thread is a thread with a trapezoidal cross‑section, characterized by a wide crest and root. OSG currently provides taps and gauges for trapez... 詳細表示

Pg thread

Pg threads are conduit threads defined in the German DIN standard, and the tooling is compatible only with special-purpose products. ▽ Thin steel conduit sc... 詳細表示

gauge Inspection web system

gauge When can the inspection table web system be used from the time it is completed? It can be confirmed from the completion of April 2011. References: ga... 詳細表示

How to use the 3-stage notch thread g...

For NPT gauges for U.S.-type pipes, the central notch of the L1 gauge (three-stage notch) indicates the reference diameter, and the other two notches indicat... 詳細表示

Difference between former JIS and ISO...

WP stands for NOT-GO machine gauge of former JIS, and IP stands for NOT-GO inspection plug gauge. NP is a symbol for the NOT-GO of ISO (current JIS), and th... 詳細表示

What is the difference between the pi...

The figure below shows the positional relationship between the tolerances of each pitch diameter in thread accuracy and thread gauge accuracy. Positional re... 詳細表示

Can Rp and PS Threads Share Tools?

There are two types of parallel internal pipe threads: Rp specified in the current JIS and PS specified in the former JIS. Tools such as taps can be shared.... 詳細表示

A / B is written on the GO thread gau...

The notation A/B in the accuracy column of the GO screw gauge of the parallel screws G and PF for pipes means that they can be shared in the pass/fail judgme... 詳細表示

The drawing specifies a Class 2 screw...

Example of inquiry If the drawing specifies a Class 2 screw thread, wouldn't it be acceptable to use a Class 1 gauge for screw threads and judge the part as... 詳細表示