JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6G - M16 x 1 Face Mill Arbors delivering clean finishes and precise

delivering clean finishes and precise detailing

simplifying changeovers and reducing downtime in mixed-tool environments

helping maintain cutting efficiency and reducing the risk of chip build‑up during longer reaming passes

this 5-bar set delivers consistent geometry and durable construction to keep your boring work accurate

Its straight shank and stub length suit limited-space setups

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6G - M16 x 1 Face Mill Arbors delivering clean finishes and preciseThe JBO Thread Plug Gauge is a precision inspection tool built for metric fine threads. Its ideal for machinists, engineers, quality teams, and assembly technicians who need fast, reliable checks to confirm that threaded holes match the M16 x 1 left hand specification. Use it during setup, first article inspections, or routine quality control to ensure components fit together smoothly. Designed for durable, repeatable performance, this gauge features