M4,M5,M6,M8 A2 Stainless Steel. M5,M6,M8,M10 A2. Drop In Wedge Anchors. Internally threaded expansion anchor for use in concrete. M3, M4, M5, M6, M8. Drill the correct size hole, clear the hole, place the anchor in the hole, set the anchor with the setting tool, secure the workpiece with a suitable sized bolt.
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