Solidkey 12'' HDD hole opener
1.Specifications :
1> Size: 12''
2>The type of roller cone cutter: 8 1/2 IADC 637,Elastomer sealed bearing tricone bit,suitable for hard fomations.
3>Quantity of roller cone cutter :4pcs
4>The total long of 12'' hole opener:900mm
5>Connection type: 31/2 reg pin and box.
2.Photos of Solidkey 12'' HDD hole opener