... these type of anchors called?A: Sleeve anchor, sup-r-sleeve, thunderbolt, bolt sleeve anchor, lok bolt, lock bolt, dynabolt, sleeve ... all, sleeve anchors, concrete anchor, block anchor, masonry anchor.Q: Does the sleeve anchor when ... , but the acorn and hex could have the stud sticking up through.Q: How do I determine the length of anchor to use?A: The Flat and ...