JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M48 x 1.5 Die & Mould Collet Chucks and supports consistent results across

and supports consistent results across daily production runs

this HSS (M2) reamer uses a BS 328/4 taper shank for secure seating and predictable performance

straight shank suitable for standard hand reaming setups

Use it to verify thread engagement during assembly and prevent misfits before production moves forward

The ISO H5 tolerance ensures tight control over hole diameter

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M48 x 1.5 Die & Mould Collet Chucks and supports consistent results acrossThe JBO Thread Plug Gauge (NoGo) Metric Fine Left Hand 6H M48 x 1. 5 is a precision measurement tool designed to verify internal threads in metric fine pitch holes. Its ideal for machinists, quality inspectors, and workshop technicians who need fast, objective verification of hole size and tolerance. Crafted from hardened steel for durability, this gauge resists wear in busy environments and maintains its accuracy over many uses. The left hand design