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J-Cut 55 QT is a heavy duty dark cutting oil developed for difficult machining operations such as deep hole boring, gun drilling and trepanning. Extensive field experience has shown that J-Cut 55 QT gives exceptional production rates and extended tool life. The viscosity is designed to give maximum lubrication combined with the proper cooling and flushing of chips. J-Cut 55 QT does contain active sulfur and should not be used on non-ferrous metals because of staining.

Application Area: Boring Applications, Broaching Applications, Drilling Applications, Gears, Machining Operations

Compatible Substrates & Surfaces: Metal, Steel, Titanium

Features: Excellent Lubricity, Fast Production Cycle, Good Surface Finish, Heavy Duty, Service Life Extension

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Performance Benefits
  • Superior surface finish
  • Extended tool life
  • Suitable for use on difficult to machine ferrous and exotic alloys

Applications & Uses

Compatible Substrates & Surfaces
Recommended Applications
  Cast Iron Low-medium alloy steel High alloyed steel/nickel-chromium alloys Titanium alloys Aluminum alloys Yellow metals
Honing/Superfinishing - - - - - -
Grinding - - - - - -
Drilling - X X X - -
Broaching/Gear manufacturing - X - - - -
General machining - X X X - -

Properties

Color
Appearance
Dark brown liquid
Characteristics
ValueUnitsTest Method / Conditions
Density (at 15°C)7.6lbs/gal
Viscosity (at 40°C)38.0cStASTM D446
Viscosity (at 100°F)182.0Saybolt Universal SecondsASTM D446
Flash Pointmin. 350°FASTM D92
Copper Corrosion (for 3 hr at 100°C)4CASTM D130