Phillips 66® Koolkut 8052B is a light-colored, low viscosity, chlorine-free tri-purpose oil formulated for use as a high-performance cutting oil, gear oil and hydraulic fluid in metalworking machines.
KOOLKUT® 8052B
TRI-PURPOSE CUTTING OIL, GEAR OIL & HYDRAULIC OI

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Features & Benefits
- Tri-purpose cutting oil, gear oil and hydraulic oil
- Helps extend cutting tool life
- Good surface finish
- Good rust protection
- Non-corrosive to copper and copper alloys
- Chlorine-free for reduced environmental impact
- Transparent for good visibility of the machining operation
Applications
- Koolkut 8052B is recommended for light to heavy-duty machining of ferrous and non-ferrous metals. Typical applications include:
- Boring • Planing
- Broaching • Sawing
- Drilling • Screw machining
- Gear hobbing • Shaping
- Grinding • Tapping
- Milling
Technical Details
- ISO Grade: 22
- ISO Grade: 22
Licenses & Approvals
Koolkut 8052B is suitable for machining a wide variety of metals ranging from steels with a machinability rating of 90%, to metals such as inconel, monel and titanium with machinability ratings below 50%.
Additional Details
ISO Grade | 22 |
Specific Gravity @ 60°F | 0.901 |
Density, lbs/gal @ 60°F | 7.5 |
Color, ASTM D1500 | 3 |
Flash Point (COC), °C (°F) | 177 (350) |
Pour Point, °C (°F) | -34 (-30) |
Viscosity | |
cSt @ 40°C | 22 |
cSt @ 100°C | 3.9 |
SUS @ 100°F | 116 |
SUS @ 210°F | 39.4 |
Viscosity Index | 40 |
Acid Number, ASTM D974, mg KOH/g | 3.5 |
Copper Corrosion, ASTM D130 | 1b |
Chlorine, wt % | Nil |
Fatty Oil, wt % | 8 |
Phosphorus, wt % | 0.1 |
Sulfur, wt % | 0.3 |