The Mitsubishi SOMT12T308PEER-JM VP15TF is a premium square indexable carbide milling insert designed for ASX400 shoulder milling cutters. Featuring Mitsubishi's advanced VP15TF PVD coating and JM chipbreaker, it delivers excellent wear resistance, stable cutting performance, and extended tool life in light to semi-heavy milling operations. It is ideal for machining stainless steel, cast iron, hardened steel, and heat-resistant alloys with high accuracy and superior surface finish.

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Technical Specifications

Dimensions are based on Mitsubishi Materials' published specifications.

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Product Features

• Premium Mitsubishi carbide substrate
• Advanced VP15TF PVD coating for long tool life
• JM chipbreaker for smooth chip evacuation
• Excellent wear, heat, and oxidation resistance
• Stable cutting under light to semi-heavy loads
• Low cutting forces and reduced vibration
• High dimensional accuracy
• Suitable for dry and wet machining
• Four usable cutting edges for economical operation
• High-quality surface finish

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Applications

• Face milling
• 90 shoulder milling
• General-purpose CNC milling
• Semi-finishing
• Light roughing
• Precision machining
• Production machining
• Multi-function milling

Suitable for:

• Carbon steel
• Alloy steel
• Stainless steel
• Cast iron
• Hardened steel
• Heat-resistant alloys
• Titanium alloys (recommended cutting conditions)

Compatible with Mitsubishi ASX400 series milling cutters.

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Corrosion Resistance

The VP15TF PVD coating provides:

• Good corrosion resistance during storage
• Excellent oxidation resistance
• High heat resistance
• Superior wear resistance
• Protection against coolant-related surface degradation

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Advantages

• Longer tool life
• Excellent chip control
• Improved productivity
• Reduced machining costs
• Stable cutting performance
• Superior surface finish
• High reliability in CNC production

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Industries

• Automotive
• Aerospace
• Die & Mold
• Heavy Engineering
• General Manufacturing
• Precision Engineering
• Power Generation
• Oil & Gas
• Metal Fabrication

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Frequently Asked Questions (FAQs)

What is the SOMT12T308PEER-JM VP15TF used for?

It is used for face milling, shoulder milling, and general CNC milling using compatible ASX400 milling cutters.

Which materials can it machine?

Carbon steel, alloy steel, stainless steel, cast iron, hardened steel, heat-resistant alloys, and selected titanium alloys.

What does VP15TF mean?

VP15TF is Mitsubishi's premium PVD-coated carbide grade offering excellent wear resistance, heat resistance, and long tool life.

What is the JM chipbreaker?

The JM chipbreaker is designed for light to semi-heavy cutting, providing smooth chip evacuation, stable cutting, and improved surface finish.

Is it suitable for CNC machining?

Yes. It is specifically designed for CNC machining centers and indexable milling cutters.

How many cutting edges does the insert have?

The insert provides 4 usable cutting edges, improving tool economy.

What are its dimensions?

• IC: 12.7 mm
• Thickness: 3.97 mm
• Corner Radius: 0.8 mm
• Cutting Edge Width: 1.4 mm
• Hole Diameter: 4.3 mm

Can it be used for dry machining?

Yes. It performs well in both dry and wet machining depending on the application.

Is it corrosion resistant?

Yes. The VP15TF PVD coating offers good corrosion and oxidation resistance during storage and machining.

What is the approximate weight of one insert?

A single insert weighs approximately 4.55 grams.

What are the key benefits?

• Long tool life
• Excellent wear resistance
• Stable cutting
• High productivity
• Low cutting forces
• Superior surface finish
• Cost-effective machining