Hillman 375311 Phillips Tapper Concrete Screw, 1/4" x 3.25", 100 Pack HELLOFALL10 and particularly noted for their

and particularly noted for their performance with heavy-mineral content

re-treat every six months

Helps prevent future soils

A 3-stage filtration system helps prevent clogs

Hillman 375311 Phillips Tapper Concrete Screw, 1/4" x 3.25", 100 Pack HELLOFALL10 and particularly noted for theirUse with tapper bits for best performance BLUE Perma Seal coated. Ultimate tension 4,000 PSI concrete 2,330 LB, ultimate shear 4,000 PSI concrete 2,390 LB. 1 4" x 3 1 4" Tapper concrete screw with bit Phillips flat head Blue Perma Seal coating 1 3 4" Embedment Ultimate tension 4,000 PSI concrete 2,330 LB Ultimate shear 4,000 PSI concrete 2,390 LB 100 Pack.