Bolts

Leading Manufacturer, Supplier & Retailer of Friction Bolt, Split Set Bolt, Bulbed Cable Bolt, Thread Bar Anchor Bolt and Grout Bolt.

Friction Bolt

Min. Order (MOQ) 1000 Set(s)
Model Number 33-49
Brand Name tongrui

We are offering friction bolt. (1)split sets bolt is made from high strength steel tube that is a slotted steel tube, with one end tapered tip for easy insertion into a drill hole. The other end has a welded ring for holding the bearing plate. A ring, or collar, is welded on the outer end to hold a domed plate to the rock surface. (2)the bolt is inserted into a hole slightly , the diameter of hole is smaller than the tube. When drive the rock bolt into the hole, the tube of bolt is compressed and the slot is partially closed , that make the strata and the bolt be a whole body, .all strain of bolt wiill support to the strata tightly. When surrounding rock is shaked by explosion, anchor capacity increasesed higher and supporting effect is perfect. (3) fast and easy installation with hand held or mechanized equipment . (4) be used in a variety of ground conditions for immediate ground support, but is not suitable for very soft strata and permanent support. (5)provide support in radial and axial direction .

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Payment Terms : L/C, T/T

Packaging Details : 200/Tie

Delivery Time : 15 days after receiving payment in advance

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Split Set Bolt

Min. Order (MOQ) 1000 Set(s)
Application ground support
Function friction split sets support

We are offering split set bolt. Tightlok split sets bolt is especially designed by gsi used together with dome plate for reliable ground support in hardrock mines, tunnels and slopes etc. features: (1) rollformed from high strength steel band with one end tapered tip for easy insertion into a drill hole, the other end has a welded ring for holding the bearing plate. (2)provide immediate ground support in radial and axial direction, not suitable for very soft strata and permanent support. (3)fast and easy installation with hand held or mechanized bolting equipment. (4)no cement grout and resin cartridge needed. (5)available with both black and galvanized.

Additional Information:

Payment Terms : L/C, T/T

Packaging Details : as customers' request .

Delivery Time : 15 days after receiving payment in advance

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Bulbed Cable Bolt

Min. Order (MOQ) 1000 Set(s)
Diameter 15.24mm 17.8 mm
Length as customer request

We are offering bulbed cable bolts. cable rock bolt is made of steel strand, and have better support strength , be used in area that is not strong enough , can prevent the strata to move in the lateral direction. 1.features : (1) be made of steel strand, and has incomparable flexible capacity and anti-shearing capacity. (2) be used in area that is not strong enough , can prevent the strata to move in the lateral direction.it has better support efficiency that other bolts. (3) has three or four cages in the body , that can churn anchor grout sufficiently and hold more anchor grout . When the grout solidified, it can form a inseparable whole body between the bolt and strata , that can improve anchor capacity. 2.property:aaa

Additional Information:

Payment Terms : L/C, T/T

Packaging Details : exporting standard package

Delivery Time : 15 days after receiving payment in advance

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Thread Bar Anchor Bolt

Min. Order (MOQ) 1000 Set(s)
Model Number 16 18 20 22 25
Dimensions 16mm-25mm

We are offering thread bar anchor bolt.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 . feature : (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

Additional Information:

Payment Terms : L/C, T/T

Packaging Details : pallet

Delivery Time : 15 days after receiving payment in advance

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