Granville Lock Thread & Seal - 50ml

Granville Lockthread is a fast curing, medium strength anaerobic thread locking compound designed ...

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Product Information

Full details

The Granville Lock Thread & Seal is a specialized anaerobic adhesive designed for mechanics, engineers, and DIY enthusiasts who need to secure threaded fasteners and cylindrical components against loosening. Its primary benefit is providing a reliable, medium-strength bond that resists intense vibration and chemical exposure, ensuring long-term hardware integrity. Users should note that while it provides a secure hold, it is specifically optimized for fasteners between 6mm and 20mm, meaning it may not be suitable for micro-fasteners or heavy-duty structural bolts requiring permanent high-strength locking.

All features

Model Part Number3102
BrandGranville

Extended Product Information

FAQs

Can this be used on plastic threads?

No, this is an anaerobic compound intended for use on metal-to-metal surfaces only.

Does this product work on stainless steel?

Yes, this formula is specifically optimized for less active materials like stainless steel and plated components.

Is it easy to remove later?

Yes, it is a medium-strength product designed to be removable with standard hand tools.

How long does it take to cure?

The product features a fast-curing formula, though full cure strength is typically reached within 24 hours depending on the temperature and gap size.

Can I use this for oil-soaked threads?

The product features improved oil resistance, but for maximum performance, you should clean the threads with a degreaser before application.

Troubleshooting

The compound is not hardening.

Ensure the parts are metal-to-metal and the gap is not too wide. Anaerobic thread lockers require metal contact and the absence of air to cure.

Difficult to remove the fastener during maintenance.

While it is a medium-strength product, use a high-quality, well-fitting wrench to apply steady pressure. If stubborn, apply localized heat to the fastener to break the chemical bond.

Pros and Cons

Pros

  • Resists vibrations and shock effectively
  • Compatible with stainless steel and plated surfaces
  • Removable using standard workshop hand tools
  • Excellent resistance to oil and chemical contamination

Cons

  • Not intended for fasteners smaller than 6mm
  • Limited to medium strength applications only
  • Requires anaerobic environment (metal-to-metal contact) to cure

Setup, Compatibility & Care

For successful installation, ensure that both the male and female threads are free of oil, grease, and dirt; although the product has improved oil resistance, a clean surface provides the strongest bond.

Compatibility: This product works best on fasteners ranging from 6mm to 20mm. It is fully compatible with metallic surfaces, including stainless steel and various plated finishes.

Care and Storage: Store the container in a cool, dry place. Always ensure the cap is tightened firmly after use to prevent the adhesive from curing inside the bottle due to moisture or air exposure. Keep away from direct sunlight and extreme heat sources.