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Weiconlock AN 301-70 Threadlocker

Material AG000466S01 Category

Weiconlock AN 301-70 Threadlocker

A medium viscosity, high strength adhesive that’s designed for threadlocking applications.

This quality anaerobic adhesive is NSF approved and suitable for potable water applications.

A medium viscosity, high strength grade of adhesive that’s designed for threadlocking applications. This high quality anaerobic adhesive is NSF approved and forms part of the special White Line of Weiconlock adhesives that are non-marking and meet stringent NSF/ANSI 61 requirements for use in drinking water applications.

Once a threaded connection has been locked and sealed with Weiconlock AN 301-70 it will be hard to disassemble. This ensures that threaded bolts and screws remain fastened and do not come loose prematurely.

Technical Details
Colour Green
For Threaded Joints Up To M 25
Viscosity at 25ºC Brookfield 500 – 900 mPa·s
Gap filling capacity (max.) 0.15mm
Breakaway Strength (Thread) 25 – 35 Nm
Prevailing Strength (Thread) 40 – 50 Nm
Shear Strength (DIN 54452) 14 – 20 N/mm²
Handling Strength at Room Temp. 5 – 15 min.
Final Strength at Room Temp. 5 – 10 hours
Temperature Resistance -60ºC to +150ºC
Available Sizes

Weiconlock AN 301-70 Anaerobic Adhesive is available from your local AG in 20ml, 50ml or 200ml bottles. These special pen shaped bottle allow for easy, accurate application while the base minimises the chances of any spillage.

Surface Preparation

Generally speaking, Weiconlock AN 301-70 does not require pretreatment of the surface as even slightly oily surfaces cab still be adhered. That being said, best results will be achieved on cleaned and degreased surfaces (Weicon Surface Cleaner is ideal for this task). If required the parts should be slightly roughened.


Weiconlock AN 301-70 is ready to use from the moment you open the bottle. It should be evenly applied direct from the bottle/tube with the dispensing tip (avoid direct contact between the dispensing tip and metal). Weiconlock AN 301-70 should be applied evenly around the thread of the screw or bolt.

Do not pour any excess Weiconlock fluid that has made contact with metal back into the bottle. Even the smallest metal particles will cause the contents of the bottle to cure once the lid is re-closed. In series construction or production line situations, the use of manual or automatic applicators is suggested. For full use instructions, please consult the TDS & SDS for this product (both of which can be provided by your local AG branch).

Additional Information and Resources

TDS Icon
Weiconlock AN 301-38 Cylindrical Assembly Sealer TDS
SDS Icon
Weiconlock AN 301-38 SDS
Video Icon
Weiconlock AN 301-70 Threadlocker Product Video
SDS Icon
Weiconlock Adhesives Brochure
Adhesive Finder Tool

Unsure if this adhesive is suitable for your application? Try Weicon’s handy Adhesive Finder tool!


Max. Continuous Temp.

Min. Continuous Temp.

One or Two Part Glue

Threadlocker Viscosity

Threadlocker Strength

For Threaded Joints Up To…

Max. Gap Filling Capacity

100% Cure


Any Approvals for Water / Food

Approved for Gas

Approved for Oxygen Sealing

Dangerous Goods for Transport