The 3/4″ to 1/2″ Adaptor from STAHLWILLE is designed for reliable torque transmission up to 512 N·m. Made from robust HPQ® high-performance steel and chrome-plated for corrosion resistance and durability, it ensures long-lasting performance. Manufactured to DIN 3123 and ISO 3316 standards, this adaptor provides a precise, secure fit between drive sizes for professional applications.








