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Hollow Drilling Mining Rock Grouting Anchor Bolt
1, Hollow Drilling Mining Rock Grouting Anchor Bolt consists of hollow core with continuous hot-rolled outside thread 2, Hollow Drilling Mining Rock Grouting Anchor Bolt can application as injection a
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Introduction Of Hollow Drilling Mining Rock Grouting Anchor Bolt
1, Hollow Drilling Mining Rock Grouting Anchor Bolt consists of hollow core with continuous hot-rolled outside thread
2, Hollow Drilling Mining Rock Grouting Anchor Bolt can application as injection anchor without casing, especially for non-stable boreholes
3, self-drilling installation, utilization of the anchor bar as drill rod with a single-use drill bit
4, easy extension of the anchor bars by anchor coupler
5, grouting or development of the grout body either simultaneously with drilling using a rotary injection adapter or afterwards
6, assembly of the anchor head with the anchor plate and the nut, stressing and locking
Images of Hollow Drilling Mining Rock Grouting Anchor Bolt

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