Tanrimine Metal Support Co., Ltd.

Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer) – TRM

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Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer) – TRM Detail:

FB-39 SPLIT SET BOLT

As a main reliable ground support Split Set Bolt used in applications, Dia.47mm C pipe of bolt body is the most crediable and reasonable size which can offer a perfect and safety way for ground support, so it is widely used in mines, tunnels and slopes etc. However meanwhile, the material strength and characteristic, and the welds quality between ring and the C tube, become critical points on the .

As the biggest manufacturer and supplier of Split Set products in China, we have a long-term relastionship and co-operation with our local steel mill who can supply us high quality strengthen steel strip with a very low level of Si and P in chemical components, to make sure good performance of material and let it more suitable for galvanizing to keep a good quality of Zinc Coating.

With more than 10 years experiences and technology in this field, our advantage PLC-Controled Rollformer and Auto Welders can make sure our split set bolt to meet the top-ranking international standard requirements, and get credit for a consistant good quality and service and become a suppllier of many famous mining companies from different area and countries in the world.

FB39 Split Set Bolt weld quality

Welds quality is a very critical point for the split set bolt which will affect the performance of the bolt while used in ground support. We have a routine quality mornitoring and warning system to get a consistance and stable perfect welds quality, and a job traveller with pull testing records will go through the whole processes to avoid any accidents in the production.

Galvanizing and Black Split Set Bolt with different length are available. Made by high-grade of steel material, our split set bolt can get a very good zinc coating surface to have a better performance when it is used in corrosive environment.             The standard packing for FB-47 Split set bolt is 150 untis per wooden or metal pallet.

FB-39 SPLIT SET BOLT SPECIFICATION AND MECHANICAL PROPERTY

FB-39 SPLIT SET BOLT (Friction Stabilizer)

Dimensions Physical Properties Technical Data
Bolt Diameter  A 47mm Yield Strength Min. 345 Mpa (120KN) Recommended Normal Bit Size 41-45mm
Bolt Length  B 0.9-3.0m Typical 445Mpa(150KN)
Taper End Diameter  C 38mm Tube Ultimate Tensile Strength Min. 470 Mpa (160KN) Typical Breaking Capacity 178KN
Taper Slot Wide  D 2mm Typical 530Mpa(180KN)
Taper Length  E 100mm Mass per Meter 2.71 Kgs Min. Breaking Capacity 133KN
Bolt Slot Wide  F 25mm
Ring Location  G 8mm Cross Section Area 345 mm² Recommended Initial Anchorage 6-10 Tons               (53-89 KN)
Material Guage  H 3/3.2mm
Ring Wire Guage  I 8mm Hole Diameter Range 43-45.5mm 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)
FB47-0900 Split Set Bolt 47-900 47 900 Untreated 2.50 150 ­-
FB47-1800 Split Set Bolt 47-1800 47 1800 Untreated 5.10 150 ­-
FB47-2100 Split Set Bolt 47-2100 47 2100 Untreated 6.10 150 ­-
FB47-2400 Split Set Bolt 47-2400 47 2400 Untreated 6.70 150 ­-
FB47-3000 Split Set Bolt 47-3000 47 3000 Untreated 8.60 150 ­-
FB47-0900G Split Set Bolt 47-900 HDG 47 900 Hot Dip Galvanized 2.60 150 ­-
FB47-1800G Split Set Bolt 47-1800 HDG 47 1800 Hot Dip Galvanized 5.50 150 Red
FB47-2100G Split Set Bolt 47-2100 HDG 47 2100 Hot Dip Galvanized 6.40 150 Green
FB47-2400G Split Set Bolt 47-2400 HDG 47 2400 Hot Dip Galvanized 7.05 150 ­-
FB47-3000G Split Set Bolt 47-3000 HDG 47 3000 Hot Dip Galvanized 9.00 150 Yellow

FB-47 SPLIT SET BOLT FEATURES

●Made by High Tensile Steel, and different grade of material available depends on different use environment to save the cost of ground support
●Split Set Bolt is the most easy and effective way for ground support, it’s C shape body providing an instant full length ground support all the way to the hole,  using together with mesh and plate to get a quick assemble and good support function
●Galvanizing and untreated Split Set Bolts are both available
● Full range of accessories available

FB-47 SPLIT SET BOLT FEATURES

FB47 Split Set Bolt with Galv Dome Plate

1. What is Combi Plate and how does it make ?
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.

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.

FAQ of FB-33 SPLIT SET BOLT
How to use and assemble ?

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:

Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures

Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures

Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures

Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer)  – TRM detail pictures


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We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for Leading Manufacturer for Friction Bolted Joint - FB-47 SPLIT SET BOLT (Friction Stabilizer) – TRM, The product will supply to all over the world, such as: Amman, Egypt, Anguilla, We always insist on the management tenet of "Quality is first, Technology is basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.
  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Jocelyn from Mexico - 2018.12.30 10:21
    The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Ellen from Greece - 2017.11.20 15:58

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