12-Flute Corner Radius End Mill for Stainless Steel – Model: 19×R1×A4×D20×110

AMG produce high-performance 12 edge rounded corner milling cutters, designed specifically for processing stainless steel and other difficult to machine metal materials, suitable for high-precision and high-efficiency cutting applications in CNC machining centers .

Product Advantages

Ultra fine particle hard alloy material with high hardness and toughness, extending the service life of cutting tools;

Specialized SA coating, optimized for stainless steel design, effectively enhances wear resistance and oxidation resistance;

Low cutting resistance design, reducing heat generation and tool wear, improving machining stability;

12 blade rounded corner structure, suitable for high-speed and high feed rate machining, with smooth cutting and high surface smoothness;

Applications

This tool is widely used for semi-finishing and finishing operations on stainless steel, alloy steel, and titanium alloys. It is especially suitable for complex surface machining in mold manufacturing, automotive parts, medical devices, and aerospace components.

Specifications

Parameter	Value
Tool Type	Corner Radius End Mill
Number of Flutes	12
Cutting Diameter	19 mm
Corner Radius	R1
Cutting Length	A4 (customizable)
Shank Diameter	D20
Overall Length	110 mm
Coating	SA Coating for Stainless Steel
Material	Ultra-fine Grain Carbide

Working Principle

The 12-flute design provides increased cutting contact area and improved rigidity, which enhances vibration resistance during the machining of tough materials. The SA coating reduces friction and heat buildup between the tool and stainless steel, improving chip evacuation and wear resistance—keep stable performance even under high-speed, heavy-load machining conditions.

FAQ

Q: Can the flute length or coating be customized?
A: Yes, AMG provides custom solutions based on customer drawings or application requirements.

Q: How long does the tool last when machining stainless steel?
A: Under optimal cutting parameters, tool life exceeds that of standard coated end mills by more than 20%.

Q: Is it suitable for dry cutting?
A: Yes, the SA coating is designed for excellent dry-cutting heat resistance and oxidation protection. It is suitable for both dry and wet machining.