LOCTITE 243 Medium Strength Threadlocker

LOCTITE® 243 is a versatile medium-strength, removable threadlocker designed to secure and seal all types of metal threaded fasteners, ensuring reliable protection against loosening caused by vibration and dynamic loads. Its advanced formula works effectively on both active and passive metals, including stainless steel, aluminum, and plated surfaces, while maintaining performance even in the presence of light industrial oil contamination such as engine oils, corrosion inhibitors, or coolants. The product is easily identifiable by its blue color and is suitable for threads up to M36, offering a breakaway torque of 26 Nm. With an operating temperature range from -55°C to +180°C, it guarantees dependable performance in demanding environments. LOCTITE® 243 develops handling strength within 15–30 minutes and reaches full curing between 3 and 24 hours, depending on the substrate, making it an efficient solution for both maintenance and production applications. Certified with NSF P1 (No. 123000), it meets strict safety standards, ensuring suitability for use in sensitive environments. Available in convenient 10 ml and 50 ml packaging, this adhesive is the trusted choice for professionals seeking durability, reliability, and ease of use in securing bolts, nuts, and pins.