9/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1000) Reduced Shank Drill Bits Cobalt - 1/2 Shank 8 x 3/4 Simpson Mod

8 x 3/4 Simpson Mod Truss-Head Self-Drilling Wire Lath Screws - Phillips Drive 410 SS - Box (100)

#9 Heavy Duty Drill Bit - Stubby Length

3/4-16 x 2 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (120)

1/2-13 x 5 Hex Cap Screw SS 316 (A4)

9/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1000) Reduced Shank Drill Bits Cobalt - 1/2 Shank 8 x 3/4 Simpson Mod9 16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1000) . 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.