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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: TONRY
  • Model Number: MF33-47
  • Standard: ISO
  • Material: STEEL
  • Function: Rock bolt support
  • Diameter: 33mm 36mm 38mm 39mm 40mm 41mm 42mm 43mm 46mm 47mm

Packaging & Delivery

Packaging Details: As customers' request.
Delivery Detail: 15 days after receiving payment in advance

Mining Split set anchor bolt m33:


1.Material: steel
2.Fuction : split sets bolt for support
3.Diameter : 33mm 36mm 38mm 39mm 40mm 41mm 42mm 43mm 46mm 47mm

 

Split set anchor bolt is especially designed by GSI used together with dome plate for reliable ground support in hardrock mines, tunnels and slopes etc. 

1.Features: 

(1) Rollformed from high strength steel band with one end tapered tip for easy insertion into a drill hole, the other end has a welded ring for holding the bearing plate.

(2)Provide immediate ground support in radial and axial direction, not suitable for very soft strata and permanent support. 

(3)Fast and easy installation with hand held or mechanized bolting equipment.

(4)No cement grout and resin cartridge needed.

(5)Available with both black and galvanized.

 

2.Recommended hole diameter calculation:

(1)In The Rock Stratum :

 Diameter of Hole: (0.9-0.95) × Diameter of Bolt

 Depth of Hole: Length of Bolt +100mm

 Deflection Rate of Drilling : <1%

(2)In The Coal Stratum:

 Diameter of Hole: (0.9-1.00) × Diameter of Bolt

 Depth of Hole: Length of Bolt +200mm

 Deflection Rate of Drilling : <1.5%

 

3.PROPERTY:

 

TECHNICAL DATA

TRFB33

TRFB39

TRFB47

MASS

1.68kgs/m

1.96kgs/m

2.87kgs/m

DRILL HOLE DIAMETER

28-32mm

35-38mm

42-46mm

MINIMUM YIELD STRENGTH

80kn

90kn

120kn

TYPICAL YIELD STRENGTH

100kn

115kn

160kn

MINIMUM TENSILE STRENGTH

107kn

115kn

165kn

TYPICAL TENSILE STRENGTH

120kn

130kn

180kn

ELONGATION

≥16%

≥16%

≥16%

TYPICAL ANCHORAGE(TON)

3-6

3-6

6-10

 

4. Accessories:

different sizes steel plate, 120mm,150mm,200mm,250mm,300mm square. thickness: 4mm,5mm,6mm,8mm,10mm so on. 

 

 

 

 

 

 

5.Certificates and Test report

 

 

6.Our lab

 

7.Our factory

 

8.Advantages

(1)High strength for support!
(2)Guarantee quality ----100% test before delivery!
(3)Competitive price!
(4)Fast delivery!
(5)Best service!

Support the mines of the world!

 

                   Protect the miners in the world! 

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