Commen Sense Of Thread Detection-Understanding Of Metric Thread Gauges

There are two type of metric thread gauges to check the thread of titanium bolts, titanium screws and titanium nuts

That is, metric thread ring gauges and metric thread plug gauges。

The ring gages used to check external thread.

The plug gages used to check internal thread.

We also call it GO & NOGO garges.

According to the direction of thread, it can also divided into RH(right hand) and LH(left hand).

Standard tolerance: plug gauge 6H & ring gauge 6g. 

If no special requirements, ring gauge 6g, plug gauge 6H will be choosed.

Plug gauge thread class: 4H,5G,5H,6G,6H,7G,7H

Ring gauge thread class: 4h,5g,5h,6g,6h,6e, 7h

All these ISO metric thread gauges are made according to standard ISO1502 and ASME B1.16M.


We, XL TITANIUM have many M2-M30 standard sizes metric titanium fasteners in stock, and can provide standard titanium fasteners, no-standard titanium fasteners and customized titanium fasteners. Welcome to inquiry us!

Commen Sense Of Thread Detection-Understanding Of Metric Thread Gauges.png

Chat with us