FESTO Pressure Hoses & Connectors Screw fastener 612281 - FESTO 153167, The Festo screw fastener 153167, also known as QSSF-3/8-8-B, is a pneumatic connector designed for secure and reliable fastening. It features compatibility with 3/8-8 thread sizes, ensuring a fit for various applications. Typically used in industrial automation, it provides efficient and robust performance in pneumatic systems. FESTO 153167 Screw Fastener 3/8-8-B Durable and precise Fastening