What is a G-thread?

What is a G-thread? It is a screw commonly called a parallel thread for JIS (ISO) pipes, and it is a parallel thread for mechanical coupling of the current ... 詳細表示

I would like to know about checking w...

The measurement method for wear inspection is defined in JIS. Inspection method parallel screw plug gauge Pitch diameter measurement is performed by the t... 詳細表示

Which screw gauge should I use before...

There is no uniform gauge of threads before plating. The gauge accuracy must be set according to the plating thickness. When plating is applied to internal... 詳細表示

What is IR?

External thread Limit gauge (LG) measuring Former JIS metric threads and unified threads, and NO GO side ring gauges for inspection. 詳細表示

Why is the pitch diameter of the scre...

In order for the external thread and internal thread to fit together, the following must be met: Internal thread is greater than external thread Here is a ... 詳細表示

Calculating pitch from threads per inch

Since the value represents the number of threads within 1 inch (= 25.4 mm), the pitch in millimeters can be calculated by dividing 25.4 by the number of thre... 詳細表示

How to use tapered thread gauges for ...

The use of screw gauges is determined by JIS standards. Use the gauge of the thread type in the drawing instructions and inspect the screw in a determined ma... 詳細表示

Thread terms external thread and int...

The part shaped like a mountain is the "thread profile". The thread is " external thread " on the outside and " internal thread " on the inside. The thread... 詳細表示

Compare the difference in pitch diame...

The figure below shows the positional relationship between the thread accuracy, the thread and the thread gauge, external thread and internal thread in the J... 詳細表示

How to Express Unified Thread Designa...

There are two ways to express unified thread sizes: the “No. XX” designation and fractional notation such as 1/4. They may also be written in decimal form... 詳細表示