JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6G - M20 x 2 FMH FLH FHH S&E A&NF M&D and serious hobbyists who demand

and serious hobbyists who demand consistent size control

Secure taper shank with BS 328/4 compatibility: Provides stable mounting on compatible machines

The 2-flute geometry supports efficient material removal and smooth surface finishes

Type E7 tool accessory designed to hold two boring bars at once

ISO H5 Tolerance in Standard Length: Delivers precise hole size with a -0 to +0

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6G - M20 x 2 FMH FLH FHH S&E A&NF M&D and serious hobbyists who demandThe JBO Thread Plug Gauge is a precision inspection tool built for metric fine threads. Designed for Go No Go testing, it makes it quick and easy to verify threaded holes against exact specifications, helping parts fit together with confidence. This left hand gauge is sized for M20 x 2 with 6G tolerance, making it a reliable choice for applications that demand consistent thread quality. Fast Go No Go checks: Quickly determine acceptance or rejection