9/64 Heavy Duty Drill Bit - Stubby Length

5 x 140 Hex Cap Screw 8

1/4 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (100)

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

1 1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (120) SNAPSKRU Drywall Anchors 9/64 Heavy Duty Drill Bit1 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.