Description
BTB 4 Flute Solid Carbide Endmill-Coated/BEN4-8MM X 20 FL X 60 OAL 4FLT
The 8mm Solid Carbide Endmill with a 4-flute geometry and high-durability coating is designed for high-speed, heavy-duty CNC machining. Engineered to deliver exceptional precision and performance, this tool is ideal for a variety of metal cutting applications, offering excellent finish quality and extended tool life.

Features:
Specification |
Details |
Diameter |
8mm |
Flute Length |
22mm |
Overall Length |
60mm |
Flute Design |
4-Flute – Balances chip removal and surface finish |
Protective Coating |
Improves thermal resistance and reduces wear |
Benefits:
Delivers excellent dimensional accuracy and surface quality
Coating enables higher cutting speeds and longer tool usage
Robust construction for reduced deflection in aggressive cuts
Suitable for both finishing and roughing operations
Applications:
Perfect for General engineering tasks requiring deep cuts and fine finishes
Used across aerospace, automotive, mold & die, and general engineering sectors
Perfect for slotting, profiling, and deep pocketing

1. What type of machining is this 8mm endmill best suited for?
It’s excellent for medium-to-heavy-duty CNC machining tasks such as roughing, slotting, and contour milling.
2. How does the 4-flute design improve performance?
It offers better feed rates and finish quality, especially in harder materials, with less vibration and chatter.
3.Is it capable of machining tough and hard-to-cut materials?
Yes, the solid carbide body and advanced coating make it ideal for handling hard-to-machine materials, including high-strength alloys and heat-resistant metals, while also supporting general-purpose machining needs.
4. Is this tool compatible with coolant systems?
Yes, it performs optimally with flood or mist coolant, especially when machining hard metals or during prolonged operations.
5. Can it be used for both roughing and finishing?
Absolutely. The geometry and strength of the tool allow it to perform well in both operations with excellent accuracy and finish.