






🔧 Lock it down with confidence — the blue stick that means business!
Loctite 37643 Blue Medium Strength Threadlocker Stick delivers dependable medium strength locking and sealing in a convenient wax-like stick form. Perfect for precision application on aluminum and stainless steel fasteners, it’s designed for challenging repairs including overhead bolts on valve covers, water pumps, and carburetors. Compact and portable, it fully cures in 24 hours, making it an essential tool for professionals seeking reliable, mess-free threadlocking.




| Brand | Loctite |
| Specific Uses For Product | Repair |
| Material | Aluminum,Stainless Steel |
| Item Form | Stick |
| Special Feature | Strong |
| Color | Blue |
| Item Package Quantity | 1 |
| Package Information | Tube |
| Item Volume | 9 Cubic Centimeters |
| Viscosity | [AI] Medium |
| Full Cure Time | 24 Hours |
| Water Resistance Level | Not Water Resistant |
| Unit Count | 1.0 Count |
| Viscosity Level | Medium |
| UPC | 079340376434 |
| Global Trade Identification Number | 00079340376434 |
| Manufacturer | Loctite |
| Item Weight | 0.01 ounces |
| Product Dimensions | 3.5 x 0.75 x 0.75 inches |
| Item model number | 37643 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 506166 |
| OEM Part Number | 37643 |
| Special Features | Strong |
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