400R C20 25 150 Milling Cutter

The 400R C20 25 150 Milling Cutter is a robust indexable end mill designed for APMT1604 carbide inserts. With its 20 mm shank diameter and 150 mm overall length, the 400R C20 25 150 Milling Cutter offers high rigidity and stability for precision machining. The 400R C20 25 150 Milling Cutter is optimized for both face milling and shoulder milling applications, making it versatile for steels, stainless steels, and cast irons.

This milling cutter features a 25 mm cutting head diameter and is engineered with secure insert pockets for stable seating and reduced vibration. Compatible with APMT1604 inserts, it ensures efficient cutting performance, long tool life, and quick insert indexing. Its long shank design provides improved reach and flexibility, making it ideal for complex setups on CNC milling machines.

Widely used in automotive, mold-making, and general engineering industries, the cutter’s rigid body and optimized cutting geometry make it a dependable choice for semi-finishing and roughing operations.

Code Breakdown

• 400R – Indexable end mill series for APMT inserts

• C20 – Shank diameter: 20 mm

• 25 – Cutter head diameter: 25 mm

• 150 – Overall tool length: 150 mm

Key Features of the Milling Cutter

• Rigid 20 mm shank with 150 mm overall length

• 25 mm cutter head diameter for stability

• Supports APMT1604 inserts for reliable cutting

• Optimized design for face and shoulder milling

• Suitable for steels, stainless steels, and cast irons

Equivalent Milling Cutters (Other Brands)

• Sandvik: R390-025A20-11M (Sandvik official site)

• Seco: 025.20-APMT1604 series

• Kennametal: KSRM 25A20-11

• Iscar: H490 025A20-11

Application Guidelines

• Compatible inserts: APMT1604 carbide inserts

• Best suited for face milling and shoulder milling

• Cutting speed (steel): 160–260 m/min

• Depth of cut: up to 3.0 mm

• Common industries: automotive, aerospace, mold-making

For APMT inserts and more milling cutters, visit our Diamond Cut store.