Sup-R-Drop 304 Stainless Steel Mechanical Anchor, 1/4"-20 Thread Size, 3/8" Diameter x 1" Length (Pack of 100)

MKT Fastening Sup-R-Drop mechanical anchoring system is made of 304 stainless steel. Ideal for flush-mounting applications. Preassembled for ease of installation. Female threads accept standard UNC bolts or threaded rods. Slotted body is precision matched to a tapered internal plug for solid uniform expansion. Knurled body increases frictional forces between anchor and wall of hole. Concerns: dead load only, hole depth must be equal to anchor length and do not over torque. Approvals/listings: G.S.A. Spec FF-S-325C, Group VIII, Type 1. 1/4"-20 Thread size. 1/4-inches UNC bolt size. Measures 3/8-inches diameter by 1-inches length. 1-inch Minimum embedment. 5 foot pounds Maximum torque. 3/8-inches Hole diameter. Ultimate tension in 2000 PSI concrete: 2050 pounds and ultimate tension in 4000 PSI concrete: 2104 pounds. Ultimate shear: 1321 pounds.