Description :

New Tri-cone Rock Drill Bit Tungsten Carbide Inserts (TCI) - Rock Roller Bits with sealed bearing in various sizes for sale. There are 3 main categories: soft, medium and hard formation bits.

Soft formation rock bits are used in unconsolidated sands, clays, soft limestone, red beds and shale, etc.

Medium formation bits are used in calcites, dolomites, lime stones, and hard shale, while hard formation bits are used in hard shale, calcites, mudstones, cherty limestone and hard and abrasive formations.

Detail :

Tricone Rock Drill Bit - Rock Tool - Rock Roller Bits suitable for Waterwell drilling, complete with sealed bearing. 

These bits are NEW and are medium hard formation with TCI.

Price :

6.1/2" dia IADC 537 = $2100 + GST

8.1/2" dia IADC 537 = $2514 + GST

8.1/2" dia IADC 637 = $2714 + GST