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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
5/16" hex head for secure installation
and 100mm —it’s compatible with both a power drill and hand wrench
providing strong pull-out resistance and consistent performance
Black EPDM 500
SFS BMSD3-S3-12 Bi-Metal Self-Drilling Screw - #12 x 2" Hex Washer Head (250 Pack) 6 inch gutter hanger 5/16" hex head for secureThe SFS BMSD3 S3 12 is a premium Bi Met 300 self drilling screw designed for light and medium gauge metal connections, curtain wall systems, building envelope attachments, and standard facade subframe installations. Its bi metal construction combines corrosion resistant 304 stainless steel with a hardened carbon steel drill point, delivering increased drilling capacity while maintaining the long term corrosion resistance required for exterior