JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4 Boring Bar Blank standard-compliant dimensions that deliver repeatable

standard-compliant dimensions that deliver repeatable pass/fail results for reliable quality checks

This 4‑flute end mill features a long-neck design to reach deep pockets and tall features with improved rigidity

Left-hand spiral flute with right-hand cutting for efficient chip evacuation: Designed to move chips away from the cutting edge

enabling long-term use in demanding machining operations

round bores in a range of metals

JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4 Boring Bar Blank standard-compliant dimensions that deliver repeatableThe JBO Thread Plug Gauge is a precision go no go tool designed to verify trapezoidal thread holes with speed and reliability. Built for engineers, machinists, buyers, and quality teams across manufacturing, automotive, and aerospace, it delivers quick acceptance checks to ensure threaded components meet exact size and tolerance. This right hand plug gauge is sized for Tr. 16 x 4 with a 7H tolerance, aligned to standard trapezoidal thread