10x Sumitomo 22ER A60 ACK200 60° Threading Inserts H6121 C2123 TAT61517 Japan

Grade: ACK200

Code markings: H6121 / C2123 / TAT 61517

Manufacturer: Sumitomo Electric

Made in: Japan

Insert type: External threading insert

Thread profile: 60°

Shape: Triangular (Trigon) with partial profile

Coating: CVD or PVD gold coating (typical for ACK200 grade)

Application: General-purpose threading of steels, stainless, cast iron, and non-ferrous materials

Condition: New old stock (NOS) in original sealed and inspected factory box

These are genuine Sumitomo threading inserts designed for cutting 60-degree external threads. The insert geometry is optimized for light to heavy threading operations depending on holder and setup. ACK200 is a durable grade suitable for consistent performance in steel and alloy threading.

No returns on this item. Buyer is responsible for verifying compatibility with their toolholder and threading application. Ask any questions before purchasing. All information provided is based on visible markings and packaging.