1/4-20 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (550)

000 psi for Hot-Dip Galvanized material

25/32 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

3/8-24 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

TimberLOK® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws

1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150) Titen HD® Heavy Duty Screw Anchors Zinc Plated 1/4-20 x 3 1/2 Grade1 2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150) . L9 High Tension USS pattern flat washers are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods.