Grease Couplers


Model 5900 PowerLock Coupler

The PowerLock coupler simplifies the lubrication process and is quick and easy to use. Featuring one-handed operation, the coupler remains attached without being held in place. The reverse-jaw design holds the fitting securely to the seat for less grease bypass and lower lubricant costs.

  • Lever activated for quick attachment and release from fitting
  • Holds securely on fitting, enabling single-handed function during greasing
  • Comfortable, ergonomic design with protective grip
  • Durable, all-steel construction
  • Lowers lubricant costs due to less grease bypass
  • Optimizes lubricant delivery

Hydraulic couplers - standard

  • 6,000 psi (408 bar) maximum operating pressure
  • For all hydraulic type grease fittings
  • Small outside diameter permits easy contact with recessed fittings
  • Built-in ball check prevents leak and lubricant backup
  • Inlet 1/8 in. NPT(f)
  • Bulk model 245978

Hydraulic coupler displays

5852-2 Two hydraulic couplers in the same clamshell as model 5852
5852-5 Contains five couplers; reduces cost per unit
5852-54 Contains 54 couplers in a displayable box; best value

Model 5852

  • One hydraulic coupler in a resealable clamshell
  • 3-jaw design

Model 5845

  • 7,500 psi (517 bar) maximum operating pressure
  • 11/16 in. hex
  • Inlet 1/8 in. NPT(f)
  • Bulk model 245976

Model 5848 adapter

  • 7,500 psi (517 bar) maximum operating pressure
  • Built-in swivel allows full 360° circle
  • Locks in any one of eight 45° positions
  • Adjustable coupler section permits contact with fittings in reverse positions
  • Angle body has 1/8 in. NPT(f) inlet permits addition of pipe extension when required

Model G300 adapter

  • For use with most hand-operated grease guns and equipment
  • 1/8 in. NPT 4-jaw design

Special access grease couplers

Model 5883 90° grease coupler

  • Provides access to difficult to reach fittings
  • Allows for easy lubrication in tight areas

Button-head couplers and adapters

Model 80933

  • 4,000 psi (276 bar) maximum operating pressure
  • For pull-on, push-on or hook-on service
  • Use with large 7/8 in. (22mm) diameter button-head fittings
  • 7/16 in.-27(f) thread

Model 81458

Same as model 80933 except for 5/8 in. (16mm) diameter button-head fittings

Model 10460

  • 5,000 psi (345 bar) maximum operating pressure
  • For adapting standard or large button-head couplers to hose with 1/8 in. NPT connections
  • 1/8 in. NPT(f) x 7/16 in.-27(m) thread
  • Use gasket model 31138, not included.

Model 10536

  • 4,500 psi (310 bar) maximum operating pressure
  • For adapting standard or large button-head couplers to hose with 3/8 in. NPT connections
  • 3/8 in. NPT(f) x 7/16 in.-27(m) thread
  • Use gasket model 31138, not included.