Does this work with Milwaukee grease guns?

This does not work on the older Milwaukee m18 grease guns. They used a metric threaded hose on the older ones. The newer guns have standard thread and it will fit those. Take the current connector off the end of your grease gun hose. If the first 1/8 inch of the hose is not threaded, then you have a metric hose and this lock lune will not fit.

Where is this product manufactured?

It is a quality product made in South Africa by Gurtech.

After installing it, I couldn't depress the gun's pump. What did I do wrong?

Between myself and friends we have successfully installed five of these fittings without any problems. As per the other reviews, I would first check your gun to see if was in fact pumping grease, then reinstall the coupler and try again, before you put it on a fitting. Could be that the fitting jerk that you tried it on was frozen. If it still does not allow grease to flow, it is defective and you will need to return it.

It is just the fitting or does it include the flexible line?

It is just the fitting. The hose was included to give context and sense of scale.

Desertcart Logo

Deliver to Slovakia

For best experience Get the App

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan
KOREA

Customer Services

About Us

Customer Support

Description

🔧 Lock it, grease it, forget the mess—your machine’s new best friend!

MESS FREE MASTERY - Eliminates grease waste and machine mess with a tight seal that stays put under pressure.
UNIVERSAL COMPATIBILITY - Fits all 1/8" NPT grease guns—manual, pneumatic, or battery-powered—upgrade any setup instantly.
QUICK RELEASE CONVENIENCE - Thumb lever design lets you effortlessly lock on and release, even on stubborn or pressurized fittings.
LOCK LOAD WITH CONFIDENCE - Patented locking mechanism ensures a leak-proof, hands-free grease application every time.
BUILT TO LAST REBUILT TO SAVE - Includes a spare rebuild kit—double the value, double the durability for multi-year use.

The LockNLube Grease Gun Coupler is the world’s best-selling original locking grease coupler, engineered to lock securely onto all Zerk fittings and rated for up to 10,000 PSI. Its patented sliding sleeve mechanism provides a leak-proof seal that frees both hands for efficient greasing. Compatible with all 1/8" NPT grease guns—manual, pneumatic, or battery-powered—it includes a spare rebuild kit for extended tool life, making it the ultimate upgrade for professional maintenance and machinery care.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 127.37

Duties & taxes incl.

Slovakiastore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

ChatGPT - opens in a new tab Perplexity - opens in a new tab Claude - opens in a new tab Grok - opens in a new tab Google AI - opens in a new tab

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

View all Trustpilot reviews

Manufacturer	LockNLube
Brand	LockNLube
Model	LockNLube Grease Coupler
Product Dimensions	8.76 x 1.6 x 4.22 cm; 113.4 g
Item model number	1/8\\\" NPT
Manufacturer Part Number	GC81011
Item Weight	113 g

LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.

Description

Specifications

Have a Question? See What Others Asked

Reviews

Common Questions