1/4" x 3-3/4" Climaseal Coated Steel Slotted Hex Washer Head Masonry ScrewsType: Masonry Anchors
Head Style: Hex Washer (Slotted|5/16" Hex)
Drill Size: 3/16"
Thread Length: Partial
Type: Masonry Screw
Box of 100.
A tapered screw used to attach objects to concrete, brick and block.