1/2-20 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated

1/4-20 x 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

7/16 x 6 ITM SDS Plus eVolution™ Hammer Drill Bit

3/4-10 x 2 Socket Set Screw Cup Point Alloy

6 x 1 1/4 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (8000)

3/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (3300) LedgerLOK Ledger Board Fasteners 1/2-20 x 8 Grade 83 8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (3300) . 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.