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Flute Count: 2-flute design for fast material removal and clean edges
Durable carbide construction: Hard carbide resists wear
Through‑coolant carbide reamer: Directs coolant through the tool to the cutting edge
Flute design: 60° single flute for efficient chip evacuation and smooth cutting
it delivers dependable performance in demanding environments
JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - 1/4 x 28 End Mill Holders Flute Count: 2-flute design forThe JBO Thread Plug Gauge is a precision tool designed to quickly verify UNF threads, specifically the left hand variant of 1 4 x 28, with a 2B tolerance. Its ideal for inspectors, machinists, and quality teams across manufacturing, automotive, and aerospace environments, helping you confirm threaded holes meet universal standards and are ready for use in critical assemblies. Go No Go quick checks: The simple go no go design lets you instantly
