Engineered for versatility, the M690 shoulder milling system provides true 90-degree walls with superior surface finish quality. The cutter supports various insert sizes and diameters, allowing flexible machining solutions. Robust construction and efficient chip evacuation enhance tool life, reduce vibration, and improve overall machining efficiency in industrial milling operations.
M690 Series For 90° Shoulder Mills Widia
WIDIA M690 Series cutters combine reliable performance with economical insert usage, making them suitable for general machining and high-volume production. The tool design supports ramping and shoulder milling with consistent accuracy. Compatible with SDMT insert styles, the system ensures dependable results while maintaining productivity in automotive, aerospace, and general engineering industries.
Features
Produces accurate square shoulders and profiles
Improves cost efficiency and tool life
Suitable for slotting, profiling, and face milling
Enhances rigidity and vibration resistance
Available in multiple cutter diameters and configurations
Overview
| Specification | Details |
|---|---|
| Brand | WIDIA |
| Product Series | M690 |
| Tool Type | Indexable 90° Shoulder Mill |
| Insert Type | SDMT (single-sided inserts) |
| Cutting Edge Count | 4 edges per insert |
| Diameter Range | Approx. 50 mm – 160 mm (model dependent) |
| Maximum Depth of Cut | Up to 10–12 mm (model dependent) |
| Number of Inserts | 4 – 12 (depending on cutter size) |
| Coolant Capability | With or without through coolant (model dependent) |
| Applications | Shoulder milling, slotting, profiling, face milling |
| Workpiece Materials | Steel, stainless steel, cast iron, high-temperature alloys |
| Standard | Industrial indexable milling standards |





