... & M5X22-M6X65 High quality,fast,easy to use Zinc Alloy Hammer Drive ANCHOR is a fast,easy-to-use expansion anchor ... fixture tightly locked in place.The test values listed were obtained using 200-250kgs/cm2 concrete(no aggregate).A safe working load ... anchor, ceiling anchor, metal frame anchor, bolt anchor, zinc alloy hammer drive anchor, express nail anchor, kinds of plastic anchors, and ...