







🔩 Lock it down like a pro — don’t let your projects come loose!
Loctite 242 Blue Threadlocker is a medium-strength, methacrylate anaerobic adhesive designed for multi-metal applications. Trusted by automotive professionals and OEMs, it sets quickly in 5 minutes and fully cures in 24 hours, providing durable, reliable thread locking for nuts, bolts, and fasteners across automotive, industrial, and DIY projects.




| Brand | Loctite |
| Specific Uses For Product | DIY Projects, Repairs, Maintenance, Workshops, Garages, Outdoor Settings |
| Material | Methacrylate Anaerobic |
| Item Form | Liquid |
| Color | Blue |
| Item Package Quantity | 1 |
| Package Information | Bottle |
| Item Volume | 36 Milliliters |
| Viscosity | Medium |
| Full Cure Time | 24 Hours |
| Water Resistance Level | Not Water Resistant |
| Unit Count | 1.22 Fluid Ounces |
| Viscosity Level | Medium |
| UPC | 079340374775 |
| Global Trade Identification Number | 00079340374775 |
| Manufacturer | Loctite |
| Model | Loctite 492140 Threadlocker 242 All-Purpose Medium Strength Bottle, Blue, 36-ml |
| Item Weight | 2.24 ounces |
| Product Dimensions | 6.25 x 2.25 x 1.1 inches |
| Item model number | 492140 |
| Is Discontinued By Manufacturer | No |
| Exterior | Chrome |
| Manufacturer Part Number | 492140 |
| OEM Part Number | OMC 500421 |
Trustpilot
1 month ago
2 days ago