JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4 Boring Bar Blank 4-Flute Carbide End Mill: Four

4-Flute Carbide End Mill: Four flutes provide efficient chip evacuation and a strong cutting edge

Stock status note: In-stock indicators relate to blanks ready to machine into the reamer

Designed for reliability and easy integration into existing workflows

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

this gauge helps technicians confirm whether a left-hand threaded hole meets Unified thread standards and will function as intended with a mating part

JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4 Boring Bar Blank 4-Flute Carbide End Mill: FourThe 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