T38 T45 T51 extension rod drill 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.
Usually for extension rods, there are R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually.
(1)Steel grade: T38 T45 T51 Male-Male Rod, MF Rod
(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51,
(3) Rod size: hex. 22mm, hex. 25mm, hex. 28mm, hex. 32mm, hex. 35mm, dia. 39mm, dia. 46mm. dia. 52mm
(3)Length: 0.4m-6m
(4)Package: in wooden case or in bundles.
(5)Productivity: 20000MT/month
Extension rod T38 - Hex. 32 mm - T38
Extension rod T38 - Round 39 mm - T38 (Speed rod)
Extension rod R38 - Round 39 mm - R38
Extension rod T38 - Round 39 mm - T38
Extenstion rod T38 - Round 39 mm - T38 (with double thread)
Price Terms︰
FOB, CFR or CIF Terms
Payment Terms︰
T/T, L/C, Western Union or Paypal
Packing︰
Iron bundles or as per your special requirements
Lead Time︰
Within 15-35 days according to your order quantity
Other Names︰
T38 Threaded Drill Rod, Drilling Rod, Rock Drill Rods
Material︰
Alloy Steel Bar 23CrNi3Mo
Rod Shape︰
Round (Plain)
Machine Type︰
Drilling Equipment
Processing Type︰
Forging
Technology︰
Heat Treatment
Application︰
Hard Rock Drilling, Mining, Quarrying, Stoning, Construction
