Which thread sizes is Loctite 241 suitable for?

This threadlocker is specifically formulated for small fasteners up to size M12.

Can fasteners still be disassembled after application?

Yes, the medium strength allows easy disassembly using standard hand tools.

Which metals is this threadlocker compatible with?

It works on all metals, including steel, brass, stainless steel, and plated surfaces.

What is the main purpose of Loctite 241?

It locks and seals threaded fasteners to prevent loosening from shock and vibration.

How does this product cure?

The liquid cures anaerobically when confined in the absence of air between close-fitting metal surfaces.

LOCTITE 241 medium-strength, low-viscosity threadlocker for small thread sizes (50 ml bottle) - 135352

Name: LOCTITE 241 medium-strength, low-viscosity threadlocker for small thread sizes (50 ml bottle) - 135352
Brand: LOCTITE
SKU: 02147930
Price: 60.2 EUR
Availability: InStock

Supplier number: LOCTITE 135352 | EAN 5010266241302

From 1 piece €60.20

From 12 pieces €57.19 - €36.12 saving

From 24 pieces €55.68 - €108.36 saving

From 36 pieces €54.18 - €216.72 saving

60.20 tax incl.

€49.75 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 07/11/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Reliable locking with Loctite 241

Practical benefits

Resists loosening from vibration: You protect threaded assemblies against shock and vibration thanks to the dependable medium-strength formulation.
Optimized for small threads: The low-viscosity liquid flows easily into fine fastener threads up to size M12.
Easy disassembly with handtools: You can easily service and disassemble locked components using standard hand tools without damaging fasteners.

In a nutshell

The right choise for

With Loctite 241, you reliably lock and seal fine threaded assemblies up to size M12 against shock and vibration. Thanks to its low viscosity, the liquid formula penetrates smoothly into small fastener threads. It cures anaerobically between close-fitting metal surfaces, including steel, brass, and stainless steel. The medium strength ensures your machinery and precision components stay securely fastened under dynamic loads, yet allows straightforward disassembly using standard hand tools whenever maintenance is needed. The handy 50 ml bottle enables quick and precise application.

Product information FAQ

€60.20

In stock - tax incl.

Key features according to our expert

Net volume: 50 ml
P-statements: P101; P102; P261; P273; P337 + P313; P501
Relative density: 1,08
ADR class: Not applicable
UN number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
ADR packing group: Not applicable
H-statements: H319; H335; H412
Physical state: Liquid
Flash point: > 100 °C
Packaging: Bottle
Max. thread size: Up to M12
Strength (locking compound): Medium
Hazard class: GHS07 Harmful or irritant

Product description:

Medium strength, low viscosity threadlocking adhesive.
Formulated for small metal threads up to M12.
LOCTITE 241 is a methacrylate-based threadlocking adhesive designed for medium strength applications on small threads.
Typical fixture times are 35, 12 and 240 minutes on steel, brass and stainless steel respectively.
Offering low viscosity and a breakaway torque of 11.5 Nm, the product is intended for fasteners that require normal disassembly with standard hand tools.

Precautionary statements

P101: If medical advice is needed, have product container or label at hand.
P102: Keep out of reach of children.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P273: Avoid release to the environment.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P501: Dispose of contents/container to ... (see safety data sheet).

Hazard statements

H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H412: Harmful to aquatic life with long lasting effects.

All Features

Net volume: 50 ml
P-statements: P101; P102; P261; P273; P337 + P313; P501
Relative density: 1,08
Adr class: Not applicable
Un number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Adr packing group: Not applicable
H-statements: H319; H335; H412
Physical state: Liquid
Flash point: > 100 °C
Packaging: Bottle
Max. thread size: Up to M12
Strength (locking compound): Medium
Hazard class: GHS07 Harmful or irritant

Brand LOCTITE
02147930
EAN 5010266241302
Supplier number LOCTITE 135352

Frequently asked questions about this product

Answered by specialists

Which thread sizes is Loctite 241 suitable for?: This threadlocker is specifically formulated for small fasteners up to size M12.
Can fasteners still be disassembled after application?: Yes, the medium strength allows easy disassembly using standard hand tools.
Which metals is this threadlocker compatible with?: It works on all metals, including steel, brass, stainless steel, and plated surfaces.
What is the main purpose of Loctite 241?: It locks and seals threaded fasteners to prevent loosening from shock and vibration.
How does this product cure?: The liquid cures anaerobically when confined in the absence of air between close-fitting metal surfaces.