Brand:TONGRUI
MOQ:1000
Quantity:10
Split Sets :
1.Material: steel
2.Fuction : used as rock bolt for support
3.Diameter : 33mm 39mm 42mm 47mm
Split Sets:
Tightlok split set is a product that designed byTongrui and focus on the oversea market. It has beenmanufactured for servial years and used in mines, tunnels,slops , or where reliable ground support is needed.
Nowadays, we have the most professional sills toproduce the high quality split set for the mining in the world. Asthe immediate frictional support, our friction bolt has beenapproved in Gold Mines of Eldorado China.
In 2012, we establish longterm cooperation relationshipwith Sandvik and produce MD bolt for the. MD bolt is combined withfriction bolt and thread bar bolt, which is a patent product ofSandvik.
Split set is rollformed into a C shape by high tensile steelband. One end tapered for easy insertion into a drill hole. Theother end has a welded ring to hole the bearing plate.
Features:
1. Rollformed from high strength steel bandwith one end tapered tip for easy insertion into a
drill hole, the other end has a weldedring for holding the bearing plate.
2.Provide immediate ground support in radial andaxial direction, not suitable for very
soft strata and permanentsupport.
3.Fast and easy installation with hand held ormechanized bolting equipment.
4.No cement grout and resin cartridge needed.
5.Available with both black and galvanized.a
PROPERTY:
TECHNICAL DATA | TRFB33 | TRFB39 | TRFB42 | TRFB47 |
MASS | 1.68kgs/m | 1.96kgs/m | 2.00kg/m | 2.87kgs/m |
DRILL HOLE DIAMETER | 28-32mm | 35-38mm | 38-41 | 42-46mm |
MINIMUM YIELD STRENGTH | 80kn | 90kn | 116KN | 120kn |
TYPICAL YIELD STRENGTH | 100kn | 115kn | 154kn | 165kn |
MINIMUM TENSILE STRENGTH | 100kn | 115kn | 160kn | 165kn |
TYPICAL TENSILE STRENGTH | 120kn | 130kn | 170kn | 180kn |
ELONGATION | ≥16% |
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