Tanrimine Metal Support Co., Ltd.

Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer) – TRM

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Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer) – TRM Detail:

FB-42 SPLIT SET BOLT

As an alternative friction bolt stabilizer of FB-47 Split Set Bolt used in applications, Dia.42mm has the same C shape of bolt body which can also offer a perfect and safety way for ground support as the FB-47 bolt does, also widely and popular used in rock and ground support in mining, tunnel and slope projects etc.

By using the same high tensile steel strip with FB-39 Split Set Bolt to make the FB-42 split set bolt, we adjust our rollformer to change the diameter of bolt slightly from 39mm to 42mm to meet any special requirements of different customers, to be sure our bolt can be used in different environment of projects, meanwhile to satisfy the requirements of our customers.

Our high-effective PLC-Controled Rollformer and Auto Welders can keep our production capacity staying in top ranking in this line, at the same time to make sure the quality of our Split Set Bolt to meet the first class international standard requirements, that let us to have an chance to supply our split set bolts (friction bolt stabilizers) to many famous customers in the world.

FB42 WELDS

Welds on black bolt show the weld quality of our bolt, which is completely reached the highest international standard, and all of it is based on our strict quality management control (GMC), and quality and safety accident alerting system which already accompanied with production processes, to make sure a consistant and stable quality all throught the production.

Zinc coating inspection will be checked from time to time to keep the coating reached customer requirements, and has a smooth and average coating split set bolt surface. Packing is same as other main ground support split set bolt (friction bolt stabilizer) which is 150 units per pallet. Wooden and Metal Pallet are both available.

FB-39 SPLIT SET BOLT SPECIFICATION AND MECHANICAL PROPERTY

FB-39 SPLIT SET BOLT (Friction Stabilizer)

Dimensions Physical Properties Technical Data
Bolt Diameter  A 42mm Yield Strength Min. 345 Mpa (85KN) Recommended Normal Bit Size 38-41mm
Bolt Length  B 0.9-3.0m Typical 445Mpa(110KN)
Taper End Diameter  C 35mm Tube Ultimate Tensile Strength Min. 470 Mpa (115KN) Typical Breaking Capacity 124KN
Taper Slot Wide  D 2mm Typical 530Mpa(130KN)
Taper Length  E 65mm Mass per Meter 1.92 Kgs Min. Breaking Capacity 89KN
Bolt Slot Wide  F 20mm
Ring Location  G 3mm Cross Section Area 245 mm² Recommended Initial Anchorage 3-6 Tons               (27-53 KN)
Material Guage  H 2/2.5mm
Ring Wire Guage  I 6mm Hole Diameter Range 38-41mm Ultimate Axial Strain Typical 21% (Thk<16mm)
Ring Open Gap  J 6-7mm

 

Code Bolt Description Diameter Length Surface Finish Weight Packing   QTY/Pallet Ring ColorID
(mm) (mm) (Kgs)
FB42-0900 Split Set Bolt 42-900 42 900 Untreated 1.70 150 ­-
FB42-1800 Split Set Bolt 42-1800 42 1800 Untreated 3.23 150 ­-
FB42-2100 Split Set Bolt 42-2100 42 2100 Untreated 3.76 150 ­-
FB42-2400 Split Set Bolt 42-2400 42 2400 Untreated 4.30 150 ­-
FB42-3000 Split Set Bolt 42-3000 42 3000 Untreated 5.37 150 ­-
FB42-0900G Split Set Bolt 42-900 HDG 42 900 Hot Dip Galvanized 1.80 150 ­-
FB42-1800G Split Set Bolt 42-1800 HDG 42 1800 Hot Dip Galvanized 3.38 150 ­-
FB42-2100G Split Set Bolt 42-2100 HDG 42 2100 Hot Dip Galvanized 3.94 150 ­-
FB42-2400G Split Set Bolt 42-2400 HDG 42 2400 Hot Dip Galvanized 4.50 150 ­-
FB42-3000G Split Set Bolt 42-3000 HDG 42 3000 Hot Dip Galvanized 5.63 150 ­-

FB-42 SPLIT SET BOLT FEATURES

● As alternative main ground support bolt, FB-42 Split Set bolt is also made by High Tensile Steel, and different grade of material available depends on different use environment to save the cost of ground support.
● By it’s C shape body, it is also the most easy and effective way for ground support, to create an instant full length of friction force all the way to the rock, driving together with mesh and plate into the hole to get a quick ground support.
● Galvanizing and untreated Split Set Bolts are both available.
● Full range of accessories available.

FAQ of FB-39 SPLIT SET BOLT

FB42 GALV

1. What is Combi Plate and how does it make ?
The FB-42 Split Set Bolt are made by high tensile steel strip, which is roll-formed into a longitudinal slot C shape tube along its entire length. A steel ring is full welded on the end of the tube by automatic welding device, which is to hold the plates to the rock surface.

2. How to use and assemble ?
The tubular C shape of the bolt generates a load transfer from the steel to the rock when installed into a slightly smaller diameter hole, and results in a frictional resistance pull-out load of the tube from the hole, and creating a full length radial pressure to the hole by increasing the contact surface of the steel to the rock due to its tubular shape, and when install onto the plate, it establishes a compressive force against the rock. When additional load bearing capacity is required, friction bolt can be grouted by cement grouts.

FAQ of FB-33 SPLIT SET BOLT
FB42 used in Application

2. How to use and assemble ?
A pull collar fixing at the ring end enables load testing during the bolt installation. The tapered end of friction bolt can be easily inserted into the drilled holes. Friction bolt can be installed with either hand held or mechanized equipment, such as a jackdrill, a stopper, a roof bolting jumbo, or any other type of drill.

Latest News


A new Split Set (Friction Bolt) Welder workshop was built in our factory recently…..


Product detail pictures:

Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures

Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures

Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures

Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures


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We keep on with the basic principle of "quality to start with, support very first, continuous improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the quality objective. To great our service, we offer the items with all the superior top quality at the reasonable selling price for Trending Products 33mm Friction Bolt Supplier - FB-42 SPLIT SET BOLT (Friction Stabilizer) – TRM, The product will supply to all over the world, such as: Afghanistan, Monaco, Dominica, In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we are going to continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.
  • The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Ellen from Lyon - 2018.06.30 17:29
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Dinah from Bangladesh - 2017.06.19 13:51

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