Loctite 243 50ml Threadlocker Medium Strength Blue

Description

Loctite 243 is a medium-strength threadlocker supplied in a 50 ml bottle for locking and sealing threaded fasteners. It is intended to help prevent loosening from vibration and leakage through threaded assemblies while still allowing normal disassembly with standard hand tools. The formulation is suitable for active and passive metals, including stainless steel, aluminium and plated surfaces, and can be used on fasteners with minor oil contamination.

Features

  • Locks and seals threaded fasteners
  • Medium-strength hold for serviceable assemblies
  • Allows normal disassembly with standard hand tools
  • Suitable for active and passive metals
  • Primerless use on stainless steel, aluminium and plated surfaces
  • Tolerates minor contamination from oils on as-received fasteners
  • Fluorescent for inspection after application

Specifications

  • Package size: 50 ml
  • Package format: bottle
  • Colour: blue
  • Product type: one-component anaerobic threadlocker
  • Chemical base: acrylic, dimethacrylate ester
  • Viscosity characteristic: thixotropic
  • Fixture time: 10 minutes
  • Typical breakaway torque on M10 steel nuts/bolts: 26 N·m
  • Application temperature range: -55 °C to 180 °C
  • Certification: NSF/ANSI 61

Loctite 243 50ml Threadlocker Medium Strength Blue

Product form

Loctite 243 is a medium-strength threadlocker supplied in a 50 ml bottle for locking and sealing threaded fasteners. It is... Read more

2 in stock 1-2 business days

£82.25 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: LOC-243-50
    Barcode: 0120000120963

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    Loctite 243 is a medium-strength threadlocker supplied in a 50 ml bottle for locking and sealing threaded fasteners. It is intended to help prevent loosening from vibration and leakage through threaded assemblies while still allowing normal disassembly with standard hand tools. The formulation is suitable for active and passive metals, including stainless steel, aluminium and plated surfaces, and can be used on fasteners with minor oil contamination.

    Features

    • Locks and seals threaded fasteners
    • Medium-strength hold for serviceable assemblies
    • Allows normal disassembly with standard hand tools
    • Suitable for active and passive metals
    • Primerless use on stainless steel, aluminium and plated surfaces
    • Tolerates minor contamination from oils on as-received fasteners
    • Fluorescent for inspection after application

    Specifications

    • Package size: 50 ml
    • Package format: bottle
    • Colour: blue
    • Product type: one-component anaerobic threadlocker
    • Chemical base: acrylic, dimethacrylate ester
    • Viscosity characteristic: thixotropic
    • Fixture time: 10 minutes
    • Typical breakaway torque on M10 steel nuts/bolts: 26 N·m
    • Application temperature range: -55 °C to 180 °C
    • Certification: NSF/ANSI 61

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      Sign up for our newsletter

      Subscribe to our Mailing List

      Never miss any news and be the first to know about sale and offers

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa