215.9mm IADC137
Industrial standard:SY/T5164
Payment terms: T/T,Western Union,and L/C are acceptable
Applications:Medium hard with high compressive strength and high abrasiveness, such as limestone, dolomite, sandstone and chert, etc.
Note:other size and IADC is available
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.