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A 50ML BOTTLE OF HIGH STRENGTH STUD AND BEARING LOCK

Suitable For Bonding Bearings To Worn Housings And Ideal For Locking Studs, Nuts And Bolts In Position.

Thixotropic anaerobic threadlocker is a high strength designed for use where the parts do NOT require to be disassembled very often.

B638's anaerobic nature allows it to cure only when confined between metal parts.

A high strength retainer for cylindrical parts.

Use on studs or bolts in engines (e.g. Head studs), flywheel bolts and bearings etc.

Works well on threaded pipe fittings as well if Teflon (PTFE) sealing needs to be avoided.

Designed for use on all studs, where vibration loosening prevention and non-leakage through threaded fastenings is required. 

Ideal on studs, bolts, etc where a very high bond is required.

Also perfect for stainless steel components.


Opening Hours

Monday-Thursday 8.30am to 5.00pm

Friday 8.30am to 3.00pm



International customers are most welcome

Postage Details And Dispatch Times

The majority of items that we have listed are available from stock and will be dispatched within 24 hours. Some items will be sent direct from our suppliers and may take a little longer but notification will be given on this. Please email or call us if you have any questions regarding postage or availability. We send our items via a number of postal services, standard Royal Mail 24, first class recorded delivery sign for, or Parcelforce 24 hour also tracked and sign for and all depending on item value and location. (our suppliers may use different couriers). Tracking numbers be it Royal Mail, Parcelforce or our other couriers are held on record and issued at the time of dispatch.

Returns Information

The buyer is responsible for return postage costs on items that are correctly supplied. Because of the vast range and product types, many parts may appear to be correct and then are not. If you are unsure of the application, then email us for advice before you purchase items and we will guide you accordingly. Any errors on our part will be rectified by us free of charge.

Additional Information

Advanced Automotive is a VAT registered company and a VAT invoice will be provided with your order. International customers who qualify for VAT exemption must submit a current EU VAT number to be exempt from UK VAT.

   Please enquire before purchasing to ensure you have the correct documentation.