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T38 bench drilling |
（1）thread: T38,
（2）type:bits, drill rods and coupling
（3）Bit diameter:64mm-127mm
（4）Drill rod length:915mm-6095mm
（5）package: in wooden box or in carton.
（6）Supply ability:10000pcs/month,or drill rods:2000pcs/month
（7）Delivery time :20days
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T38 drilling tools include retrac button bit Drifter rod MF rod coupling sleeve Drifter rod and shank adaptor ,These products used CNC machines and vacuum heat treatment.
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T38 button bit MF rod Hex extension rod are our mainly manufacturing products, of which various sizes and styles are available and applicable for drilling different kinds of rock formations. A comprehensive range with 'Button', X and Cross with tungsten carbide tipped head configurations. Button Bit designs include; Standard, heavy duty, drop centre, ballistic, parabolic and retract and combination options. Available with all popular international thread forms such as T38,which can be equipped with rock drilling machines such as Atlas Copco, Boart Longyear, Sandvick, Ingersoll-Rand, Furukawa and so on.
Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling，And the threads can be used for connecting couplings, shanks, couplings or bits.
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