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

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

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

1-8 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

3/4-10 x 3 Hex Cap Screw SS 18-8 (A2)

1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150) Titen HD® Heavy Duty Screw Anchors Zinc Plated TimberLOK® Heavy Duty Wood Screws1 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.