Bit type | IADC Code | Applicable formation | Cutting structure | Normal WOB KN/mm(bit dia.) | Rotary Speed(rpm) |
TFA437 | 437 | Very soft with low compressive strength and high drillability,such as shale,clay,sandstone and conglomerate,etc. | arge dia offset crested scoop compacts in inner row,wedge compacts in outer row. | 0.45~1.00 | 180~60 |
Stocking distributor for oilfield drilling bits and tri-cone. Bits are available in steel tooth and in carbide insert types, as well as in blade cutters. Sizes are available from 3 3/4" diameter(95.3mm) up to 22" diameter(558.8mm). Depending upon size and type, some bits are made in China and others are made in the USA. Contact us about availability for your size and type. All new manufacture. No used, seconds, or surplus.
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