discount 70% in 2018-09-25 to 2018-09-27
price: USD$ 14.28
freight :USD$7.00,(Postal parcel)
Search Similar or mail to saler or send message to saler
Example of installation method of internal expansion screw:
Installation of M6 internal expansion screw, the diameter of 10MM hole, according to 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.
2、Drilling diameter: M6 series drilling hole diameter is 10mm,M8 series bore diameter is 12mm
M10 series bore diameter is 14mm,M12 series bore diameter is 16mm
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.