Specifications
Thread Bar Bolt without Longitudinal Rib
1.Material: steel
2.Fuction : as rock bolt for support
Port: as per required
Minimum Order Quantity: 1 Ton/Tons
Supply Ability: 50 Ton/Tons per Month
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Contact Supplier
Packaging Detail: as per required........
Delivery Detail: as per required.
Specifications
Thread Bar Bolt without Longitudinal Rib
1.Material: steel
2.Fuction : as rock bolt for support
3.Diameter : 16 18 20 22
Thread Bar Bolt without Longitudinal Rib (Prestressed Bolt) :
Thread Rebar 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
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