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Würth Medium-Strength Threadlocker

Würth Medium-Strength Threadlocker

In stock

Key Features

  • Removable screw retainer and sealing compound - secure fasteners while still allowing disassembly with normal tools.
  • Provides medium-strength bonding, preventing loosening from vibration and shock loads.
  • Universal application on metals, including stainless steel and passivated surfaces.
  • No accelerator or activator required - cures in contact with metal in the absence of oxygen.
  • High resistance to solvents, oils, fuels, gases, and other aggressive media.
  • Excellent thermal stability, withstanding -55°C to 150°C.
  • Silicone-, solvent-, and oil-free formulation for clean, reliable application.
  • DOS dispensing system: one-handed operation, adjustable flow, and virtually zero product waste.

 

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£32.99 GBP
£32.99 GBP
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Taxes included. Shipping calculated at checkout.

Shipping Information

What Are My Shipping Options?

In-Store Pickup

In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00. 

An email confirmation will be sent when your order is ready for collection. 

Free Shipping

We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.

Shipping Fees

We also offer shipping at the following rates:

Standard-Size Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days -£23.99


Large Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days - £69.99

Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.

International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.

International orders to the rest of the world will normally be sent with DPD or UPS.

Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.

Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.

Dispatch Times

Orders placed before 15:00 Monday - Friday will be shipped on the same day. 

Orders placed after this time will be shipped on the following business day,

Please note, we are closed at weekends, as well as English Bank Holidays.

Returns Policy

Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.

Further Information

You can contact us for further information on our shipping policies using the following:

Phone: 01953 711 881

Email: sales@esupplyline.com

Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.

Contact Form: https://esupplyline.com/pages/contact

View full details

Description

Reliable Medium-Strength Thread Retention

Würth Medium-Strength Threadlocker is a dimethacrylic ester-based anaerobic adhesive designed to lock and seal threaded fasteners against vibration, shock, and thermal cycling. Unlike mechanical retainers, it prevents loosening without causing unwanted locking problems, and connections can still be undone using normal tools.

High Performance Across Industries

Suitable for use in automotive, commercial vehicle, shipbuilding, mechanical engineering, tool manufacturing, metalworking, and electrical applications, it is the ideal solution for securing screws, bolts, nuts, and plugs where medium-strength locking is required.

Durable and Resistant

The threadlocker provides excellent resistance to a wide range of fuels, oils, gases, and solvents while maintaining bond strength in demanding conditions. Once cured, it withstands continuous temperatures from –55 °C to +150 °C.

Efficient DOS System

With Würth’s DOS one-handed dispensing system, users benefit from precise, adjustable dosing, a clean application with no residue in the nozzle, and virtually complete emptying of the container. This reduces waste and makes the product highly cost-effective.

Safe Application on Metals

The formulation cures rapidly when in contact with metals in the absence of oxygen, achieving initial strength within 5–15 minutes and full curing in 1–3 hours. It is especially suited to copper and iron-containing substrates.

More Information

Application Instructions

  1. Ensure all threads are dry, clean, dust-free, and grease-free.
  2. Apply a sufficient amount of threadlocker to the adhesive surfaces.
  3. Assemble components immediately after application.
  4. Allow the adhesive to cure.

Safety and Usage Notes

  • Not recommended for prolonged contact with certain plastics (e.g. ABS, polycarbonate, PMMA, SAN, and painted surfaces).
  • Operating temperature range: -55°C to 150°C.
  • Store at room temperature; shelf life is 18 months.
  • Always wear protective gloves and eyewear during use.
  • Avoid direct contact with skin and eyes.

Specifications

Chemical Basis: Dimethacrylic acid ester

Colour: Blue fluorescent

Density: 1.12 g/cm³ (DIN EN ISO 2811-1)

Viscosity 1: 4000–9000 mPas at 25 °C (Brookfield RVT, spindle 3/2.5 rpm)

Viscosity 2: 1500–3000 mPas at 25 °C (Brookfield RVT, spindle 3/20 rpm)

Suitable For Threads Up To: M36

Gap-Filling Ability: Max. 0.25 mm

Initial Strength: 5–15 min

Functional Strength: 0.5–1 h

Final Strength: 1–3 h

Compressive Shear Strength: 10–20 N/mm² (ISO 10123)

Breakaway Torque: 15–25 Nm (DIN EN 15865)

Prevail Torque: 3–8 Nm (DIN EN 15865)

Processing Temperature: +5 °C to +35 °C

Temperature Resistance (Cured): –55 °C to +150 °C

Flash Point: Min. 100 °C

Shelf Life: 18 months (at room temperature)

Weight of Content: 25 g

Silicone-Free: Yes

Solvent-Free: Yes

Fully Curing Conditions: Exclusion of oxygen and contact with metal (copper or iron ions)