these 1/4" x 2" anchors feature a mushroom head and come in a pack of 100

9/16-12 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

00 x 55 Socket Cap Screw 12

9/16 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (50)

1/4-14 x 3/4 Hex Washer Head TEKS® Self Drilling Screw (T3) Climaseal® (3000) 1/2-20 Socket Cap Screws 18-8 Stainless Steel these 1/4" x 2" anchorsThis 1 4 14 x 3 4 hex washer head TEKS Self Drilling Screw is designed to provide superior corrosion resistance, thanks to its Climaseal coating. It is perfect for use in outdoor applications and can provide a secure connection in a wide variety of materials.