Beschreibung
Technische Parameter
HSS step drill bits, there have different material, from high to mormal quality: HSSM35,HSSM2 and HSS4241.
Material: HSSM35/HSSM2/HSS4241
Shank type: hex shank with R flute/three flat shank, round shank.
Surface: Cobalt/Tin coated/black finish/ bright finish
Flute: spiral flute/straight flute
Packing: plastic box/double blister card packing.
Stamping: laser marking(HSS SIZE plus LOGO)
Beliebte label: hss step drill bit set, China, suppliers, manufacturers, factory, customized, wholesale, price, for sale