.275" x 4-1/2" Conquest Structural Screw - T-30 Star Drive, Pkg 50 SDS Max Drill Bits use Outdoor Accents Hex-Head Washers

use Outdoor Accents Hex-Head Washers (STN22) over the screw heads

The PHBC assembly consists of a powder-actuated top-hat fastener attached to a basket clip

ideal for coastal environments and hardwoods like Ipe

This product is intended for use with 7-1/8x posts or columns but is also available in a wide range of other sizes and both nominal and rough-cut lumber

The Simpson ECCQ46-SDS2

.275" x 4-1/2" Conquest Structural Screw - T-30 Star Drive, Pkg 50 SDS Max Drill Bits use Outdoor Accents Hex-Head WashersConquest Structural Screws with T 30 star drive are engineered for serious holding power in structural wood applications. Whether you're working on deck framing, ledger boards, or general wood construction, these screws deliver superior strength, consistent drive, and peace of mind. Each screw features a T 30 star drive for maximum bit engagement and minimal slipping, allowing for quick and precise installs. The aggressive self tapping thread