1/4"-20 Zinc-Plated Drop-in Anchors (30 Pack) - Heavy Duty Concrete Anchors for Secure Mounting | Easy Installation for Construction, Home Improvement & Outdoor Projects | Perfect for Shelves, Fences & Deck Railings

Other Products You May Be Interested! Hex Head Lag Screws Buying Options Wedge Anchor Add to Cart Confirmat Screws Buying Options Wedge Anchor Buying Options Customer Reviews 4.4 out of 5 stars 37 4.5 out of 5 stars 189 4.8 out of 5 stars 15 4.5 out of 5 stars 189 Price — $9.99$9.99 $9.34$9.34 — SIZE 1/2'' x 4'' 1/4 x 3-3/4'' M7*75mm 3/8 x 3-3/4'' Total Number 25pcs 10pcs 20pcs 50pcs Application Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor Package Plastic Box Plastic Box Plastic Box Plastic Box Brand Party Animals Party Animals Party Animals Party Animals Can they be used in hollow concrete blocks? The drop-in anchors can only be used in solid concrete and should never be used in block or brick base materials. The anchor is specifically designed for dry, indoor applications in concrete surfaces. Do they require a setting tool for installation? A setting tool is required for installing these drop-in anchors. Is it suitable for installing handrails or heavy equipment? The drop-in anchor is designed for use in solid concrete and can only be used in dry, indoor applications. Are they compatible with anchor screws or bolts? The 1/2" drop-in anchors are designed to be used with 1/2"-13 diameter bolts or screws. The diameter specified refers to the inside/screw diameter of the anchor, which matches 1/2"-13 bolts and screws.