GWB Toolholder Features & Benefits:
• Double clamping system provides reliable grooving of hardened steel
• 80° tangentially mounted CGA style insert for improved rigidity
• Wide range of widths and grades for continuous and interrupted grooving operations
• New special coated CBN grade BNC30G extends tool life of insert
Insert Grades:
![](https://sumicarbide.com/wp-content/uploads/2016/01/CGA-app-features.jpg)