16 ER/IR 8UN External/Internal Threading CRM carbide Insert pack of 10

SELECT EXTERNAL OR INTERNAL CAREFULLY.

• CRM EXTERNAL HAS A YELLOW BOX, AND INTERNAL HAS A BLUE BOX
• High-profile accuracy.
• Parameters are mentioned on the box’s back side

• suitable for mostly steel grades, stainless steel grades
• Prevents chip curling, thus less tool breakage.