Stainless Steel Through Expansion Bolts

A4 grade stainless steel through (thru) bolts / wedge anchors are anchors designed to fix a component to concrete and offers the advantage of needing the same clearance hole diameter as the drill hole.

The design gives high tensile and shear performance, with simple installation and instantaneous load capability. Anti rotational lugs.

They are also known also as a concrete anchors and threaded extension bolts.

These bolts are ideal for attaching steel components to concrete such as ledger angle, wall ties, support brackets, props and timber beams to concrete.

The best grade A4 stainless steel is suitable for marine and food areas.

Supplied pre-assembled for rapid installation.

6mm, 8mm, 10mm and 12mm diameters available.