Tricone Drill Bit 8 ½” IADC 637


Tricone Bit Model DrillRoc 8 1/2″
IADC Type 637
Bit Diameter 203-350 MM
Thread Connection API 4 1/2″
Weight 47 KG
Cutting Structure Medium Hard
Legback Protection Shirt-tail HF and TC Inserts
Bearing Type Sealed Frictoin Protected

This roller cone bit is manufactured with top quality tungsten carbide inserts that gives a cutting structure suitable for drilling in the hardest of rock types in a range of different ground formations. This bit has a hard roller bearing structure and tail protection which leads to a sturdy performance, stable high speed penetration and an unequal bearing wear resistance.


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