Unified Thread Ring gauge What is th...

2A and 3A are the external thread accuracy ratings for unified threads. 2A: Widely used for general parts, equivalent to former JIS class 2 3A: Strict gr... 詳細表示

How to use a three-stage notch thread...

For NPTF 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 indica... 詳細表示

For drops gauge

The gauge for drops is thought to be a gauge whose reference surface is counterboring or the like, but it is a special correspondence. 詳細表示

Is there a pass/fail decision between...

There are also tolerances in the angle and pitch of the gauge , and there are minute differences on the front and back. When the pitch diameter of the ext... 詳細表示

pipe screw 6A 8A 10A 15A 20A 25A 32A 40A

In drawings, “10A” may be written in place of the pipe thread designation. This “10A”refers to the 3/8‑inch pipe thread size. ○○A is a size expression in... 詳細表示

OSG Screws thread gauge Lineup - Add...

・ Please refer to the "Screw thread Gauge Inventory List" in the catalog. Thread limit gauge long neck type LG ・ Class 2 (former JIS) M2×0.4 ~ M12×1.... 詳細表示

What is a G-thread?

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

gauge Precautions for storage

gauge Precautions for storage 1. Grease with anti-rust oil and store. Places with little humidity, humidity and temperature change are horrible. 2. Do not... 詳細表示

Handle shape of metric screw gauge Fo...

For the under neck length and handle shape of the metric thread gauge , please refer to the PDF document. Limit for screws gauge under neck length /handle s... 詳細表示

for concentricity gauge

A gauge that measures the concentricity of connected holes with different diameters is called a concentricity gauge. It is compatible with special products. 詳細表示