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roof bolt
(redirected from roof bolts)

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roof bolt [′rüf ‚bōlt]
(mining engineering)
One of the long steel bolts driven into walls or roofs of underground excavations to strengthen the pinning of rock strata.
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Some Technical and Technological Recommendations to Improve Roof Stability Satellite Bolters Roof support will be achieved through the use of roof bolts.
Mining block stability analysis for room-and-pillar mining with ... by Nikitin, O. / Oil Shale
8, 1996--The Eastern Company (AMEX:EML) today announced that it has entered into a long-term agreement to supply engineered mine roof fasteners to Excel Mining Systems, the country's largest manufacturer of mine roof bolts.
The Eastern Company announces new mine fastener contract by Business Wire
 
 
 
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