Simpson SD8X1.25-R #8 x 1-1/4" Wafer-Head Screws ECC End Column Caps What is the purpose of

What is the purpose of the 1-inch standoff on the ABU66SS

The dome washer measures 1/2" in size

Designed to face-mount wood joists to wood

What does the "Double" designation mean for the HUC312-2

Simpson SD8X1.25-R #8 x 1-1/4" Wafer-Head Screws ECC End Column Caps What is the purpose ofThe Simpson SD8X1. 25 R Wafer Head Screw from Simpson Strong Tie is a #8 x 1 1 4 in. interior wood screw engineered for reliable general wood to wood fastening. Featuring a low profile wafer head and a deep #2 Phillips drive, this screw delivers exceptional pull through resistance while keeping installation fast and cam out free making it an ideal choice for everything from cabinetry to framing. Key Features Wafer head design provides a low profile