


🔧 Lock it down like a pro — don’t let your bolts bail on you!
LOCTITE 37421 Red Heavy Duty Threadlocker is a professional-grade adhesive designed for securing large bolts and studs in automotive and industrial settings. It bonds to all metals, sets quickly in 10 minutes, fully cures in 24 hours, and withstands shocks, vibrations, and temperatures up to 140°F. Trusted by OEMs and professionals alike, it ensures durable, reliable fastening with easy disassembly via heat.









| ASIN | B0028OJAIY |
| Assembly Required | No |
| Brand | Loctite |
| Colour | Red |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,011) |
| Date First Available | 16 August 2012 |
| Exterior | Packaged |
| Full Cure Time | 24 Hours |
| Generic Name | Loctite 487232 Threadlocker 271 High Strength Tube, Red, 6-ml |
| Global Trade Identification Number | 00079340374218 |
| Item Dimensions LxWxH | 16.5 x 9.7 x 2 Centimeters |
| Item Form | Tube |
| Item Package Quantity | 1 |
| Item Volume | 6 Millilitres |
| Item Weight | 4.54 g |
| Item model number | 37421 |
| Manufacturer | Loctite |
| Manufacturer Part Number | 37421 |
| Material | Metal-based formulation |
| Model | LOCTITE 271 Threadlocker for Automotive | Red, 6 ml Tube |
| Number of Pieces | 1 |
| OEM Part Number | 37421 |
| Package Information | Tube |
| Product Dimensions | 16.51 x 9.69 x 2.03 cm; 4.54 g |
| Special Feature | Strong |
| Special Features | Strong |
| Specific Uses For Product | Automotive, Industrial, DIY, Furniture, Heavy-Duty |
| Stain Resistant? | Yes |
| UPC | 079340374218 |
| Viscosity | Low viscosity |
| Viscosity Level | Low |
| Water Resistance Level | Water Repellent |
D**É
Filetage adapteur pour moteur
J**.
Rinde mucho y es un producto y marca que cumple lo que promete
A**M
Love the lock and unlock tip and work good as well
N**S
Replacing axle nuts on my ‘06 Corvette. Locked them on the shaft easily. As recommended, waited 24 hours for the thread lock to set properly.
J**J
Llega a tiempo y Excelente producto
Trustpilot
1 month ago
3 days ago