LOCTITE 660: Your Solution for Worn and Loose Fittings! Perfect for bonding cylindrical fitting parts, LOCTITE® 660 fills gaps up to 0.5 mm, providing high strength and durability in high vibration environments. This high-viscosity retaining compound is ideal for worn seats, keys, splines, bearings, and tapers, ensuring a secure fit without the hassle of machining. Whether you're dealing with badly worn parts or need a reliable solution for retaining shims, LOCTITE 660 has you covered. With its