Drill Sub

  •  Drill Sub
  •  Drill Sub
  •  Drill Sub
  •  Drill Sub

Caston produces sub saver from steel bars with tempering and quenching technique. The thread surface is given nitriding or laser treatment to enhance the hardness. Length of sub saver is upon clients' needs.

Technical Specification
Model D L W Taper API Kg
DTBJ60 82 250 180 1: 6 60/1'5 5
DTBJ73 86 280 195 1: 6 NC23 7.5
DTBJ73.r 90 280 202 1: 6 NC26 9.5
DTBJ89 105 320 220 1: 6 NC31 26
DTBJ114 127 350 248 1: 6 NC38 38
DTBJ127 165 458 330 1: 6 NC50 43
DTBJ140 184 478 350 1: 6 5/12HF 68
DTBJ176 210 500 380 1: 6 65/8HF 78
DTD24 68 550 180 1: 6 1'4.5 4.2
DTD33 70 230 190 1: 6 1'3.5 4.8
DTD50 83 250 200 1: 6 1'3.5 5.4
DTD55 93 280 200 1: 6 1'3.5 10.6
DTD130*150 112 320 220 1: 6 1'3.5 32
DTD80*100 98 320 200 1: 6 1'4 11.8
DTD120*100 105 320 200 1: 6 1'4 26
DTJT1720 58 220 180 1: 8 1'6 3.5
DTJT2720 70 250 180 1: 6 1'4 4.8
DTJT4020 100 280 200 1: 8 1'4 25
DTJT7020 133 280 220 1: 8 1'4 46

Among the directional drilling tools, we offer drill sub and other drill rig accessories, including exploration drilling tools, oil drilling tools, mine drilling tools, geothermal drilling tools, heavy engineering drilling tools, etc. Fully equipped with drill pipe production lines and other process equipment, as each detail is checked during manufacturing, we can provide quality drill sub and other drilling tools for global customers.

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