Shandong Juye Mining Technology Co., Ltd.

China Manufacturer with main products: Friction Bolt, Cable Bolt, FRP Bolt, FRP Rebar, Full Thread Bar Bolt, Self-Drilling Rock Bolt, PP Mining Mesh, PET Mining Mesh

Home  >Products Catalog > mining rock bolt > 33mm Mining Friction Bolt/ Split Set Bolt Roofing Bolt Manufacturer from China

33mm Mining Friction Bolt/ Split Set Bolt Roofing Bolt Manufacturer from China

Supply Ability: 5,000 Piece(s) per Day
Shipping: 30days
Payment Terms: T/T

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: in pallet 33mm Mining Friction Bolt/ Split Set Bolt Roofing Bolt Manufacturer from China

Quick Details

  • Standard: ISO
  • Brand Name: JUYE
  • material: steel
  • Size: Q335
  • Certificate: ISO 9001
  • Model Number: JU02
  • diameter: 33mm
  • length: 1200mm
  • surface: black


Shandong Juye Mining Technology Co.,Ltd is a professional manufacturer for  Mining and ground support products.

Split Set friction rock stabilizers are manufactured for underground or above ground applications in mines, tunnels, slopes, or wherever reliable ground support is needed.

33mm Mining Friction Bolt Split Set Bolt Roofing Bolt Manufacturer from China
Friction Bolt  / split set bolt mining roofing bolt manufacturer from China

        Friction bolts can be load tested by fitting a special ring to the bolt prior to its installation. Pull tests can then be conducted with a hollow RAM hydraulic jack.

        Further corrosion protection can be provided by hot dip galvanizing.
33mm Mining Friction Bolt Split Set Bolt Roofing Bolt Manufacturer from China

Products Specification:

Specification FS-33 FS-39 FS-42 FS-47
Dia. 33mm 39mm 42mm 47mm
Thinkness 2.5mm 2.5mm 2.5mm 3.0mm
Ring Dia. 6mm 6.5mm 7.0mm 7.5mm
Slot Size 10mm 15mm 17mm 20mm
Min.Yield Strength 78Kn 88Kn 95Kn 124Kn
Min.Breaking Strength 103Kn 116Kn 123Kn 160Kn
Max.Breaking Strength 117Kn 132Kn 140Kn 186Kn
Elongation >16% >16% 16% 16%
Anchoring 4-7tons 5-8tons 5-8tons 6-12tons
Domed Plate 150*150*4mm 150*150*4mm 150*150*5mm 150*150*5mm


Split Set Rock Bolts and Friction Bolts Work:

Are rock bolts with only 2 parts, a tube and matching domed bearing plate. the high strength steel tube is slotted along its length. One end is tapered for easy insertion into a drill hole and the other has a welded ring flange to hold the bearing plate. with the bearing plate in place, the tube is driven into a slightly smaller hole, using the same standard percussion drill that made the hole. As the tube of the rock bolt slides into place, the full length of the slot narrows, causing radial pressure to be exerted against the rock over its full contact length.

 give you a choice of tube and plate sizes.

33mm Mining Friction Bolt Split Set Bolt Roofing Bolt Manufacturer from China

Quality Standards:

Split Set rock bolts (friction bolts) are manufactured to a highest standard of quality. Rigid standards of quality are achieved by exhaustive quality control, testing and inspection procedures. Detailed drawings specify materials, dimensions, and tolerances. Every Split Set is identified with model number, length, factory, rolling date, and heat lot of the steel.

Mining and Ground Support:

Split Set friction rock stabilizers are used for underground or surface support in many applications:

1. Underground Mine Roof Support & Mine Roof Bolting

      2. Ground Support for Tunnels and Other Excavations

3. Ground Support for Surface Jobs

Varied Applications for Split Set Rock Bolt Systems where Stabilize, Hold and Control are Necessary:

Water tunnels     Shaft walls     Sewage tunnels     Underground storage caverns       Road tunnels

Pipe and ventilation ducts   Conveyor belts   Trolley wires    Surface excavation slopes     Highway cuts



 Split Set Rock stabilizers are an easy solution to your ground support, mine roof support and other stabilizing, holding, or anchoring problems. They are cost effective and simple to install.

33mm Mining Friction Bolt Split Set Bolt Roofing Bolt Manufacturer from China

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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