As the anchor is driven into the hole

1/4-20 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (2500)

3/8-16 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (225)

Good for exterior and most marine applications

195 x 4 Simpson Strong-Drive® SDWH Timber-Hex Screw Double-Barrier Coated - Box (50)

#8 x 1 5/8 Simpson Deck-Drive™ DSV WOOD Quik Guard® Coating Screw (T25 6-Lobe) Red - Box (1750) 7/8-9 Socket Set Screws Cup Point Alloy As the anchor is drivenSecure your decking with confidence using the Simpson Deck Drive DSV WOOD Screw, sized at #8 x 1 5 8". This box of 1750 screws features a distinctive red Quik Guard coating for exceptional corrosion resistance, making it ideal for exterior wood applications. Engineered from case hardened steel with a T25 6 Lobe drive for high torque installation, its unique DSV thread design ensures a clean, secure hold while preventing wood splitting.