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Double Expansion Anchors

Double Expansion Anchors can be used for fastening into rock, concrete, brick, etc. eliminates high stress points detrimental in fastening into materials of medium hardness, expands fully and has high gripping power.

Ideal for sheer loads or where bolt is subject to side pressure or vibration.

Does not fracture, and permits fastenings at any length.

The test values listed were obtained using 200-250 kgs/cm2 concrete(no aggregate).

A safe working load should not exceed 25% of stated value.
Installation of Double Expansion Anchor

Drill a hole Insert anchor Insert screw and tighten

Anchor Size Min. Drill Dia. Hole Depth Weight Kgs/1000pcs Qty. Per Box/Ctn Pull out Load (Kgs)
1/4" 1/2" 1-3/8" 18.2 50/500 1060
5/16" 5/8" 1-5/8" 34 50/500 1340
3/8" 5/8" 1-5/8" 57 50/500 2260
1/2" 7/8" 2-1/2" 82 25/250 4110
5/8" 1" 2-3/4" 114 25/150 6170
3/4" 1-1/4" 2-7/8" 251 10/80 7710

Relative Expansion Anchors:
Single Expansion Anchors





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