JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M3 x 0.25 Die & Mould Collet Chucks DIN 8093 / ISO H4

DIN 8093 / ISO H4 tolerance on a straight-shank stub: Provides precise hole sizing and compatibility with standard reaming workflows

It features a left-hand spiral flute with right-hand cutting to support smooth chip evacuation and a tight final diameter

while the left-hand spiral flute aids controlled chip removal for smoother cutting in a range of steels and alloys

reducing runout and improving finish quality

Designed for versatility across common metals and plastics

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M3 x 0.25 Die & Mould Collet Chucks DIN 8093 / ISO H4The JBO Thread Plug Gauge is a precision instrument designed to quickly verify metric fine threaded holes with confidence. Built for engineers, machinists, quality teams, and shop floor technicians, this right hand Go No Go gauge targets M3 x 0. 25 threads within a 4H tolerance, helping you confirm hole readiness at a glance. Go No Go inspections for rapid decisions: Quickly determine whether a hole meets the specified M3 x 0. 25 thread size and 4H