HSS step drill bits, there have different material, from high to mormal quality: HSSM35,HSSM2 and HSS4241.
Khoom siv: HSSM35 / HSSM2 / HSS4241
Shank hom: hex shank nrog R flute / peb lub tiaj tiaj, puag ncig shank.
Nto: Cobalt / Tin coated / dub tiav / ci tiav
Flute: kauv flute / ncaj flute
Packing: yas lub thawv / ob chav blister card packing.
Stamping: laser npav (HSS SIZE ntxiv LOGO)



Cim npe nrov: hss kauj ruam laum ntsis teeb, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, customized, lag luam wholesale, nqe, kev muag khoom







