Unicorn Drill has the ability to manufacture and supply 8½” (215.9mm) and 12 1/4″ (311mm) roller bits for hard rock drilling. Moreover, we can also supply used roller bits in good condition if requested by the customer.
Metal sealed roller bits :
a) Adopted high-speed bearing metal sealed technology, long working life under the screw drilling condition.
b) High efficiency cutting edge and structure to improve drilling speed.
c) Cutter shell self-protection shape to reduce abrasion of detritus and unbreakable rock.
d) Best choice for directional well, horizontal drain hole and horizontal branch wells.
Metal sealed roller bits :
a) Adopted high-speed bearing metal sealed technology, long working life under the screw drilling condition.
b) High efficiency cutting edge and structure to improve drilling speed.
c) Cutter shell self-protection shape to reduce abrasion of detritus and unbreakable rock.
d) Best choice for directional well, horizontal drain hole and horizontal branch wells.
Main Application
Low compressive strength and layered soft to medium formations. High compressive strength and abrasive thin interbedded medium to hard formation. High compressive strength and medium abrasive hard and compact ground.
Main Models
8 1/2″ (215.9mm) and 12 1/4″ (311mm)
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