







🔧 Lock it down, loosen it up — the pro’s choice for every bolt!
Loctite 492140 Threadlocker 242 is a medium-strength, blue adhesive designed for all-purpose use on metal fasteners sized 6mm to 19mm. It bonds quickly, setting in 5 minutes and fully curing in 24 hours, while remaining removable with hand tools for easy maintenance. Trusted by automotive OEMs, it secures bolts without corrosion and eliminates the need for expensive lock washers, making it a must-have for professionals seeking reliable, efficient fastening solutions.
| Manufacturer | Loctite |
| Brand | Loctite |
| Model | Loctite 492140 Threadlocker 242 All-Purpose Medium Strength Bottle, Blue, 36-ml |
| Product Dimensions | 15.88 x 5.72 x 2.79 cm; 63.5 g |
| Item model number | 492140 |
| Exterior | Chrome |
| Manufacturer part number | 492140 |
| OEM Part Number | OMC 500421 |
| Special Features | Noncorrosive, Removable |
| Item Weight | 63.5 g |
| Viscosity | Low |
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