Description
BTB 4 Flute Solid Carbide Endmill-Coated/BEN4-16MM X 45 FL X 100 AL 4FLT
The BTB 16mm Solid Carbide Endmill with 4 flutes and a precision coating is built for high-performance CNC milling in industrial environments. With an overall length of 100mm and a flute length of 45mm, it’s ideal for deep material removal and stable operations.

Features:
Specification |
Details |
Diameter |
16mm |
Flute Length |
45mm |
Overall Length |
100mm |
Flute Design |
4-Flute – For smoother finishes |
Coated Surface |
Improved heat resistance and extended tool life |
Benefits:
• Delivers high precision and consistent performance
• Coating enhances tool wear resistance and enables higher cutting speeds
• Excellent chip evacuation due to flute geometry
• Maintains dimensional accuracy even during long production runs
Applications:
• Ideal for heavy-duty CNC milling
• Suitable for machining hardened steels, cast iron, stainless steel, and alloys
• Perfect for General engineering tasks requiring deep cuts and fine finishes

1. What is the primary use of a 16mm solid carbide endmill?
The 16mm endmill is ideal for heavy-duty CNC milling operations involving large-scale material removal, deep slotting, and contouring in hard materials. It's widely used in aerospace, die & mold, and general engineering industries.
2. What advantages does the 4-flute design offer for a 16mm tool?
The 4-flute design provides better stability, smoother finishes, and higher feed rates. It helps reduce vibration and ensures excellent chip evacuation in harder materials during high-volume machining.
3. Can this endmill be used on hardened steel and exotic alloys?
Yes, the solid carbide construction combined with a protective coating allows the 16mm endmill to efficiently cut hardened steels, stainless steel, and other high-strength alloys.
4. What machine compatibility is required for this tool?
It’s compatible with industrial-grade CNC milling machines that support 16mm shank tools and provide sufficient torque and spindle speed for heavy cuts.
5. Is coolant recommended when using this endmill?
Yes, using coolant or air blast is highly recommended to control heat buildup, prevent tool wear, and ensure consistent performance—especially during long or aggressive machining cycles.