Rear Flared Anchor M12
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Rear Flared Anchor M12

The rear flared anchor M12 surface adopts hot-dip galvanizing process, the thickness of the zinc layer is 55um, to ensure the smooth screwing of the nut and the bolt. The rear flared anchor M12 screw is made of high-quality cold-heading alloy steel 40Cr, which avoids the risk of hydrogen embrittlement caused by the use of 45 steel.

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Product Description

Rear Flared Anchor M12


1. Features and advantages

1. The screw is made of high-quality cold-heading alloy steel 40Cr, which avoids the risk of hydrogen embrittlement caused by the use of 45 steel

2. The casing is made of high-quality cold-drawn Q345B seamless steel pipe, which is CNC turned to ensure the accuracy of the pipe walls at both ends.

3. The natural transition design of the bolt R angle ensures the tight fit between the sleeve and the bolt

4. The selection of mold materials to the control of service life ensures the stability of anchor bolt quality

5. The non-expanded end of the casing is stamped and locked and integrated with the screw to avoid safety risks caused by the falling of the screw

6.8.8 level mechanical properties, superior tensile, shear, fatigue and fire resistance

7. The surface adopts hot-dip galvanizing process, the thickness of the zinc layer is 55um, to ensure the smooth screwing of the nut and the bolt

Rear flared anchor M12


2. installation diagram (self-reaming by tapping tool only)

Rear flared anchor M12


3. Anchorage geometry

Name

Specifications

Screw length

Length of teeth

Length of sleeve

Outer diameter

Nut thickness

Gasket thickness

Back expansion anchor

M12x60/20

110 mm

40 mm

60 mm

18 mm

mm 10.5

2.5 mm

Back expansion anchor

M12x80/20

130 mm

40 mm

80 mm

18 mm

mm 10.5

2.5 mm


4.Bearing capacity of anchor bolt with different buried depth in cracked concrete and non-cracked concrete


Non-cracking concrete

Cracking concrete

Anchor bolt size

M12x60/20

M12x80/20

M12x60/20

M12x80/20

f[mm] length of sleeve

60

80

60

80

L[mm] of total screw length

110

130

110

130

Nrd[KN] of tensile bearing capacity

20

24.1

12.1

13.3

Vrd[KN] of shear capacity

27

27

27

27





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