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274220 - Miller Loctite 242 Blue Threadlocker Medium Strength 0.20oz

Packaging: 1 PER EA
$36.51/EA $22.31/1 PER EA only $22.31/EASave 39%

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OVERVIEW

Keep Your Rig Running Tight with Miller Loctite 242

Every welder knows that vibration is the enemy of precision equipment. Whether you are running a diesel engine drive out in the field or a heavy-duty industrial MIG runner in the shop, the constant hum and shake of welding operations can wreak havoc on your hardware. Bolts loosen, screws back out, and suddenly you are dealing with a rattling case or, worse, a loose electrical connection that causes arcing. The Miller 274220 Threadlocker (Loctite 242) is your insurance policy against downtime caused by loose fasteners.

This isn't just any glue; it's the industry-standard Blue Loctite 242, packaged specifically for Miller Electric equipment owners. It is designed to be "medium strength," which means it holds tight when you need it to but won't fight you to the death when it's time to fix something. You can break the seal with your regular wrenches and screwdrivers, so you aren't stripping heads or heating up parts with a torch just to change a fan blade or open a panel. It's the perfect balance of security and serviceability.

Using it is simple: just a drop on the threads before you drive the screw in. The liquid settles into the grooves and hardens into a tough plastic that locks the assembly together. It also seals the threads, which is a huge bonus if you are working in dirty or damp environments. That seal keeps rust from forming inside the nut, meaning next year when you go to do maintenance, the bolt comes out smooth instead of snapping off due to corrosion. It works on everything from case screws and mounting bolts to wire drive roll retainers.

The 0.20 fl oz bottle is small enough to fit in your pocket or the top tray of your toolbox without taking up space, yet it contains enough product for dozens of applications. Don't wait for a panel to start rattling or a ground connection to work loose. Make threadlocking a standard part of your maintenance routine. When you are putting your machine back together after blowing it out or replacing a part, use the Miller 274220 to ensure it stays put until you decide otherwise.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Volume:0.20 fl oz
Color:Blue
Strength:Medium
Chemical Type:Methacrylate Ester
Cure Type:Anaerobic

INCLUDED

  • (1) 0.20 fl oz Bottle of Loctite 242 Threadlocker Compound

APPLICATIONS

  • Securing case screws and panels on welding power sources
  • Locking mounting bolts on wire feeders and drive rolls
  • Preventing vibration loosening on engine-driven welder generators
  • Sealing threads against corrosion in humid environments
  • General maintenance of shop tools, grinders, and fixtures
  • Automotive and heavy equipment repair

FAQ

Blue threadlocker (like this Loctite 242) is medium strength and designed to be removable with standard hand tools. Red threadlocker is high strength and typically requires heat to disassemble.

Loctite 242 typically fixtures in 5-20 minutes depending on the metal, but full cure usually takes 24 hours.

No, this product is designed for metal-to-metal threads only. It may damage certain plastics.

No, anaerobic threadlockers are generally electrical insulators. It should be applied to the threads for locking, but care should be taken if electrical continuity through the threads is required (though face-to-face contact usually provides the path).

For best results, yes. Parts should be clean and dry, free of oil and grease. A cleaner/degreaser can be used prior to application.

Yes, but stainless steel is considered a 'passive' metal, so the cure time may be slower compared to steel or brass. A primer can be used to speed it up if necessary.

This is a 0.20 fl oz (approximately 6 ml) bottle.

Yes, this is a genuine Miller Electric part number (274220) containing Loctite 242.