

🔩 Lock it tight, fix it right — the pro’s choice for thread security!
Loctite 506166 is a medium strength anaerobic threadlocker in a convenient blue wax stick form, delivering 1200 PSI tensile strength. Designed for versatile use on metal fasteners like valve cover and drive shaft bolts, it cures fully in 24 hours and allows easy removal with hand tools. Ideal for professional-grade repairs and volume assembly, this self-feeding applicator stick ensures precise, mess-free application—even in challenging overhead scenarios.




| ASIN | B0053ZNMDE |
| Best Sellers Rank | #50,792 in Automotive ( See Top 100 in Automotive ) #222 in Touchup Paint |
| Brand Name | LOCTITE |
| Color | blue |
| Compatible Material | Metal |
| Container Type | Stick |
| Customer Reviews | 4.8 4.8 out of 5 stars (3,866) |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340376434 |
| Included Components | (1) All-Purpose Medium Strength Anaerobic Threadlocker Stick, Blue, 9-Gram |
| Item Form | Stick |
| Item Package Quantity | 1 |
| Item Type Name | Loctite 506166 All-Purpose Medium Strength Anaerobic Threadlocker Stick, Blue, 9-Gram |
| Item Weight | 0.01 Ounces |
| Manufacturer | Loctite |
| Material Type | Aluminum,Stainless Steel |
| Model | 37643 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Strong |
| Part Number | 506166 |
| Specific Uses For Product | Repair |
| Tensile Strength | 1200 Pounds Per Square Inch |
| UPC | 079340376434 |
| Unit Count | 1 Count |
| Viscosity Level | Medium |
| Volume | 9 Cubic Centimeters |
| Water Resistance Level | Not Water Resistant |
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