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rope roof bolt

A steel wire rope, with wedge heads fixed to its ends, used instead of the normal steel rod in roof bolting. Also known as cable bolting. The rope has a diameter of about 7/8 in (2.2 cm) and a length from 15 to 20 ft (4.5 to 6 m).

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
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