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 small
size bits
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Altrex International
supllies a wide variety of 3-cone rock bits designed for rotary
drilling in mining industry, geophysical and technical drilling.
We have introduced the bits with very small size of 2-3/8".
Our small size bits
are manufactured with t.c. insert cutting structure or with
steel milled tooth. The bits have got open bearings
and are protected from the loss of cone by means of ring or
ball bearing. The bits with sizes above 4" have open roller
bearings.
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