5/8"-11 Non-Flange Drop-In Anchor, 2 1/2 inL x 1 in Dia., 25 PK/ THREAD PROVISION: THREADED END ITEM IDENTIFICATION: AN/FRN-42 HOLE ACCOMMODATION DIAMETER: 1.0 INCHES NOMINAL UNIT QUANTITY: 1 PART NAME ASSIGNED BY CONTROLLING AGENCY: DROP-IN ANCHOR SPECIAL FEATURES: OEM DOES NOT HAVE A CAGE CODE: RED HEAD CONCRETE ANCHORING SOLUTIONS, ITW COMMERCIAL CONTRUCTION, 700 HIGH GROVE BLVD. GLENDALE HEIGHTS, IL 60139. PHONE NUMBER 630 825 7900 MATERIAL: STEEL SURFACE TREATMENT: ZINC