.275" x 4-1/2" Conquest Structural Screw - T-30 Star Drive, Pkg 50 SDS Max Drill Bits The Simpson ECCQ46-SDS2

The Simpson ECCQ46-SDS2

offsetting corners to allow for the correct rail alignment

Wood-frame residential construction

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

Timber Frame Structures: Essential for heavy timber and post-and-beam construction

.275" x 4-1/2" Conquest Structural Screw - T-30 Star Drive, Pkg 50 SDS Max Drill Bits The Simpson ECCQ46-SDS2Conquest 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