12-1/4” big size for the large OD borehole, more than 2000mm
Parameters:
Name：roller drill bit, drill bit, rotary drill bit.
Application：adoption of high-frequency small-amplitude cutting principle, suitable for difficult strata
Applicable Models：Bauer, lMT, Mait, Soilmec, Casagrande, XCMG, Sany,Zoomlion, Sunward, Yutong.
Drill body：high-strength tungsten carbide alloy, enables high efficiency of the drill’s tooth feed，with high strength, high toughness and high wear resistance and other advantages.
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Covered with 74 pieces 17mm inserts. It is more than 60% more compare to the regular 12-1/4" roller bit and tricone cutters.
4th generation automatic positioning body will help you weld the roller with ease and confidence no matter on the site or in the workshop
additional to the traditional sealing, we apply another CNC surface as additional sealing to prevent the dust into the bearing
All the roller bearings covered by the hard alloy to apply extra hardness
Pull the air out of the body, then push the high end grease in, make sure the roller has enough grease for the whole life span
FIRMTECH is a company that manufactures drilling tools, such as roller bit, bullet teeth, core barrel, auger, drilling bucket, HDD, etc
We frequently travel to the Middle East, Europe and East Asia to meet our customers face-to-face. We believe that product quality is the foundation, sales is just the beginning and service is our ultimate goal.
a.Always a pre-production sample before mass production;
b.Always final Inspection before shipment;
c. Our sales team will response for your question within 24 hours
d. Technical Support will be available in any time
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