Matching a concrete anchor to a drill bit is mostly a matter of following the anchor’s specified hole diameter—not measuring the anchor’s outside width and guessing. The right hole lets the anchor seat fully and…
A sleeve anchor and a drop-in anchor both fasten into concrete, but they work differently and suit different jobs. The practical choice comes down to what you’re attaching, whether you need a removable bolt, the…
Choose the right plug and screw A masonry plug, also called a wall plug, is a sleeve that expands inside a drilled hole as you drive in a screw. The plug grips the sides of…
Most plastic wall anchors can be pulled without damaging the surrounding drywall, but twisting hard or prying against the wall can turn a neat hole into a ragged one. The safer approach is to identify…
Start with the anchor, not the drill Anchor-hole depth depends on the fastener you’re installing. A plastic expansion plug, a sleeve anchor and a screw made for masonry do not all need the same hole…
What a Molly Bolt Does A molly bolt is a hollow-wall anchor with a machine screw and a metal sleeve. As you tighten the screw, the sleeve expands behind the drywall into several legs. Those…
A wedge anchor is a permanent, heavy-duty fastener for attaching equipment, posts, or brackets to sound concrete. It works by tightening a nut, which pulls a tapered stud into an expansion clip at the bottom…
When to use a sleeve anchor A sleeve anchor is a mechanical fastener for attaching objects to sound concrete or solid masonry. Tightening its nut pulls a tapered cone into a metal sleeve, expanding the…
A metal angle bracket can be fastened securely to a concrete block wall, but the right fastener depends on what the bracket will carry and whether you are drilling into the block face or its…
When a toggle bolt is the right choice A toggle bolt anchors a load behind hollow drywall or plaster. Its spring-loaded wings fold to pass through a hole, then open against the back of the…