It combines a straight shank with HSS-E cobalt (M35) material and a left-hand spiral flute with right-hand cutting to deliver true
Size and pitch: Size 7/16-28
and dependable performance across long runs and challenging materials
reducing setup time and boosting production flow
and with minimal downtime
Carmex Polygon Swiss Line Insert - Parting Off & Grooving - Right Hand - GP25RNW20T75BLU ISO Insert - SC Style It combines a straight shankThe Carmex Polygon Swiss Line Insert is a right hand parting off and grooving tool crafted for Swiss type and automatic lathes. Built for high volume production, it enables external grooving, back front turning, profiling, thread turning, parting, and general turning with precise, repeatable results. Whether youre an engineer, buyer, shop floor technician, or hobbyist, this insert helps you speed setup and keep production moving. With grounded cutting