Cheap price rotary drill bit for sale
Type: Center Drill Bit
Material: High Carbon Steel
Use: Well Drilling
Place of Origin: China
Supply Ability: 10 units per month
Certificate: ISO CQC CE SGS
Core drilling bit. When rock or other obstacles are encountered during drilling, core drilling bit can be used to make construction more convenient. Can overcome a variety of harsh conditions. For more details, welcome your inquiry.