0 x 70 Hex Cap Screw 8

3/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (4700)

1-8 x 4 1/2 Socket Cap Screw 18-8 (A2) Stainless Steel

On diameters over 1 inch to 1 1/2 hardness will range from HRC 19-30

engineered washer and LOK-Nut

1 1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (120) SNAPSKRU Drywall Anchors 0 x 70 Hex Cap1 1 2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (120) . 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.