Description: 10pcs HRC45 Blue Nano 11ER A60 Carbide Insert External Threading Insert Specification: Material:Carbide. Coating:Blue Nano. Hardness:HRC45. Degree:60. A60 Metric common thread:0.5-1.5. Blade diagonal distance:11. For:Threading Turning Tool Holder. Features: (Fit for SERxxxxHxx Turning Tool Holder). 1. Blue nano coating, high temperature resistance, better processing. 2. Hardeness up to HRC45, fit for Normal processing stainless steel and ordinary, such as steel 45 steel,A3 steel, stainless steel and other soft materials 201,304. Also perfect for hardness material. 3. Earn 3-5 times of service life. 4. High grip strength, impact resistance and strong, clear speed advantage in cutting off a large margin and processing. 5. Practical and a variety of processing environments, even in very dirty environments such as cast iron also has good features. Package Included: 10 x 11ER A60 Carbide Inserts