Rock Bolt Thread Bar - Chinaprice: contact company for price
Thread bar Bolt is composed of screw thread steel bar , high strength plate , casting damping nut , yield tube, washer , and other accessories . According to the structure of steel bar , the bolt has two stypes : Rib Rebar Bolt and Non-Rib Rebar Bolt .
The bolt is usually used in thick coal seam , that has high stress, large deformation, difficult to support and other poor environment .
(1) The bolts have high strength stress , good support capacity can prevent the roof from sinking down , and the strata sliding .
(2) Fast and easy installation by mechanized tools.
(3) Be used with resin anchoring cartridge for permanent support .
(4) Be used in high stressed , large deformed area .
(5) Low price, widely used in coal mines, railways, hydropower and other types of roadway projects.
(6)Thread profile has higher strength than rod and offers excellent mixing capabilities in resins installation
Please see our contact information below
- Posted By: shandong tongrui mining technology co.,ltd.
- Phone: 865385050220
- Address: the south of changcheng road, taian, China
Published date: August 4, 2012 -
- Business Description: Split set rock bolt(Friction bolt or stabilizer),Cable bolt, Thread bar bolt, All thread rebar rock bolt,Self drilling anchor, FRP (GRP)rock bolt, other kinds of prestressed rock bolt, the rock bolt accessories (W steel strap,butterfly plate,domed plate, star plate ,coupling,drill bit,washer and so on ) and all kinds of steel.
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