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Left-hand spiral flute with right-hand cutting: Enables efficient chip evacuation and a smooth bore finish for accurate reaming results
5/16 x 18 is a precision inspection tool used to verify external thread diameters on fasteners
and a straightforward shank design supports reliable performance across parts
The M2 high-speed steel retains sharpness through multiple passes
Carbide-tipped for long tool life: The K10 carbide edge offers wear resistance and repeatable finishes
JBO Thread Ring Gauge (NoGo) - Pg - Right Hand - Pg 21 x 16 Endmill25 Left-hand spiral flute with right-handJBO Thread Ring Gauge (NoGo) Right Hand, Pg 21 x 16 is a precision tool designed to quickly validate external thread diameters against Unified thread standards. It is ideal for manufacturing, automotive, aerospace, and maintenance environments where reliable fit and function matter, providing a clear go no go indication to separate compliant parts from those that fall outside tolerance. No Go design for rapid pass fail checks: Quickly identifies non
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