Castrol Variocut B 40 is a high-performance neat cutting oil formulated without active sulphur, making it fully yellow metal compatible. According to the product data sheet, it is suitable for a wide range of machining operations including turning, milling, drilling, broaching, thread cutting and gear machining. Variocut B 40 offers excellent EP performance and is approved for materials such as steels, stainless steels, aluminium, titanium, nickel/chrome alloys and non-ferrous metals.
Applications (as per product data sheet)
- Turning of steel, stainless steel, aluminium, titanium, cast iron and yellow metals
- Milling
- Drilling
- Broaching
- Thread cutting / thread forming
- Gear machining (hobbing, shaping)
- General machining
- Not suitable for grinding or honing
Benefits
- Yellow metal compatible (no active sulphur)
- High EP performance
- Excellent surface finish
- Chlorine- and heavy metal-free
- Stable performance in demanding operations
FAQ
Is Variocut B 40 suitable for aluminium and yellow metals?
Yes, it contains no active sulphur and is fully yellow metal compatible.
Can it be used for grinding or honing?
No, these operations are not approved.
Which machining operations are supported?
Turning, milling, drilling, broaching, thread cutting and gear machining.
