Loctite 263 Anaerobic Adhesive Threadlocker Red 50 ML

Henkel Loctite 263 is a dual-cure, red, acrylic dimethacrylate ester fluorescent threadlocker developed for permanent locking and sealing of threaded fasteners. It cures between metal surfaces and prevents loosening and leaking caused by shock and vibration. LOCTITE 263 has a strong cure performance. It is effective not just on active metals (such as brass and copper), but also on passive substrates such as stainless steel and plated surfaces. The product is oil-tolerant and performs well at high temperatures. It can withstand minimal surface contamination from a variety of lubricants, including cutting, lubricating, anti-corrosion, and protection fluids. The recommended replacement for LOCTITE 270 is LOCTITE 263.

Technical Information


Agency approvals / certificates / specifications NSF/ANSI 61
Application Temperature-65.0 - 360.0 °F (-55.0 - 180.0 °C )
ApplicationsThreadlocking
Applications MethodDispense System, Manual
Breakaway torque, M10 Steel Nuts/Bolts 33.0 N·m (290.0 in./lb. )
Cure Type
Anaerobic Cure
ColourRed
Fixture time10.0 min.
Key characteristicsDisassembly: Disassembly with Heat, Fluorescent, General Purpose, Oil Tolerant, Primerless, Strength: High Strength
Prevail torque, M10 Steel Nuts/Bolts

33.0 N·m (290.0 in./lb. )

Recommended for use withMetal, Metal: Passive Metal
Specific gravity, @ 25.0 °C1.1
Viscosity, 20 RPM

500.0 mPa·s (cP)


Loctite 263 | Anaerobic Adhesive | Threadlocker

Bulk Order Discounts

We are pleased to offer bulk order discounts to our valued customers. To take advantage of these discounts, please contact us directly with the following information:

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Preferred Delivery Date

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We appreciate your interest in our bulk order discounts and look forward to hearing from you soon.

Shipping Options & Delivery Costs

We offer the following shipping options – DHL Express, USPS, UPS Express without any additional cost to you except few postal codes which comes under Remote Area Delivery (RAD) – If your delivery postal codes comes under RAD then we will charge USD 40 per shipment extra at the time of checkout.

Order Processing Time

All orders placed between Monday to Friday are processed and dispatched within 2 working days. All orders placed during the weekend or on a public holiday will be sent from our warehouse on Monday or on the next business day.

Delivery Address & P.O. Boxes

Please note that we are unable to modify the delivery address once you have placed your order. We are sorry but we do not ship to P.O. boxes

Import / Custom Duties

If your delivery address is in US / Canada / Australia, then please worry free about the import / custom duties because in these countries we will handle the duties levied on our buyers. For rest of the countries mentioned above, your package may be subject to import duties and taxes. You, as the customer, are responsible for paying those fees. We recommend that you check with your local customs office before placing an order on our website as these fees can sometimes be significant and we are unable to calculate these for you.

Tracking Your Order

Once your order has been dispatched, we will send you a confirmation email with tracking information. You will be able to track your package directly on the carrier’s website.

Returns, Refunds, and Exchanges

We want you to be completely happy with your purchase. If you are not happy with the product / services, please contact us on Email: [email protected] or Phone Number: +91-9466950548, we will either exchange the product or issue full refund to you.

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