20 Pack Premium Zinc Plated Carbon Steel Drop-In Anchors 3/8-16 Knurled Internal Expansion For Solid Concrete Corrosion Resistant Durable Concrete Anchors For Fast Secure Mounting Of Heavy Fixtures

Premium 20-Piece Knurled Drop-In Anchors for Concrete
✔️ 3/8-16 bolts, depth 1-9/16 in (49.21 mm), dia 1/2 in (12.7 mm)

These knurled drop-in anchors are premium zinc-plated iron anchors designed for solid concrete. They expand internally to grip the concrete, creating a secure mounting point for fixtures, brackets, or supports in masonry. Ideal for indoor and outdoor installations where machine screws, bolts, or threaded rods connect hardware to concrete.

✅ 20 pcs 3/8-16 knurled drop-in anchors in each pack, zinc-plated iron
✅ Depth 1-9/16 in (49.21 mm), hole diameter 1/2 in (12.7 mm)
✅ Internal expansion design provides strong grip in solid concrete
✅ Compatible with machine screws, bolts, or threaded rods for fixtures

💡 What is a concrete drop-in anchor used for and how does it work in masonry applications? Drop-in anchors are handy fasteners for attaching fixtures to solid concrete. They set securely with an expansion mechanism inside the hole, creating a tight grip. - Handy for mounting brackets, supports, or equipment to concrete - Expands internally to bite into the surrounding material - Works with 3/8-16 bolts and threaded rods