Permatex Permanent Strength Threadlocker Red, 36 ml vs Loctite Threadlocker Blue 242 - Removable Thread Lock Glue (6 ml, 12 pack)
Overall winner: Loctite Threadlocker Blue 242 - Removable Thread Lock Glue (6 ml, 12 pack)
Key Differences
Loctite Blue 242 (A) is a removable threadlocker sold in smaller tubes and is described as removable with hand tools and prevents vibration loosening; Permatex Red (B) is a permanent, higher-strength formula in a larger bottle aimed at secured fasteners 3/8" to 1". Choose Loctite A if you want a removable, corrosion-sealing option with far more user reviews and a lower listed price tier; choose Permatex B if you need a permanent, high-strength gel for larger fasteners despite mixed strength feedback and a bulkier applicator
Permatex Permanent Strength Threadlocker Red, 36 ml
Permanent threadlocker for fasteners 3/8" to 1"; resists heavy shock, vibration, and extreme conditions. Users note easy application and secure threading, with some concerns about bottle size and strength
Pros
- high strength threadlocking for secured threads
- easy-to-apply gel formula
- suitable for fasteners 3/8" to 1"
Cons
- mixed feedback on overall strength
- bottle size and large applicator tip noted
- reported instances of nearly empty bottles
Loctite Threadlocker Blue 242 - Removable Thread Lock Glue (6 ml, 12 pack)
Removable thread locker glue to prevent loosening and corrosion on threaded fasteners. Fully cures in 24 hours; suitable for 6-20 mm fasteners. Customers note easy application and versatile use, with some reports of runniness
Pros
- Removable with hand tools
- Prevents loosening from vibration
- Seals and protects against corrosion
- Easy to apply
Cons
- Some users report runny consistency
- Mixed durability reports over time
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Loctite |
| Durability | Loctite |
| Versatility | Loctite |
| User Reviews | Loctite |