Home » LOCKNLUBE® GREASE GUN COUPLER
LockNLube® grease gun coupler with locking mechanism for easy, leak-free connection to Zerk fittings.
LockNLube® grease coupler comparison with 2-inch measurement label showing XL and regular versions, showcasing SKU details.
Diagram of LOCKNLUBE® Grease Gun Coupler with dimensions labeled in inches and millimeters for easy reference.
LockNLube® grease gun coupler packaging with text highlighting 10,000 PSI rating and message to end greasing frustration.
LOCKNLUBE® grease gun coupler featuring a sturdy locking mechanism for leak-free operation and easy disconnecting under pressure.
LockNLube® grease gun coupler in use, showcasing easy attachment and disconnection on Zerk fittings. Max PSI 10,000.
User applying the LockNLube® grease gun coupler to machinery for efficient greasing without leaks or pressure issues.
Person using LOCKNLUBE® grease gun coupler on machinery for efficient greasing without leaks or pressure issues.
Hand using LOCKNLUBE® grease gun coupler on a machine, demonstrating easy connection and no leaks.
Person using LOCKNLUBE® grease gun coupler on machinery for efficient greasing without leaks or disconnect issues.
Diagram of LOCKNLUBE® grease gun coupler dimensions, showcasing 1/8" NPT compatibility and product specifications.
Hand using LockNLube grease gun coupler on heavy machinery for efficient greasing without leaks.
LockNLube® grease gun coupler securely attached to a Zerk fitting, showcasing its leak-free and easy disconnect design.
Close-up of LockNLube® grease gun coupler securely attached to a grease fitting for efficient lubrication without leaks.
LOCKNLUBE® Grease Gun Coupler packaging showcasing its 10,000 PSI rating and features for easy greasing without leaks.
LOCKNLUBE® Grease Gun Coupler packaging, featuring a locking coupler rated for 10,000 PSI to eliminate greasing frustration.
LOCKNLUBE® grease gun coupler with locking mechanism and spring for easy connection and leak prevention.
LockNLube® grease gun coupler, locking design, durable, made in South Africa, efficient greasing tool, compatible with all grease guns.
LockNLube® grease gun coupler designed for secure, leak-free greasing, compatible with all grease guns and Zerk fittings.
Person using LockNLube® grease gun coupler to efficiently lubricate machinery Zerk fitting outdoors on a grassy surface.
LockNLube® grease gun couplers comparison with measurement, featuring XL and Regular sizes for efficient greasing.
LockNLube® grease coupler dimensions chart with measurements in inches and millimeters for precise fitting and compatibility.
LockNLube® grease gun coupler with locking mechanism for easy, leak-free connection to Zerk fittings.
LockNLube® grease coupler comparison with 2-inch measurement label showing XL and regular versions, showcasing SKU details.
Diagram of LOCKNLUBE® Grease Gun Coupler with dimensions labeled in inches and millimeters for easy reference.
LockNLube® grease gun coupler packaging with text highlighting 10,000 PSI rating and message to end greasing frustration.
LOCKNLUBE® grease gun coupler featuring a sturdy locking mechanism for leak-free operation and easy disconnecting under pressure.
LockNLube® grease gun coupler in use, showcasing easy attachment and disconnection on Zerk fittings. Max PSI 10,000.
User applying the LockNLube® grease gun coupler to machinery for efficient greasing without leaks or pressure issues.
Person using LOCKNLUBE® grease gun coupler on machinery for efficient greasing without leaks or pressure issues.
Hand using LOCKNLUBE® grease gun coupler on a machine, demonstrating easy connection and no leaks.
Person using LOCKNLUBE® grease gun coupler on machinery for efficient greasing without leaks or disconnect issues.
Diagram of LOCKNLUBE® grease gun coupler dimensions, showcasing 1/8" NPT compatibility and product specifications.
Hand using LockNLube grease gun coupler on heavy machinery for efficient greasing without leaks.
LockNLube® grease gun coupler securely attached to a Zerk fitting, showcasing its leak-free and easy disconnect design.
Close-up of LockNLube® grease gun coupler securely attached to a grease fitting for efficient lubrication without leaks.
LOCKNLUBE® Grease Gun Coupler packaging showcasing its 10,000 PSI rating and features for easy greasing without leaks.
LOCKNLUBE® Grease Gun Coupler packaging, featuring a locking coupler rated for 10,000 PSI to eliminate greasing frustration.
LOCKNLUBE® grease gun coupler with locking mechanism and spring for easy connection and leak prevention.
LockNLube® grease gun coupler, locking design, durable, made in South Africa, efficient greasing tool, compatible with all grease guns.
LockNLube® grease gun coupler designed for secure, leak-free greasing, compatible with all grease guns and Zerk fittings.
Person using LockNLube® grease gun coupler to efficiently lubricate machinery Zerk fitting outdoors on a grassy surface.
LockNLube® grease gun couplers comparison with measurement, featuring XL and Regular sizes for efficient greasing.
LockNLube® grease coupler dimensions chart with measurements in inches and millimeters for precise fitting and compatibility.
LockNLube

LOCKNLUBE® GREASE GUN COUPLER

In stock - 20 items available
SKU: GC81011
$32.99
Size

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End greasing frustration with the original locking grease coupler!

  • Locks on, stays on, won't leak. Rated up to 10,000 PSI
  • Easily disconnects, even under pressure. No more broken Zerks
  • 1/8" NPT compatible with all grease guns - battery, pneumatic, manual
  • Grease goes in, not on, the machine
  • Works on all Zerk fittings, SAE and metric
  • Includes a rebuild kit! The LockNLube® is the world's only rebuildable grease coupler. Lowest lifetime cost.
  • Patented Locking Technology. US Patent #8955544
  • As seen on TruckU on the Motortrend Channel!

Also available with a 2" longer barrel for those deeply recessed fittings!

  • Great for shielded PTO shafts, axles, harvester heads, U Joints and other recessed grease fittings.