What are UNJC and UNJF threads?

UNJC and UNJF threads are thread standards mainly used in the aircraft industry. For internal threads, UNC and UNF taps or thread mills can be used interc... 詳細表示

Is there a gauge of wear inspection r...

The standard product does not have a lineup. Originally, the R(Rc/Rp) tapered plug gauge for pipe wear inspection ring gauge does not have a JIS standard. ... 詳細表示

How to use the Plain limit gauge

Plain limit gauge is a common name for a plug-shaped cylindrical gauge. Also known as a plain gauge, it is used to check the accuracy of the hole and the in... 詳細表示

Metric Thread Size

How to represent the size of a metric thread A: Screw Type = Metric B: Outer diameter = 10mm C: Pitch = 1.5mm The first letter "M" indica... 詳細表示

There is no GO and NO-GO,and Gauge wi...

The notation "J" for thread precision is the standard thread gauge . Unlike thread limit gauges, thread accuracy is not guaranteed.. A standard thread gaug... 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

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

Combination of pipe threads

Pipe thread types There are two types of pipe threads: taper pipe threads and parallel pipe threads. division External thread Internal thread comb... 詳細表示

Can G and PF Tools Be Shared?

Tools such as taps, round dies, and other machining tools can be shared. However, the gauge must follow the specifications indicated in the drawing. This... 詳細表示

Is there a gauge of wear inspection p...

There is a description in JIS (JIS B 0262) that the tapering gauge for PT pipes uses a plug gauge when new, and comprehensively inspects the pitch diameter, ... 詳細表示