WALTER Turning Insert: WNMA543-RK5 WKK20S

The WALTER WNMA543-RK5 WKK20S is a Trigon (W) indexable turning insert designed for general turning operations on metal workpieces. It is commonly used in automotive, aerospace, and general machining industries for roughing and finishing applications where reliable chip control and edge strength are required.

The WALTER WNMA100612-RK5 WKK20S is a Trigon (W) indexable turning insert with the manufacturer part number 6397856. It features the WKK20S grade and RK5 geometry, optimized for steel and stainless steel machining. The insert dimensions follow ISO standards for WNMA100612, providing a 10 mm inscribed circle and 6.35 mm thickness.

You can source WALTER turning inserts, including the WNMA543-RK5 WKK20S and WNMA100612-RK5 WKK20S, through 3G Electric. As a global industrial equipment distributor established in 1990, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations for these WALTER-branded indexable inserts.

To select the correct WALTER turning insert, match the insert shape (Trigon W), size (e.g., WNMA543 or WNMA100612), and grade (WKK20S) to your workpiece material and operation. The RK5 chipbreaker geometry suits steel and stainless steel. Always verify the insert's inscribed circle and thickness against your tool holder's specifications for proper fit.