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Brand Name : MIROC
Model Number : DTH Drill Pipe
Place of Origin : Shangdong,China
MOQ : 5 Pieces
Price : negotiation
Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability : 30000pcs per month
Delivery Time : 10-22days after receiving payment and order confirmation
Packaging Details : Carton Box or Wooden Box
Type : DTH Drill Pipe
Processing Type : Forging
Thread : API REG
Use : Tunneling, Mining,Quarrying
Length : 3050mm,3660mm
Diameter : 89mm
Product Description
Product Name | DTH Drill Pipe |
Thread | API Reg |
Diameter | 3 inch |
Length | 6m |
Thickness | 6mm |
Order Information | Thread + Length + Diameter+Thickness |
MOQ | 1 Pieces |
Color | Black or based on customer requirements. |
DTH drill rods (also called as drill tubes or drill pipes) are the mechanism to transmit impact force and rotation torque to DTH hammers and bits, as well as offer pass for the air flow.
In principle, the lighter the rod is, the better it is for the drilling operation. So a thinner one is always preferable than a thicker one if other parameters were the same. While in the mean time, the yield strength and the tensile strength must also be taken into accounts, which means relatively rod wall thickness would be needed to obtain enough strength. Of course, once the thickness is rigidly requested as thin as possible to minimize the drill string weight, there is also another method to get optimum drill tubes that using better grade steels.
specification
DTH Drill Rods:
Diameter | Length | Connection Thread | Wall Thickness | |||
mm | inch | mm | Foot | mm | inch |
60 | 2 3/8 | 1,000~4,500 | 3 3/8 ~ 14 3/4 | T42×10×2 | 5~8 | 13/64~5/16 |
76 | 3 | 1,000~4,500 | 3 3/8 ~ 14 3/4 | 2 3/8” API REG | 5~8 | 13/64~5/16 |
89 | 3 1/2 | 1,000~7,620 | 3 3/8 ~ 25 | 2 3/8” API REG/IF | 5~12 | 13/64~15/32 |
102 | 4 | 1,000~9140 | 3 3/8 ~ 30 | 2 3/8” API REG, 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
108 | 4 1/4 | 1,000~9140 | 3 3/8 ~ 30 | 2 3/8” API REG, 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
114 | 4 1/2 | 1,000~10,670 | 3 3/8 ~ 35 | 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
127 | 5 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 8~20 | 5/16~25/32 |
133 | 5 1/4 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 8~20 | 5/16~25/32 |
140 | 5 1/2 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 10~22 | 25/64~7/8 |
146 | 5 3/4 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 10~22 | 25/64~7/8 |
152 | 6 | 1,000~10,670 | 3 3/8 ~ 35 | 4 1/2” API REG | 10~22 | 25/64~7/8 |
Sub Adapters:
Type | Diameter | Length | Connection Thread | ||
mm | inch | mm | inch | API REG/IF |
Pin to Box | 59~146 | 2 3/8 ~ 5 3/4 | 120~235 | 4 23/32 ~ 9 1/4 | 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2” |
Pin to Pin | 90~115 | 3 1/2 ~ 4 1/2 | 70~97 | 2 3/4 ~ 3 5/8 | 2 3/8” , 2 7/8”, 3 1/2” |
Box to Box | 77~205 | 3 ~ 8 1/8 | 200~270 | 7 7/8 ~ 10 5/8 | 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2”, 6 5/8” |
Order Information
DTH Drill Rods:
Length + Diameter + Connection Thread + Wall Thickness
Sub Adapters:
Type + Connection Thread + Length + Diameter
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