Recommended by my mate AI https://www.henkel-adhesives.com/de/en/product/threadlockers/loctite_2680.html Product: Loctite 268 – High Strength Threadlocker Stick Form: Solid (wax-like stick) Strength: High strength (comparable to Loctite 271 in liquid form) Product Type: Anaerobic threadlocker Color: Red Application: For permanent locking of threaded fasteners (up to ¾" or 19 mm) Loctite Product Number: 268