MKT Sup-R-Sleeve 304 Stainless Steel Hex Nut Mechanical Sleeve Anchor, 5/16" Diameter x 2-1/2" Length (Pack of 100)

MKT Fastening Sup-R-Sleeve acorn nut sleeve anchor is made of 304 stainless steel. Length of sleeve makes anchor more forgiving than a wedge anchor and induces less stress on the substrate. Can be used in solid or hollow masonry. Works in a bottomless hole. Required hole diameter equals anchor diameter. Supplied assembled with 4 possible head styles. Concerns: do not over-torque. Approvals/listings: G.S.A. Spec FF-S-325C, Group II, Type 3, Class 3. 5/16-inches Hole diameter. 1-1/2-inches Maximum thickness materials to be anchored. 1-1/8-inches Minimum embedment. 1/4-inches Diameter thread stud to set. 18-22 Required torque. Measures 5/16-inches diameter by 2-1/2-inches length. Ultimate tensile in 2000 PSI concrete: 1840 pounds, ultimate tensile in 3500 PSI concrete: 1900 pounds and ultimate tensile in 5000 PSI concrete: 2040 pounds. Ultimate shear in 2000 PSI concrete: 1376 pounds, Ultimate shear in 3500 PSI concrete: 1600 pounds and ultimate shear in 5000 PSI concrete: 2000 pounds.