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LOCTITE 37421 Red Heavy Duty Threadlocker is a professional-grade adhesive trusted by OEMs and mechanics alike. Designed for large bolts and studs (≥1 inch), it bonds quickly (10-minute set, full cure in 24 hours) and withstands extreme shock, vibration, chemicals, and temperatures up to 140°F. Compatible with all metals including stainless steel and aluminum, it offers enhanced oil tolerance for superior performance. Disassembly requires heat, ensuring a secure, durable hold for critical automotive and industrial applications.
| ASIN | B0028OJAIY |
| Best Sellers Rank | #8,019 in Automotive ( See Top 100 in Automotive ) #28 in Thread Lock Sealers |
| Brand | Loctite |
| Brand Name | Loctite |
| Color | Red |
| Compatible Material | Aluminum, Stainless Steel |
| Container Type | Tube |
| Customer Reviews | 4.8 out of 5 stars 1,066 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340374218 |
| Included Components | (1) LOCTITE 271 Threadlocker for Automotive | Red, 6 ml Tube |
| Item Form | Tube |
| Item Package Quantity | 1 |
| Item Type Name | automotive-thread-lock-sealers |
| Item Weight | 0.01 Pounds |
| Manufacturer | Loctite |
| Material | Metal-based formulation |
| Material Type | Metal-based formulation |
| Model | 37421 |
| Other Special Features of the Product | Strong |
| Special Feature | Strong |
| Specific Uses For Product | Automotive, Industrial, DIY, Furniture, Heavy-Duty |
| UPC | 079340374218 |
| Viscosity | Low viscosity |
| Volume | 6 Milliliters |
| Water Resistance Level | Water Repellent |
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