1/2-13 Double Expansion Dual Machine Bolt Anchor Zinc Alloy 25/Bx

Aerosmith"s Dual Machine Bolt Anchors can be used in solid concrete, brick, block and stone. The dual machine bolt anchor is made of die cast Zamac alloy and is corrosive resistant. Although the product can be used in many base materials it is sometimes used in questionable materials because it expands against the concrete at two points. Sizes are available from 1/4" to 3/4" diameters. Drill the proper diameter hole to the specified embedment, tap anchor into pre-drill hole until flush. Put fixture in place and insert machine bolt. Tighten to required torque to properly set the anchor. This product is not recommended for overhead applications.