L H Dottie Co MA8 Machine Screw Anchor 1/2-13

Product Description

The L H DOTTIE CO MA8 is a 1/2-13 machine screw anchor designed for fastening applications in concrete, block, and masonry substrates. This anchor accepts a 1/2-inch diameter, 13 threads-per-inch machine screw, providing a secure threaded connection in hard base materials. It is a single-unit hardware accessory used by electricians, plumbers, HVAC technicians, and general contractors when mounting equipment, conduit hangers, strut, or other structural attachments to masonry surfaces. The MA8 is a straightforward, field-ready anchor suited for both new construction and retrofit work.

The MA8 is used in commercial and residential installations where a reliable threaded anchor point is needed in concrete or masonry. Typical applications include mounting electrical panels, pipe hangers, mechanical equipment supports, and unistrut channel to block or poured concrete walls and floors. It is commonly specified when a permanent, load-bearing threaded connection is required in a masonry base material.

Key Features

• Accepts 1/2-13 machine screws for a standard threaded connection
• Designed for installation into concrete, block, and masonry substrates
• Single-unit packaging for individual or small-quantity use
• Compatible with standard 1/2-inch masonry drill bit hole preparation
• Suitable for a wide range of mechanical and electrical mounting applications

Compatibility

Designed as an OEM-style replacement and standard fitment anchor for use with 1/2-13 threaded machine screws in masonry and concrete fastening applications.

Installation Notes

Installation is typically performed by licensed electricians, plumbers, or mechanical contractors as part of equipment mounting work. Before installing, drill the appropriate-diameter hole in the masonry substrate to the required depth per the anchor manufacturer specifications, then clear the hole of dust and debris. Always follow applicable local building codes and guidelines when anchoring structural or mechanical loads to masonry. Do not exceed the rated load capacity of the anchor for the base material in which it is installed.