mining drill bits 1.ISO9001 certificate 2.Reliable quality 3.Reasonable price 4.Long life and full model

 We are specialized in producing cold forging and hot forging products. The products are mainly applicable to metal mine such as iron mine, coal mine and gold mine, laneway, tunnel, quarry, plaster mine, transportation, water conservancy and civil demolition, etc. The main material is 35CrMo and 42CrMo. The products can be custom-made according to your requirement. No minimum order quantity requirement.

No	Length(IN.)	DIA(IN.)	Configuration inside	Type
DB01	5	1.40		drill bit

mining drill bits