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🔧 Lock it down, but keep control — the smart thread locker for pros who demand reliability.
Blue Thread Locker 243 is a medium-strength anaerobic adhesive designed to lock and seal metal fasteners up to M32. It cures at room temperature within 24 hours, providing durable resistance against vibration, shock, corrosion, and extreme temperatures. Its removable nature allows easy disassembly with tools without heating, making it perfect for professionals seeking reliable yet serviceable fastening solutions across automotive, industrial, and household applications.
| Asin | B09SLRN9MV |
| Best Sellers Rank | #78,999 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #333 in Hardware Nuts & Bolts |
| Brand Name | ESKONKE |
| Color | Blue |
| Compatible Material | Metal |
| Container Type | Bottle |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,369) 4.6 out of 5 stars |
| Full Cure Time | 24 Hours |
| Included Components | Liquid |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Weight | 60 Grams |
| Manufacturer | ESKONKE |
| Material Type | Epoxy Acrylate(60-65%) / Oleic acid, ethoxylated(25-30%) |
| Model | 243 |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | Anaerobic adhesive, blue thread locker 243, metal glue, thread lock nuts bolts, thread locker 243 |
| Part Number | TL21-S002R |
| Specific Uses For Product | Lock Tight Fasteners, Lock Tight Nuts Bolts, Seal Fasteners |
| Tensile Strength | 180 Pounds Per Square Inch |
| Unit Count | 1.69 Fluid Ounces |
| Upc | 788462034992 |
| Viscosity Level | Medium to High |
| Volume | 1.69 Fluid Ounces |
| Water Resistance Level | Water Resistant |
User
Good adhesive
Works well
User
Pricy but works fine
Pricy but works fine
User
Works perfect
Thread locker worked as it should. Came fast and the bottles are big. Worth the price. Drying time is perfect
User
Essential Dual-Strength Thread Locker for Any Mechanic or DIYer!
This 2-pack Thread Locker with both Blue 243 Medium and Red 271 High strength is an absolute must-have for any mechanic, DIYer, or automotive enthusiast! The Blue handles everyday fasteners that need vibration resistance but occasional removal, while the Red is perfect for permanent high-torque applications. Both hold incredibly well and the dual pack means you're covered for any job. I use these constantly on vehicle repairs and projects — they never let me down!
User
Works great!
Works great!
Trustpilot
3 weeks ago
3 weeks ago