The JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6g - M8 x 1
Designed for left-hand metric fine threads
it combines a robust carbide body with a TiSiN coating to deliver consistent performance pass after pass
ISO H4 tolerance: Internal coolant helps flush chips and control heat
improving heat dispersion and chip evacuation for smoother cuts and less built-up edge
Carmex Polygon Swiss Line Insert - Grooving - Left Hand - GD25LW19T39BLU ISO Insert - RN Style The JBO Thread Ring GaugeThe Carmex Polygon Swiss Line Insert Grooving Left Hand is an indexable cutting tool designed for Swiss type lathes and automatic turning centers. It enables high volume, cost efficient external grooving, back front turning, profiling, threading, parting, and general turning, delivering consistent results on demanding production runs. Designed for engineers, operators, and maintenance teams, this left hand version integrates smoothly into standard