Anchor bolts fastener

Model:	MF33/39/42/47
Brand:	TONRY
Origin:	Made In China
Category:	Industrial Supplies / Machine Hardware / Nuts & Bolts
Label:	Anchor bolts , fastener , bolts
Price:	-
Min. Order:	500 pc

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Product Description

Anchor bolts fastener：

1.Material: steel

2.Fuction : split sets bolt for support

3.Diameter : 33mm 39mm 42mm 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%

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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