Bosch 92839 1/4″ Threaded Shank For 85130 & 85238

Crafted for precision and longevity, this mortising arbor offers fully hardened steel shanks that ensure enhanced durability when paired with Bosch’s 85238M hinge mortising bit. With a shank diameter of 1/4 inch and a 5/16 inch – 24 thread, it seamlessly integrates with compatible tools to deliver consistent results in mortising applications. Designed to meet the needs of both professional and DIY woodworkers, its robust construction allows for efficient performance, making it a reliable choice for creating clean and accurate hinge mortises in wood projects.