JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6G - M17 x 1 Power Milling Chucks Taper shank design: Enables secure

Taper shank design: Enables secure mounting in compatible toolholders

Flute geometry: Left-hand spiral flute with right-hand cutting for stable finishes and effective swarf control

including pre-hardened steel as well as alloy and carbon steels

Rigidity: Optimized core design to minimize deflection during deep cuts

and refined corner radii

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6G - M17 x 1 Power Milling Chucks Taper shank design: Enables secureThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, ideal for machinists, quality inspectors, and assembly teams that need dependable hole fit verification. This Left Hand gauge covers M17 x 1 with a 6G tolerance, and its Go No Go design provides instant pass fail checks to keep production moving smoothly. Go No Go fast checks: Quickly verify whether a threaded hole accepts the gauge, reducing guesswork and