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12mm304 stainless steel expansion bolt expansion screw M12*70-150-160-170-180-200

price:USD$32.18
discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 22.53
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Commodity code [559332966206]

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As shown in the illustration, the installation method of expansion screw is illustrated:
Installation of M6 expansion screw, diameter of 10MM hole, in accordance with the outer diameter of the tube wall hole. Two, the expansion tube part to enter the wall, as long as the thread part is long enough, the deeper part of the casing, the more solid.
NeedBe carefulYes, the expansion screw must be installed on a relatively hard substrate, soft and easy to fall out of place, unstable, such as the wall of the gray seam.

Attention points of expansion screw installation:
1, drilling depth: related information is the length of the expansion tube, but we found in the specific construction of this depth is not enough, it may be related to debris debris, so you better than the expansion tube length of about 5 mm deep. As long as you are larger than or equal to the length of the expansion tube, the length of the expansion bolt left in the ground is equal to or less than the length of the expansion tube.

2Drilling instructions:

M6 series: thread 6 mm thick, expandable tube 9.6 mm in diameter,M10 drills are required to drill normally. Recently, many customers have pointed out that the holes drilled with M10 drill can not be installed tightly, and then they will slide.If the brick wall structure is loose, it is recommended to drill with M9 non-standard drill in our shop!

M8 series: thread 8 mm thick, expandable tube 11.6 mm in diameter,M12 drills are required to drill normally. Recently, many customers have pointed out that the holes drilled with M12 drill can not be installed tightly, and then they will slide.If the brick wall structure is loose, it is recommended to drill with M11 non-standard drill in our shop!

M10 series: thread 10 mm thick, expandable tube 13.6 mm in diameter,Normally drilling with M14 bits is required;

M12 series: thread 12 mm thick, expandable tube 15.6 mm in diameter,Normally drilling with M16 bits is required.

3, the expansion bolts on the ground of course, the harder the better, it also depends on the force you need to fix the object. Install inConcreteThe stress intensity is five times as much as that in the brick.
4. After installing a M6/M8/M10/M12 expansion bolt in concrete, its maximum static force is 120kg/170kg/320kg/510kg.


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