... not fall off or twist in the hole.Dorp in Anchor Other Names1.thunderdrop2 multi ... a shallow hole,high holding power.2.Set flush with surface or deeper.3.Fire resistanceNOTED:Perfect expansion and specially designed built-in ... Cixi ShunTao Hardware Co., Ltd. is a professional manufacturer of many kinds of anchors,. ... supply drop-in anchor, wedge anchor, cut anchors,sleeve anchor,heavy duty anchors and so ...