Hex Washer Slotted Concrete Screw, 3/16 in Dia. x 2 1/4 in, Steel, Blue Climaseal Fastener Finish/ FASTENER LENGTH: 2.250 INCHES NOMINAL HEAD STYLE: C7 HEXAGON EXTENDED WASHER NONMACHINE THREAD STYLE: A11 CONE POINT (TYPE BP) NONMACHINE NOMINAL THREAD DIAMETER: 0.187 INCHES PART NAME ASSIGNED BY CONTROLLING AGENCY: RED HEAD MASONRY SCREW,HEX