Permatex Large Diameter Threadlocker Red 36ml 27740

Permatex Large Diameter Threadlocker Red 36ml

OEM specified. A high strength adhesive for locking and sealing large bolts and studs 25mm or larger in diameter. Heat may be required to weaken the bond before parts can be disassembled. Conforms to ASTM D5363 AN0211 (Mil-S-46163A, Type I, Grade L).

Permatex is a leading brand known for its extensive range of high-performance adhesive, sealant, and maintenance products designed to meet the demanding needs of automotive, industrial, and DIY applications. Permatex offers a wide variety of products, including gasket makers, threadlockers, sealants, adhesives, lubricants, and cleaners. These products are specially formulated to provide reliable solutions for tasks such as sealing leaks, bonding components, preventing loosening of threaded fasteners, and protecting against rust and corrosion.

Key features

• High temperature, high strength threadlocker for heavy-duty applications
• Prevents bolts and press fits 10mm to 38mm from loosening due to shock, severe vibration and heat stress
• Exclusive formulation for newer engines and high performance applications
• Removable with heat and hand tools

Technical details

• Volume: 36ml
• Application type: Threadlocker
• Compatible with large diameter bolts and studs (25mm or larger)
• Meets ASTM D5363 AN0211 standards

Applications / fitment

Typically used for securing large bolts and studs in automotive and industrial settings.

• Passenger vehicles
• 4x4 and off-road vehicles
• Heavy machinery
• Industrial equipment
• Marine applications

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.

Frequently asked questions

How do I apply the threadlocker?

Ensure the surfaces are clean and dry, then apply a small amount of threadlocker to the bolt or stud before tightening.

Can I remove the threadlocker once applied?

Yes, the bond can be weakened with heat, allowing for removal with hand tools.

Is this product suitable for all types of metals?

This threadlocker is designed for use with most metal surfaces, but it's best to check compatibility with specific materials.

What temperature range can this threadlocker withstand?

This product is formulated for high-temperature applications, making it suitable for demanding environments.

Can I use this on smaller bolts?

This product is specifically designed for large diameter bolts and studs (25mm or larger) and may not be effective on smaller sizes.