this HSS-E (M35 cobalt) reamer follows DIN 8089 standards with a left-hand spiral flute and right-hand cutting for controlled material removal
minimizing chatter for smoother surfaces and longer tool life
this end mill delivers steady performance and expert-quality finishes
reducing sharpening frequency and helping maintain precise hole sizes over more cuts
The knurled body and clearly defined GO design make it easy to identify properly threaded holes
JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M68 x 1.5 Face Mill Arbors - Anti-Vibration this HSS-E (M35 cobalt) reamerThe JBO Thread Plug Gauge (GO) Metric Fine, Left Hand, 6H, M68 x 1. 5 is a precision go gauge designed to verify internal threads in metal parts. It helps engineers, machinists, quality inspectors, and shop floor teams quickly confirm that a threaded hole will accept its mating fastener, ensuring components meet exact standards with repeatable results. Hardened steel construction: Crafted from high quality hardened steel to resist wear and maintain