Ai Ruize impact drill bit drill drill tungsten steel drill twist drill bit concrete drill bit concrete drill bit

Ai Ruize impact drill bit drill drill tungsten steel drill twist drill bit concrete drill bit concrete drill bit
 

Product description:

Product parameters:

  • Brand: Erezer
  • Color classification: 5mm 6mm 8mm 10mm 12mm
  • Item No .: M


This drill is made of high-speed steel, used for hand drill point drill drill wall drill concrete wall can also be

Bit head inlaid alloy after quenching high hardness