Hillman 375309 Phillips Tapper Concrete Screw, 1/4" x 2-1/4", 100 Pack SummerEndSale ) This adhesive bonds to

)  This adhesive bonds to concrete

Starts easier than other self-drilling drywall anchors

Diameter: 31/64"

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and wants the full measure of safety afforded by a low-kickback chain

Hillman 375309 Phillips Tapper Concrete Screw, 1/4" x 2-1/4", 100 Pack SummerEndSale ) This adhesive bonds toUse with tapper bits for best performance BLUE Perma Seal coated. Ultimate Tension 4,000 PSI Concrete 1,850 LB, ultimate Shear 4,000 PSI Concrete 2,270 LB. 1 4" x 2 1 4" Tapper concrete screw with bit Phillips flat head Blue Perma Seal coating 1 1 2" Embedment Ultimate Tension 4,000 PSI Concrete 1,850 LB Ultimate Shear 4,000 PSI Concrete 2,270 LB 100 Pack.