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Adjustable Fit – Slides up or down for easy chute removal or maintenance
Mill galvanized to prevent corrosion
clean cuts in fiber cement backer board — without scoring and snapping
and renovation work
SFS BMSD4-S3-14 Bi-Metal Self-Drilling Screw - 1/4" x 1-1/2" Hex Washer Head (250 Pack) 43000172 Adjustable Fit – Slides upThe SFS BMSD4 S3 14 is a heavy duty Bi Met 300 self drilling screw engineered for heavy gauge metal connections, curtain wall systems, building envelope attachments, and other demanding exterior applications. Its bi metal construction combines corrosion resistant 304 stainless steel with a hardened carbon steel drill point, delivering exceptional drilling performance while maintaining long term corrosion resistance. The SD4 self drilling point quickly