Drill Pipe (Total 56 Products)

WB114/65,WB127/76,DB127/76,WB140/88,WB219/130

During the drill , compress air goes into the annular through the air box, then the debris go up in the inner hole under the effect of waterhead.

2018-10-24

50*6.5*2500

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

50*6.5*3000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

60*7*2000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

60*7*2500

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

60*7*3000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

60*7*4500

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

73*8*2000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

73*8*3000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-30

73*8*4000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28

50*6.5*1500

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28

50*6.5*2000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28

73*9*4000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28

73*9*3000

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28

73*9*4500

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28

73*9*6100

forged with texture of 37CrMnMo to improve the strenth of extension,twisty,crush and press.The thermal treatment ensures the tenacity.The nitrogenized

2018-05-28