Good thread sealant is cheap and easy to buy. If you try to buy it locally you will have to search for it and pay a lot more for it as they only sell large sizes.
π΄ Permatex 81160 High-Temp Red RTV Silicone Gasket: Reliable 3 oz Solution
9 Review
BFGoodrich All-Terrain T/A KO2 215/65 R16 103S summer
11 Review
Loctite Red 262 High-Strength Threadlocker - 1.69 fl. oz. Bottle (26231)
11 Review
Black POR-15 Patch - 4 oz Filler & Seam Sealer with Ultimate Adhesive Properties - Repairs Holes, Cracks in Steel, Wood, and select Plastics - Reinforces Weakened Metal
12 Review