Luoyang Gongyan Technology Co., Ltd.
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Non-Gavalnized Steel Split Friction Bolt

Price:US $5.0 / Meter
Min. Order (Meter) Unit Price
1000.0 US $ 5/ Meter
Trade Terms: FOB, CIF, EXW
Payment Terms: T/T
Price Valid Time:From Jan 15, 2014 To Apr 15, 2014

Product Detail

Basic Info
  • Model NO.: GY-FB
  • Port of Departure: Tianjin or Qingdao
  • Lead Time: 2-3 Weeks After Payment
  • Type: Coal Mine Support Equipment
  • Mining Object: Mining Support Products
  • Export Markets: Global
Additional Info
  • Trademark: GY
  • Packing: Bundles
  • Standard: SGS
  • Origin: Luoyang
  • HS Code: 84314320
  • Production Capacity: 40, 000meters/Month
Product Description

Friction bolt
Friction bolt consists of only two 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 had a welded ring flange to hold the 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.

Brief description:
1 friction rock bolt
2 made of high-tensile alloy steel plate
3 big friction between bolt and rock
4 the height of tunnel must be larger than the bolt length
5 high yield and tensile strength, and easy to install

Structure:
1, the tube is made of high-tensile alloy steel plate;
2, high-strength face plate;
3, no need resins and cement cartridges;
4, big friction between bolt and rock;

Features:
1, easy to install;
2, high yield and tensile strength;
3, the height of tunnel must be larger than the bolt length.

Model Specs(interior  diameter  *  thickness) Ultimate  tensile    strength  (KN) Specs  of  plate Length(mm)
      Plate  specs Working  load  
GF33 33*2.5 100 120*120*5.0 ≥ 100 1200-2200
  33*3.0 120 120*120*6.0 ≥ 120 1200-2200
GF40 40*2.5 130 150*150*5.0 ≥ 150 1200-2400
  40*3.0 150 150*150*6.0 ≥ 180 1200-2400
GF43 43*2.5 140 150*150*5.0 ≥ 150 1400-3000
  43*3.0 160 150*150*6.0 ≥ 180 1400-3000
GF46 46*2.5 150 150*150*6.0 ≥ 180 1600-3200
  46*3.0 170 150*150*6.0 ≥ 180 1600-3200

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