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Sleeves are made from carbon steel with zinc plating. The drop-in anchors serve as an
expansion component for fasteners equipped with metric threads, such as metric bolts, threaded rods,
hanger bolts, etc.
Recommended for substrates: Concrete class C20/25 to C50/60 non-cracked (Structural).
Concrete class C12/15 to C50/60 (Non-structural)