China manufacturer metal window frame anchor / expandable hollow wall anchor M10

Anchor bolt are available in a wide range of sizes - from M6-M24, with lengths up to 200mm. Concrete Fasteners carries anchors bolt in zinc plated carbon steel and stainless steel. Concrete anchors provide 360° of hole contact over large areas and greatly reduce concrete stress that can cause wear and tear over time. Available in four head styles - hex, flat, acorn and round - and able to be used in solid concrete, brick and block base material, the concrete anchor boltwill meet the needs of numerous project requirements.

Window frame anchor is the pipeline/hanging bracket or device fixed on the wall, floor, a special threaded connectors used in the column.
Expansion screws fixed principle: screw fixed slope Qie form is used to prompt expansion of friction grip of, fixed effect.Screw with a head is thread, a job.Coated steel sheet, iron sheet drum half number of incision, put them together into a good hole in the wall, then lock nut and the screw nut to pull, pull vertebral degrees into the steel cylinder and steel cylinder is rolling out, then firmly fixed on the wall, commonly used in fence, rain loose, air conditioning and other fastening on material such as cement, brick.But its fixed is not very reliable, if there is a bigger shock load, may be loose, therefore is not recommended for installation of ceiling fans, etc
 


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