professional factory for Rock Drill Botton Bit - BW HW NW Casing – TDS

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We support our consumers with ideal good quality merchandise and large level provider. Becoming the specialist manufacturer in this sector, we have attained wealthy practical encounter in producing and managing for Butt Fusion Welding Machine Factory, Steel Tooth Bit, Eccentric Casing System, We think this sets us apart from the competition and makes prospects choose and trust us. We all wish to build win-win deals with our customers, so give us a call today and make a new friend!

professional factory for Rock Drill Botton Bit - BW HW NW Casing – TDS Detail:

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.

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)

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Our advantages are lessen charges,dynamic income team,specialized QC,sturdy factories,premium quality services for professional factory for Rock Drill Botton Bit - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Spain, Ottawa, Germany, To meet the requirements of specific customers for each bit more perfect service and stable quality merchandise. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!

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