These bolts have a zinc coating that protects them from rusting and are designed to resist wear and vibration

#36 Heavy Duty Jobber Drill Bit

1/4 x 3 Simpson Strong-Drive® SDS Heavy-Duty Connector Screw Double-Barrier Coating - Carton (950)

making driving easier

5 x 170 Hex Cap Screw 8

5/16 x 10 Strong-Point Wafer Head Knurl Type 17 WAR Coated Timber Screw - Carton (250) Square Flat Particle Board Screws Zinc Plated These bolts have a zinc5 16 x 10 Strong Point Wafer Head Knurl Type 17 WAR Coated Timber Screw Carton (250) High performance timber screws featuring a wafer head design. Dimensional specifications: 5 16 x 10 with 5 16 diameter. Features knurled thread pattern for superior grip and reduced installation torque. Engineered with Type 17 self drilling point that eliminates pre drilling requirements in most applications. Exterior wood structural screws for outdoor applications.