If i apply this product on brake bracket-to-steering knuckle bolts will i be able to loosen those bolts just w/huge breaker bar, without heat?

Sorry, I meant to type primer SF 7649 or SF 7471. Loctite 277 is a high strength threadlocker that requires primer SF 7649 or 7411 when it's applied on 2 plated metals, 2 low energy surfaces, or 2 non-active metal surfaces. If one of the parts is active, the primer is not required. After the product cures, applying head and removing while the assembly is still hot, is the best/safest way to disassemble without stripping the threads. You could try removing with a hand tool first, but the resistance is too much, heat the head of the screw to 450F to disassemble.

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描述

🔒 Lock it down like a pro—because your ride deserves nothing less!

VIBRATION PROOF SECURITY - Prevents loosening under intense vibration—ideal for suspension and wheel studs.
INDUSTRIAL GRADE STRENGTH - Engineered to secure large bolts and studs 25mm+ with unmatched durability.
HEAT ACTIVATED DISASSEMBLY - Bond can be softened with heat for easy maintenance without damage.
TRUSTED BY AUTOMOTIVE OE MS - Specified and approved for factory assembly lines ensuring professional-grade reliability.
UNIVERSAL METAL COMPATIBILITY - Works seamlessly on aluminum, stainless steel, and all metal fasteners.

Loctite 38656 277 Red Large Threads Threadlocker is a high-strength liquid adhesive designed to lock and seal large bolts and studs 1 inch (25 mm) or larger. Trusted by automotive OEMs and used on factory assembly lines, it prevents vibration loosening on critical vehicle components like suspension fasteners and wheel studs. Compatible with all metals, it cures fully in 24 hours and requires heat to weaken the bond for disassembly. Packaged in a convenient 36 ml bottle, it’s the go-to solution for fleet and plant maintenance professionals.

规格

Brand	Loctite
Specific Uses For Product	Fleet and plant maintenance.
Material	Aluminum,Stainless Steel
Compatible Material	All Metals
Item Form	Liquid
Special Feature	Strong
Color	Red
Item Package Quantity	1
Package Information	Bottle
Item Volume	36 Milliliters
Viscosity	7000 centipoise
Full Cure Time	24 Hours
Water Resistance Level	Not Water Resistant
Unit Count	1.22 Fluid Ounces
UPC	079340386563
Global Trade Identification Number	00079340386563
Manufacturer	Loctite
Model	Loctite 555353 Threadlocker 277 High Strength Bottle, Red, 36-ml
Item Weight	2.4 ounces
Product Dimensions	6.25 x 2.25 x 1.1 inches
Item model number	38656
Manufacturer Part Number	555353
OEM Part Number	38656
Special Features	Strong