Jk files supplies drills with chrome vanadium shank available in din style 338 from dia 2 to 3 mm. Joran tct drills with chrome vanadium shank, which will ensure a tougher yet rigid drill at lower price as compared to tct drills with hss shank. The grade of carbide remains the same to ensure the same wear resistance. And it is brazed at 900°c which means one can drill at higher tip temperatures without risking brazing meltdown. This in effect translates to higher productivity. Like the tct hss drills it is most effective when used on hardened steel and other short chipped material like cast iron, brass, etc.
