Bison Cast Iron Scroll Chuck - 3 Jaw - 1 Piece Jaw Camlock Mount - 315mm & D1-8 Mount FMH FLH FHH S&E A&NF M&D The JBO Thread Ring Gauge

The JBO Thread Ring Gauge (GO) – Metric Fine is a precision inspection tool designed to verify the outer diameter of external threads with a clear GO limit

With its focused design

while the straight shank and DIN 8089 specification support easy integration into existing setups

this reamer delivers predictable cuts and efficient chip removal across a range of materials

while ISO H5 tolerance and DIN 206-B classification ensure consistent results across jobs

Bison Cast Iron Scroll Chuck - 3 Jaw - 1 Piece Jaw Camlock Mount - 315mm & D1-8 Mount FMH FLH FHH S&E A&NF M&D The JBO Thread Ring GaugeThe Bison 3244 series camlock mount 3jaw cast iron scroll chuck is built for precision turning in professional shops and dedicated hobby setups. Crafted from durable cast iron with ground working surfaces, it delivers true, repeatable grip across a wide range of parts for reliable performance day after day. Designed for machinists, toolmakers, and demanding workshops, this chuck supports up to a 315 mm capacity and uses a D18 camlock mount for fast,