Ring gauge can be divided according to the appearance: smooth ring gauge, also known as the aura regulation, threaded ring, parallel thread ring gauge; according to the different uses, and manufacturing standards can be divided into: standard ring gauge, SK standard ring gauge, the German standards ring, useful ring gauge; in accordance with the manufacturing materials can also be a ceramic ring gauge, and the difference of the metal ring gauge. 
 High quality alloy steel, very strong: the stability of the thread surface is made in accordance with strict quality control procedures to ensure high quality, and improve the wear life; 
 Smooth ring regulation http://www.bthxzw.com/guangmianhuangui.html 
 Ring gauge can be divided according to the appearance: smooth ring gauge, also known as the aura regulation, threaded ring, parallel thread ring gauge; according to the different uses, and manufacturing standards can be divided into: standard ring gauge, SK standard ring gauge, the German standards ring, useful ring gauge; in accordance with the manufacturing materials can also be a ceramic ring gauge, and the difference of the metal ring gauge. 
 Standard ring gauge: angle gauge, needle gauge, thread plug gauge, ring gauge Product Name: useful parallel thread gauge Type: Industrial Measuring Instruments Industry: industry of toys and plastic molds and metal manufacturing industry product use: tubular threaded test high-precision screw ring gauge. 
 Smooth ring regulation http://www.bthxzw.com/guangmianhuangui.html 
 The Botou Navistar cast material measuring 
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 Contact: Xin Yue