CNC Insert For Threading
As a tungsten carbide insert manufacturer, we provides a full line of ISO threading insert carbide turning insert including ISO, UN, W, BSPT, ACME,STACME, API, NPT, Tr, 3°/30°, 7°/45°, B.S. BUTTRESS, ABUTT, UNJ and other non-standard special threading types according to customer's request.
Various grades and geometries are developed to work on component materials including carbon steel, high strength steel, stainless steel, cast iron,and non-ferrous metal etc.
The insert life performance and accuracy have reached customer's expectations. Among all the tungsten carbide turning insert we supply, the standard threading inserts are quite popular because of large stock, faster delivery, and reasonable price. Special threading tools can also be made as per customer's request.

Insert Profile | I.C. | Pitch | Product Code | L | X | Y | |
TPI | Right Hand | Left Hand | |||||
External Insert | 3/8″ | 10 | 16ER10 API RD | 16EL10 API RD | 16.5 | 1.1 | 1.2 |
8 | 16ER8 API RD | 16EL8 API RD | 1.4 | 1.3 | |||
1/2″ | 10 | 22ER10 API RD | 22EL10 API RD | 22 | 1.5 | 1.7 | |
8 | 22ER8 API RD | 22EL8 API RD | 2.2 | 2.3 | |||
Internal Insert | 3/8″ | 10 | 16NR10 API RD | 16NL10 API RD | 16.5 | 1.1 | 1.2 |
8 | 16NR8 API RD | 16NL8 API RD | 1.4 | 1.4 | |||
1/2″ | 10 | 22NR10 API RD | 22NL10 API RD | 22 | 1.5 | 1.7 | |
8 | 22NR8 API RD | 22NL8 API RD | 2.2 | 2.3 | |||
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