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finish-ready holes with minimal rework
machinists and hobbyists who need reliable
consistent corner radii for mold cavities and die features
delivering longer tool life and steadier machining performance
Its straight shank ensures compatibility with many clamping and holding systems
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M12 x 1.25 FLH finish-ready holes with minimal reworkThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. It helps machinists, engineers, quality inspectors, and maintenance teams quickly verify threaded holes meet the M12 x 1. 25 fine thread standard, ensuring reliable mating with fasteners. This left hand gauge is built for durability and accuracy in demanding assemblies, conforming to the 6H tolerance to ensure proper fit and predictable performance. Go No Go
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