Simpson 6 x 6 Adjustable Post Base ZMAX ABU66Z ECC End Column Caps Why are SDS screws used

Why are SDS screws used instead of bolts on this holdown

delivering extreme durability and 5x longer cutting life so professionals spend less time changing blades and more time working

Designed to meet stringent building codes for seismic or high-wind events

Installing two straps back-to-back on a piece of lumber distributes loads more evenly

Simpson 6 x 6 Adjustable Post Base ZMAX ABU66Z ECC End Column Caps Why are SDS screws usedThe Simpson Strong Tie ABU66Z ABU ZMAX Galvanized Adjustable Standoff Post Base for 6x6 is a high capacity post base engineered by Simpson Strong Tie to attach wooden posts to existing concrete. Featuring a built in 1 inch standoff that helps prevent rot at the post end and a slotted anchor hole for precise, flexible positioning, this adjustable post base delivers maximum uplift performance in a cost effective, code compliant design. ZMAX