HQ reaming shell for HQ bit
Reaming shell is designed for maintaining the hole diameter and stabiliing drilling holes and core barrels. Our reaming shell is made with diamond tips and steel with sintering process. Our company has manufacture impregnated diamond core bit, reaming shell, casing shoe, drill pipes since 2010, because of the high quality raw material and mature producing process we use, our diamond core drilling accessories are widely used in mining, water well drilling and geological drilling, till now we have won clients in many countries and feedback is good. Parameters of reaming shells Bit size Core bit Reaming shell Bit size Outside diameter Insider diameter Outside diameter AQ 47.75…
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