Shanghai Jiraw Construction Materials Co., Ltd.

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Shanghai Jiraw Construction Materials Co., Ltd.

Self undercut anchor

Product Item: MA—01
Brand: Jiraw
Material: Grade 5.8, 8.8 carbon steel and 304, 316 stainless steel
Surface treatment: cold galvanized (zinc layer thickness ≥ 5um); hot galvanized (zinc layer thickness ≥ 45um) (304,316 stainless steel does not require surface treatment)
Packing/Transportation: carton, pallet logistics
Product Manual:Self-undercut anchor can be used for anchoring of concrete and external wall structural parts. The reaming is completed synchronously at the time of installation and a mechanical lock is formed at the

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Packaging parameters:

Product model

Quantity (sets/carton)

Package sizecm

Package weight (kg/carton)

M10×40×80

M10×60×80

M12×60×100

M12×80×125

M16×100×150

M16×100×160

M16×120×180


Technical parameters(mm)

Screw diameter

Specification

Drilling diameter

Effective depth

Drilling depth

Screw length

Fixture aperture

Bolt spacing(min)

Substrate thickness(min)

Preset

Penetration

M10

M10/14*40

14

40

45

80

12

16

40

80

M10/14*60

60

65

100

60

120

M12

M12/18*60

18

60

70

120

14

20

60

120

M12/18*80

80

90

125

80

160

M12/18*100

100

110

150

100

200

M16

M16/12*100

22

100

110

160

18

24

100

200

M16/12*120

120

130

180

120

240


Design Parameters(KN)

Product model

M10

M12

M16

Tensile design reference for C30 non-cracked concrete

5.8grade

13.8

19.8

30.9

8.8 grade

16.8

22.9

34.5

A2-70

15.3

20.8

32.3

A4-80

16.8

22.9

34.5

Shear design reference

for C30 non-cracked concrete

5.8 grade

10.5

14.5

27.8

8.8 grade

13.1

19.0

32.3

A2-70

12.6

18.3

29.0

A4-80

13.1

19.0

32.3

Tensile design reference for C30 cracked concrete

5.8 grade

11.0

17.2

24.5

8.8 grade

A2-70

A4-80

Shear design reference

for C30 cracked concrete

5.8 grade

10.5

14.5

27.8

8.8 grade

13.1

19.0

32.3

A2-70

12.6

18.3

29.0

A4-80

13.1

19.0

32.3


Operating procedures:

1. Use straight hole drills to drill holes of corresponding diameter and depth

2. Use the soot blower to sweep ash until the hole has no dust overflow

3. Use a hammer drill to hammer down the self-undercut anchor, so that the bottom can be opened and the anchoring can be completed.

P.s. Electric hammer, drills, soot blowers and knocking tube will be used during the operation. Jiraw is equipped with knocking tube as standard. Others are purchased on demand.




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