Heavy Duty 12 Pack Knurled Drop In Anchors for Solid Concrete Three Eighths Inch Sixteen Thread Carbon Steel Internal Forced Expansion Bolts with Silver Zinc Coat Ferrtitan Ideal For Contractors

Heavy Duty 12-Pack Knurled Drop-In Anchors for Concrete
✔️ 12 pcs, 3/8-16 (9.525 mm) carbon steel knurled drop-in anchors, zinc-coated

These knurled drop-in anchors are designed for solid concrete and are ideal for securing fence posts, doors, and machinery brackets in construction projects. They provide strong, vibration resistant fastening in masonry and concrete.

✅ 12 pcs pack, 3/8-16 (9.525 mm) carbon steel knurled drop-in anchors with silver zinc coating
✅ Internal expansion design plus knurled surface resists loosening under vibration, Grade 4.8 steel
✅ Works in solid concrete and masonry; accepts standard bolts via direct insertion
✅ Clear plastic storage box included for easy identification and portability

💡 What is a drop-in anchor used for in concrete projects?

This handy fastener bites into solid concrete and holds bolts securely.

- Secures machinery, brackets, and structural components in concrete - Expands inside the hole to bite into the substrate and resist pull-out - Works with standard bolt sizes like 3/8-16 for quick replacements - Suitable for outdoor use thanks to the zinc coating