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Seam pipe bolt for sale

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Seam pipe bolt for sale

Seam pipe bolt for sale

1. Seam pipe bolt is specificity strong supporting supplies, is the underground culvert roof and other projects supporting the use of advanced materials, has simple manufacturing process, easy to use

2. Have strong anchoring force applied in underground support, strong expansion force, make the whole roof

1,Main technical performance

(1) the initial anchorage force: 3 ~ 7 tons;

(2) pipe ring pulled off load: 8 ~ 10 tons;

(3) pipe bolt tensile resistance: 12 ~ 13 tons;

(4) corrosion resistance than A3 steel, 20 to 30% more for use for a long time

2,technical requirements

1)Seam pipe bolt surface should be smooth, no serious injury, rust. Weld shall be no crack, no porosity, slag inclusion, are not allowed to burn through the wall. The tray on the rod body should be able to move freely. With the seam opening displacement between baffle ring 170 o - 190 o is advisable.

2) baffle ring weld pulled off force p 80 kn, pushing rod body limit 110 kn, or at the beginning of the anchor force p 25 kn/m, tray or greater bearing capacity of 65 kn.

3,Products use

First with a pneumatic drill bolt holes in the roof, the tray set into the anchor rod body, reoccupy FengChui will bar into the bolt hole in the body, make the tray and roof help and paste. Users in the use of bolt, the choice of the hole diameter in addition to refer to the table, should according to the specific conditions of rock, as stipulated in the GBJ86 standard selection.

Quality Seam pipe bolt for sale for sale
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