Masonry Screws

Lindstrom 1/4 In. X 2-3/4 In. Slotted Hex Head Masonry Fasteners (100 Per Pack)

Concrete Screws Tap Threads Into A Predrilled Hole In Concrete, Brick Or Block. The Threads Are Hardened To Cut The Base Material. The Threads Are Created With A Special Design That Allows For Removal Of The Dust That Is Created While Cutting The Threads...