1/2-13 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (275)

FastenMaster's FlatLok 2 7/8" Structural Wood Screws provide superior holding power for a variety of wood-to-wood projects

Bolts measure 1 1/4-7 x 5 1/2

These M36-4

The trim-head design helps reduce countersink depth for a flush finish

5/16 x 3 Strong-Point Wafer Head Knurl Type 17 WAR Coated Timber Screw - Carton (500) 9/16-12 Grade 8 Hex Cap Screws Plain - Domestic USA 1/2-13 x 1 3/4 Grade5 16 x 3 Strong Point Wafer Head Knurl Type 17 WAR Coated Timber Screw Carton (500) High performance timber screws featuring a wafer head design. Dimensional specifications: 5 16 x 3 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.