JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M9 x 1 Hydraulic Expansion Chucks This reamer is designed to

This reamer is designed to make bore finishing predictable and repeatable

repeatable results across a variety of pockets and features

making it a flexible addition to any workshop—ideal for steel

Its 4-flute configuration and tapered neck minimize chatter

This combination translates to smooth

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M9 x 1 Hydraulic Expansion Chucks This reamer is designed toThe JBO Thread Plug Gauge is a lefthand, metric fine thread plug gauge built for precise hole inspection in M9 x 1 sizes. Designed for Go No Go testing, it lets machinists, inspectors, and shop teams quickly verify that threaded holes meet the required tolerance (6H) so components assemble cleanly and reliably every time. Go No Go inspection for quick checks: Enables fast pass fail verification of M9 x 1 lefthand threads, reducing inspection time and