Steel Concrete nails are also known as Concrete Steel nails or Masonry nails. Steel Concrete nails are widely used to secure objects into masonry and other hard and brittle materials. Galvanized Steel Concrete Nails（Smooth Shank） Nail Sizes 1.8×20mm 4.2×75mm Nail Sizes 2×25mm 4.57×100mm Nail Sizes 3×40mm 4.8×80mm Nail Sizes 3.4×50mm 4.8×90mm Nail Sizes 3.8×65mm 5×125mm Black Concrete Nails/Bluish Concrete Nails Nail Sizes 2×20mm 2×25mm 2×30mm Nail Sizes 2.5×25mm 2.5×30mm 2.5×40mm Nail Sizes 3×30mm 3×40mm 3×50mm Nail Sizes 3×60mm 3×60mm 3×70mm Nail Sizes 3×80mm 3×90mm 3×100mm Nail Sizes 4.2×75mm 4.2×100mm 4.2×125mm Color Concrete Nails Nail Sizes 3×25mm 3×30mm 3.2×40mm Nail Sizes 3.6×50mm 4×60mm 4.2×75mm Nail Sizes 4.2×100mm Sunk-Head Concrete Nails Nail Sizes 2.5×25mm 2.5×30mm 2.5×40mm Nail Sizes 3×30mm 3×40mm 3.2×50mm Nail Sizes 3.6×65mm 4×75mm 4.2×100mm K Concrete Nails / T Concrete Nails Nail Sizes 3×25mm 3×40mm 3.8×25mm Nail Sizes 3.8×40mm 3.8×50mm 3.8×65mm Nail Sizes 3.8×75mm 3.8×100mm Packing of Concrete Nails 1. 20-25KG/Carton in Bulk 2. 20-25KG/Wooden Box in Bulk 3. 400Gram/Box ,50Boxes/Carton 4. 500Gram/Box ,40Boxes/Carton 5. 1KG/Box,25Boxes/Carton 6. 2.5KGS/BOX,10Boxes/Carton 7. 5KGS/Box,6Boxes/Carton