Cutting Fluids

Cutting fluids refer to any suitable liquid used as a coolant and/or lubricant during a wide range of metalworking and machining techniques. Cutting fluids aren’t just used when literally cutting metals; they’re also widely deployed during processes such as drilling, stamping, turning, milling and more.

Many types of machine tool coolant systems use cutting fluids in one form or another, be it gels, pastes, liquids or sprays/aerosols. Liquid cutting fluid products are among the most universal and flexible type and are popular across most modern industries and production environments.

What are the key advantages of a high quality cutting fluid?

  • Because metal machining tends to generate excessive friction heat, cutting fluids play an essential role in helping to cool and lubricate both the material being worked and the tools/machinery working it
  • This not only helps to dissipate heat; it also reduces the overall amount of friction at contact points
  • As well as improving production efficiency, cutting fluids therefore also help to reduce unwanted wear and tear on both worked materials and machine parts/tools
  • Cutting fluids typically help achieve a far better quality finish on machined pieces, preventing chips and ejected materials from becoming welded onto the machine tools where they might interfere with subsequent processes

What are the main types of cutting fluids to consider?

Liquid cutting fluids tend to come in three main types - mineral, semi-synthetic, and synthetic

Semi-synthetic and synthetic cutting fluids aim to combine the most useful properties of traditional oils with the user-friendliness and all-round cooling performance of water, via a manufacturing process that involves suspending emulsified oil in a water base

Other prized properties of synthetic and semi-synthetic cutting fluids include:

  • Rust inhibition
  • Resistance to various types of toxicity, including bacterial and fungal
  • Tolerance for various types of oils and water
  • Compatibility with many different metals and machining processes
  • Resistance to thermal breakdown
  • Improved environmental and user safety

Pastes and Gels are used for some applications, in particular, hand operations such as drilling and tapping. In sawing metal with a band saw, it is common to periodically run a stick of paste against the blade.

Aerosols delivered directly through the flutes of the tool. MQL's aerosol is delivered in such a precisely targeted way (with respect to both location and timing) that the net effect seems almost like dry machining from the operators' perspective.


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Description Price Package Size Trade Name Biodegradable Product Category Package Type
RS Stock No. 691-331
Mfr. Part No.53062
BrandRocol
HK$325.39
Each
units
350 g RTD Liquid No Fluid Bottle
RS Stock No. 691-347
Mfr. Part No.53023
BrandRocol
HK$219.23
Each
units
500 g RTD Compound No Compound Tin
RS Stock No. 196-3441
Mfr. Part No.SUPERCUT 400G
BrandDormer
HK$195.00
Each
units
400 g Supercut - Fluid Bottle
RS Stock No. 822-7929
Mfr. Part No.44109
BrandWD-40
HK$88.65
Each
units
400 ml WD-40 SPECIALIST - Fluid Aerosol
RS Stock No. 558-023
Mfr. Part No.31581-AB
BrandAmbersil
HK$157.98
Each
units
500 g Tufcut - Compound Tin
RS Stock No. 206-4886
Mfr. Part No.53008
BrandRocol
HK$8,736.42
Each
units
20 L Tri-Logic RTD - Fluid Can
RS Stock No. 239-4852
Mfr. Part No.53072
BrandRocol
HK$327.49
Each
units
400 g RTD Liquid - Fluid Bottle
RS Stock No. 212-5143
Mfr. Part No.53066
BrandRocol
HK$2,593.61
Each
units
5 kg RTD® Cleancut - - -
RS Stock No. 204-8360
Mfr. Part No.53513
BrandRocol
HK$291.39
Each
units
450 g RTD Chlorine-Free Compound - Paste Can
RS Stock No. 206-4887
Mfr. Part No.53020
BrandRocol
HK$71.40
Each
units
50 g RTD Compound - Lubricant Tube
RS Stock No. 206-4884
Mfr. Part No.53003
BrandRocol
HK$308.95
Each
units
350 ml Tri-Logic RTD - Fluid Bottle
RS Stock No. 206-4881
Mfr. Part No.51296
BrandRocol
HK$1,601.74
Each
units
5 L Ultracut 390H - Fluid Can
RS Stock No. 212-5144
Mfr. Part No.53526
BrandRocol
HK$2,222.54
Each
units
5 kg RTD® Chlorine-Free Liquid - - -
RS Stock No. 136-8544
BrandRS PRO
HK$102.76
Each
units
400 ml - - Fluid Aerosol
RS Stock No. 206-5644
Mfr. Part No.52074
BrandRocol
HK$857.47
Each
units
1 L ULTRAGUARD AF Yes Foam Bottle
RS Stock No. 204-8361
Mfr. Part No.53521
BrandRocol
HK$404.70
Each
units
350 ml RTD Chlorine-Free Compound - Fluid Can
RS Stock No. 206-4888
Mfr. Part No.53028
BrandRocol
HK$6,281.48
Each
units
18 kg RTD Compound - Lubricant Tin
RS Stock No. 206-4885
Mfr. Part No.53006
BrandRocol
HK$2,543.16
Each
units
5 L Tri-Logic RTD - Fluid Can
RS Stock No. 206-4880
Mfr. Part No.51293
BrandRocol
HK$4,942.64
Each
units
20 L Ultracut 390H - Fluid Can
RS Stock No. 204-8362
Mfr. Part No.53081
BrandRocol
HK$416.87
Each
units
400 ml RTD Chlorine-Free Spray - Spray Aerosol