Coarse pitch of metric thread (M1~M68...

In the size of M1~M68, the yellow part in the attachment below is the coarse pitch. Reference: List of the coarse pitch 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

(Current JIS 6H/6g) List of Tolerance...

(Current JIS 6H/6g) List of Tolerances of Metric Screws (ANSI) ASME B1.13M (DIN) ISO965 詳細表示

Which Tap can BSF internal thread pro...

BSF stands for F in BS (UK). It corresponds to the fine line of W (thread angle 55°). Please note that it cannot be shared with a unified thread angle of 6... 詳細表示

What is the revision of the JIS stand...

It refers to the introduction of ISO tolerance classes in 1973. Under the former JIS, Japan used its own classification system consisting of first, second, ... 詳細表示

Implantable bolts? Stud bolts?

Implantatable bolts: Also known as stud bolts. This is a standard that specifies the characteristics of steel implantation bolts that are commonly used. Th... 詳細表示

What is a straight thread?

In general, the term straight threads often refers to a parallel thread. For example, if a customer specifies only “1/4 straight thread” in an order, the ... 詳細表示

Tire Valve Screws < Thread Standard> ...

・Automobile tire valves This is a standard for tire valves used in automobile tires and motorcycle tires specified by JIS. JIS D 4207 ・Bicycle tire valv... 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

What is an Rp thread?

What is an Rp thread? It is a thread commonly called a parallel thread for JIS (ISO) pipes, and it is a parallel internal thread for pressure‑tight sealing.... 詳細表示