Material: Made from robust chromium, this Thread Adapter delivers long lasting performance during demanding drilling tasks and provides a reliable connection between male M22 and female 11/47 threads. Compatibility and function: Enables a secure connection between equipment with M22 male threads and 11/47 female threads, offering a versatile solution for a range of drilling setups. Easy installation: Intuitive design allows quick installation and straightforward adjustments, suitable for both novices and experienced drillers. Safety and reliability: Engineered with user safety in mind and built to meet stringent safety standards to minimize accident risk and promote confident operation. Applications: Ideal for hard rock formations and intricate underground projects, making it a valuable tool for professional jobsites and serious hobbyists. Use scenarios: Hard rock drilling and core sampling requiring a stable, compatible thread adapter. Underground boring or installation projects that require joining M22 male equipment to 11/47 female threaded components. Workshop or field tasks where a reliable thread conversion is needed to bridge different drilling systems. Specifications: Material: chromium Threading: M22 male to 11/47 female Performance: durable and secure connection in demanding drilling tasks