JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M20 x 1 Hydraulic Expansion Chucks delivering less downtime for tool

delivering less downtime for tool changes

84mm is a precision finishing tool designed to bring bore sizes to ISO H4 tolerance in tougher materials

preventing movement and enabling repeatable setups on both CNC and manual machines

enabling faster cycles and efficient material removal without sacrificing accuracy

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M20 x 1 Hydraulic Expansion Chucks delivering less downtime for toolThe JBO Thread Plug Gauge is a precision tool designed for inspecting metric fine threads. Its Go No Go design lets you quickly verify threaded holes, helping ensure parts fit together correctly and consistently. This Left Hand version is sized for M20 x 1 threads with 6H tolerance, and is built from hardened steel for long lasting performance in demanding shop environments. The rugged, knurled body also provides a secure grip for easy handling during