Castrol Syntilo 9974 BF is a synthetic coolant which has been developed for use as a grinding and heavy duty machining fluid for ferrous metals. Syntilo 9974 BF has been engineered for the high feed and speed of today machining operations. Syntilo 9974 BF performs exceptionally well as a replacement for neat cutting oil in applications such as gun-drilling, gear hobbing and broaching.Syntilo 9974 BF is recommended for honing, milling, turning, boring, drilling, tapping, gear hobbing and broaching on all ferrous alloys. This product is also recommended for various grinding operations.
Recommended Concentrations
Grinding 4 - 5 %
General Machining 4-10 %
Broaching 10 - 15 %FAQ – Frequently Asked Questions about Castrol SYNTILO 9974 BF
Which machining applications is SYNTILO 9974 BF intended for?
It is formulated for high-precision grinding on steels, HSS tooling and selected non-ferrous materials.
Is SYNTILO 9974 BF boron-free?
Yes — it is a boron-free formulation compliant with modern operational and regulatory requirements.
Is the product suitable for carbide operations?
It may be used for certain carbide applications; for extremely demanding cycles, specialist coolants may be preferred.
Does it produce low residue?
Yes, it provides a clean, clear solution designed to maintain stable system conditions.
Is SYNTILO 9974 BF compatible with central systems?
Yes, it can be used in both stand-alone and central coolant systems including fine filtration circuits.