Easy Installation and Inspection Quick Thread Attachment—Ideal for One Sided Forming The coil thread anchors have two diameters (1/2-Inch inch and 3/4 inch), and an internally threaded, all-steel shell with an expansion cone insert. Best Wiper Motor for Cars, Trucks & SUVs Order Red Head Multi-Set II Flush Embedment Anchor, 1/2 Dia, 2 L, Carbon Steel Plain, 50 PK, CL-12 at . Great prices & free shipping on orders over $50 when you sign in or sign... DIAB50C DIAB Drop-In Internally Threaded Coil-Thread Anchor for 1/2-in Specs: Corrosion Resistance Level - low; Bolt Size - 1/2-Inch inch; Threads per Inch - 6; Drill Bit Diameter - 5/8 inch; Thread Depth - 3/4 inch; Embedment Min. From the Manufacturer Red Head Multi-Set 1/2-Inch Inch Coil Thread Drop-In Anchor feature a quick thread attachment, making it ideal for one sided forming. These anchors are typically used for solid concrete projects, and use a coil rod. Two Diameters (1/2-Inch inch and 3/4 inch) Cone Inserts For Thread ITW Ed Head Multi-Set II 1/2-6 Steel Dop-In Ancho 50/BX DynaBolt Sleeve