... anchor,thus a shallow hole,high holding power. 2.Set flush with surface or deeper. drop in anchor1.Specifications Place of ... OriginGuangdong, China (Mainland) Brand NameEG Model NumberDrop In Anchor TypeDrop-in Anchor Materialsteel, stainless steel DiameterM6-M20; W1/4-W3 ... thus a shallow hole,high holding power.2-2. Set flush with surface or deeper.3.-3 Fire resistan High Quality drop in anchor