1/2-20 x 3 1/2 Socket Set Screw Cup Point Alloy

5/16-18 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

while the 6-lobe drive reduces stripping and increases driving torque by up to 25% compared to Phillips drive screws

For professional builders working with redwood

1-8 x 36 A307A Hex Bolt Plain Steel

1/4-28 x 8 Hex Washer Head TEKS® Self Drilling Screw (T5) Climaseal® (150) 1 1/8-12 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/2-20 x 3 1/2 SocketDesigned to create a strong hold, this TEKS self drilling screw has a Climaseal coating for corrosion resistance. The 1 4 28 x 8 inch Hex Washer Head is guaranteed to stand up to any tough job. Perfect for high load applications and available in a pack of 150.