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.

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Grease Gun Mouthpiece

Product ID: 205422040

Details

Brand
LockNLube
Exterior finish
Silver (likely
Inlet connection size
5 Centimeters
Inlet connection type
National Pipe
Item dimensions L x W x H
8.8 x 1.6 x
Material
Stainless

💧No leaks

🔒Locks on securely

⚙️1/8" NPT compatible

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₹ 8762

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In stock

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Description

🔧 Grease your way to perfection with zero mess!

GLOBAL REACH - Available internationally with tailored specifications.
INNOVATIVE DESIGN - The world's original locking grease coupler for ultimate efficiency.
SEAMLESS OPERATION - Experience grease where it belongs, not on your machinery.
COMPACT LIGHTWEIGHT - Weighs only 113g, making it easy to handle and store.
UNIVERSAL COMPATIBILITY - Works with all grease guns—battery, pneumatic, or manual.

The Grease Gun Mouthpiece by Fettpresse-kupplung is a revolutionary locking coupler designed to prevent leaks and ensure that grease goes exactly where it's needed. Compatible with all grease guns and weighing just 113g, this innovative tool is perfect for professionals seeking efficiency and reliability in their maintenance tasks.

Specifications

ASIN	B00H7LPKKU
Best Sellers Rank	20,576 in Automotive ( See Top 100 in Automotive ) 148 in Paint Guns & Accessories
Brand	LockNLube
Connector Type	Push-Fit
Customer Reviews	4.7 4.7 out of 5 stars (30,618)
Exterior Finish	Silver (likely Stainless Steel with polished/plated finish)
Global Trade Identification Number	00810102950260
Inlet Connection Size	5 Centimeters
Inlet Connection Type	National Pipe Tapered
Item Dimensions	8.8 x 1.6 x 4.2 centimetres
Item Weight	0.25 Pounds
Manufacturer	Fettpresse-kupplung
Manufacturer Warranty Description	2 years.
Material	Stainless Steel
Maximum Pressure	10000 Pound per Square Inch
Model Number	1/8\\\" NPT
Number of Ports	2
Outlet Connection Size	5 Centimeters
Outlet Connection Type	NPT
Size	5 cm
Specification Met	USPTO
Thread Size	1/8 inch
Thread Type	NPT
UPC	810102950260
Valve Type	Coupler

Reviews

T**E

Nipple clamp.

Great end, no spillage and gets a fine hold of the nipple, expensive but well worth the money.

24.02.2026

M**Y

Grips & says on nipple, works well

Does what it's supposed to do, nice.

7.02.2025

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