They are mostly made from carbon steel,designed and produced the heavy duty one shell, two shells,three shells or four shells,pre-assembled a conical nut used to expand the shells to pull into the cone nut when installation.Made as the Metric, Inch threads standard from diameter M6-1/4" to M20-3/4".
Heavy Duty Shield Anchor consists of one shell,two shells,three shells and four shells, especially the cone nut inserted used to expand the anchor body when being pulled into the anchor shells to tighten the nur or the bolt head.
They are usually suitable for pre-positioned and pre-drilled hole installation.When tightening the nut or the bolt head,the cone nut is pulled into the expansion shells and being expanded in the drilled hole wall. For the correct and safe installation operation , please ensure that the pre-positioned anchor can be supported on the parts, or that the threaded bolt is countered.
In the product systems, The two heavy duty shells style have anti-rotating wing because of the extensive anchorage and adhesion in the hole wall, it also performs well on low compressive strength, concrete, stone or dense materials.Many accessories are available, such as S-type with Hex bolt, E-type with Eye bolt, H-type with Hook bolt, T-type with threaded bar.The loose bolt and projection bolt are supplied. Special size and style are available as customers' demand.
The red plastic collar centering bushing ensures the good function of the anchorage.The red plastic cap can protect the internal thread from dust in the hole during installation.
It is made of carbon steel as the Metric, Inch threads standard from diameter M6-1/4" to M20-3/4" for the special size and the style are available according to sketch and sample.
The surface could be plated by zinc plating, HDG or Dacromet as the customers' request.They are used in the concrete or masonry place,construction building site to fix and fasten the objects safely and widely.