Screw threads for Shutter Cable Relea...

There are two types of screw threads used for shutter cable release tips and sockets for cameras: parallel threads and tapered threads. Both types require sp... 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

What is the pitch diameter of intern...

Pitch diameter: The diameter of an imaginary cylinder such that the width of the thread (B) is equal to the width of the thread (A) The pitch diameter is th... 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

How to use the female thread inner di...

* The criteria for pass/fail judgment are different between the former JIS and the current JIS (ISO). Pass/fail judgment based on the current JIS (ISO) P... 詳細表示

List of tolerances for metric threads...

The former JIS standard for metric threads has been erased, so it cannot be confirmed from JIS. In the table below, you can refer to some of the allowable d... 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

Types of screw limit gauges and how t...

The use of screw gauges is determined by JIS standards. Use the accuracy class of the drawing instruction and inspect the screws according to the prescribed... 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