3/8" x 4" Conquest Large Diameter Concrete Screws - Zinc, Pkg 50 3M DBI-SALA Harnesses Its enhanced internal mechanism further

Its enhanced internal mechanism further reduces the occurrence of lockups

Notice: For best results in corrosive settings

Seat Washer Securely: Tighten until evenly compressed without distortion

webbing absorbs little water

3/8" x 4" Conquest Large Diameter Concrete Screws - Zinc, Pkg 50 3M DBI-SALA Harnesses Its enhanced internal mechanism further3 8" x 4" Conquest Large Diameter Concrete Screws Zinc, Pkg 50 The 3 8 inch by 4 inch Conquest Large Diameter Concrete Screw provides extended embedment and strong pull out resistance in concrete and masonry. Finished with a zinc coating for dry interior use, it is well suited for structural and mechanical installations. Each box contains 50 screws. 4 Inch 3 8 Inch Zinc Heavy Duty Masonry Screw Ideal for thicker assemblies and structural attachments,