Factory wholesale Dth Rod - BW HW NW Casing – TDS

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"Quality to start with, Honesty as base, Sincere company and mutual profit" is our idea, as a way to build constantly and pursue the excellence for Dth Hammer Bits Manufacturers, Surface Down The Hole Drills, Screw Air Compressor, Welcome your visiting and any your inquires,sincerely hope we can have chance to cooperate with you and we can build up long well business relationship with you.
Factory wholesale Dth Rod - BW HW NW Casing – TDS Detail:

 

 

 

 

 

 

 

 

Product overview导航栏

1. Our Nw Hw Pw Casing Tubes are of the highest quality ,are manufactured to exacting specifications using advancing maching technoogy.

2. They are  manufactured from seamless steel tube by cold drawn.The material is XJY850/30CrMnSiA which meets the global standard. 

3. Drill rods are made  from quality heat treated materials which ensure superior strength, wear resistance and toughness in the most demanding applications.

4. Rods and casing are manufactured under stringent industry standards, and are field tested under a variety of conditions.

5. All rods are designed to be compatible with other rods manufactured to the standard  DCDMA.

Specification导航栏

Casing BW NW HW HWT PWT
Outer diameter OD mm (in) 73.03 (2.88) 88.90 (3.50) 114.30 (4.50) 114.30 (4.50) 139.70 (5.50)
Inner diameter ID – box shoulder mm (in) 60.33 (2.38) 76.20 (3.00) 101.60 (4.00) 101.60 (4.00) 127.00 (5.00)
Wall thickness mm (in) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25)
Pin end length mm (in) 63.50 (2.50) 69.85 (2.75) 76.20 (3.00) 63.50 (2.50) 63.50 (2.50)
Thread pitch mm (in) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25) 10.16 (0.40) 10.16 (0.40)
Weight kg/m (lb/ft) 11.71 (7.87) 12.96 (8.71) 16.95 (11.39) 16.95 (11.39) 20.94 (14.07)
Casing content volume L/m (gal/ft) 4.19 (0.34) 4.56 (0.37) 8.11 (0.65) 8.11 (0.65) 12.67 (1.02)
Hole volume L/m (gal/ft) 4.45 (0.36) 6.62 (0.53) 10.84 (0.87) 10.84 (0.87) 16.18 (1.30)
Casing/hole annulus volume L/m (gal/ft) 0.27 (0.02) 0.41 (0.03) 0.58 (0.05) 0.58 (0.05) 0.85 (0.07)
Min yield strength MPa (psi) 524.00 (76000.00) 524.00 (76000.00) 524.00 (76000.00) 524.00 (76000.00) 524.00 (76000.00)
Min tensile strength MPa (psi) 599.84 (87000.00) 599.84 (87000.00) 599.84 (87000.00) 599.84 (87000.00) 599.84 (87000.00)
Displacement volume L/m (gal/ft) 1.33 (0.11) 1.65 (0.13) 2.15 (0.17) 2.15 (0.17) 2.66 (0.21)
Burst pressure – box shoulder MPa (psi) 30.30 (4394.78) 24.24 (3515.00) 19.56 (2837.33) 14.98 (2172.33) 12.25 (1777.36)
Burst pressure – midbody MPa (psi) 79.74 (11565.22) 65.50 (9500.00) 50.94 (7388.89) 50.94 (7388.89) 41.68 (6045.45)
Collapse pressure – midbody MPa (psi) 72.81 (10559.55) 60.82 (8821.43) 48.11 (6978.40) 48.11 (6978.40) 39.79 (5770.66)

Product detail pictures:

Factory wholesale Dth Rod - BW HW NW Casing – TDS detail pictures

Factory wholesale Dth Rod - BW HW NW Casing – TDS detail pictures

Factory wholesale Dth Rod - BW HW NW Casing – TDS detail pictures


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With a sound enterprise credit history, exceptional after-sales services and modern production facilities, we've earned an outstanding track record amongst our consumers across the whole world for Factory wholesale Dth Rod - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Benin, St. Petersburg, Qatar, We are trying our best to make more customers happy and satisfied. we sincerely hope to establish a good long-term business relationship with your esteemed company thought this opportunity,based on equal, mutual beneficial and win win business from now till the future.
  • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Carol from Ukraine - 2018.11.11 19:52
    The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Edith from America - 2017.11.12 12:31
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