5/8-11 x 6 1/2 Flat Socket Cap Screw Alloy

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

1/2-13 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (450)

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

8 x 2 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 5 lbs Pack (640)

1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150) Titen HD® Heavy Duty Screw Anchors Zinc Plated 5/8-11 x 6 1/2 Flat1 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.