Peco, 3904J, Masonry Screw, 2-1/4 in Overall Length, Hex Head Drive, Steel, 1/4 in Thread
Head Drive Type
Hex
Material
Steel
Overall Length
2-1/4 in
Thread Size
1/4 in
Brand
Peco
Country of Origin
US
Masonry screw at a minimum should be install 10 anchor diameter apart spacing of anchorCase hardened high strength steelMeasurement of minimum embedment depth plus 1/4 in D of installation holeSafe working load is one quarter the average proof test load in table above tensile and shear strengthEach box or jar of masonry screw includes one masonry screw drill bit3/16 x 4-1/2 in drill1 to 1-3/4 in embedment3/4 to 1-1/4 in maximum fixture thicknessTensile strength of 615 lb for hollow block and 1138 lb for concreteShear strength of 1058 lb for hollow block and 1604 lb for concrete