| Specifications: Texoma
TRA-Series digger derrick rock augers are manufactured with 1" thick lower flight
section, hardfaced, combined with 3/8" thick upper flighting section as
standard. The auger stem is 3 3/4" O.D. C-1026 heavy wall tubing. Hex hubs are
constructed of ASTM-148 cast steel. Standard components are TRT-1 and TWT-2
carbide teeth and TPB-6 carbide pilot bit. (see Blade series teeth & pockets)
Application:
Texoma "TRA-Series" digger derrick augers are manufactured to maximize the
drilling performance in digger derricks in hard rock formations. The Texoma
"TRA-Series" digger derrick rock auger is best suited for solid (non-fractured)
formations in medium to hard rock drilling. Also excellent in stiff clays and shales.
Recommended rotation speed 20 to 25 RPM.
Note: Please specify hex hub size when ordering
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