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The ACORN R3163J is a spring wing toggle bolt sized at 3/16 x 3 inches, designed for fastening fixtures and hardware to hollow walls and ceilings. The spring-loaded wings expand behind the wall surface once inserted through a drilled hole, distributing load across the back face of the material. This type of anchor is a standard fastener used by electricians, plumbers, HVAC technicians, and general contractors when a solid stud or joist is not available at the desired mounting location. At 1.68 pounds per package, the R3163J is suited for jobsite and shop use where multiple fasteners are needed for a single installation.
Spring wing toggle bolts are used in a wide range of trade applications, including mounting electrical boxes, conduit straps, pipe hangers, duct supports, and light fixtures to drywall, plaster, and similar hollow-wall substrates. The 3/16 x 3 inch size provides sufficient thread engagement and bolt length for mounting through standard wall thicknesses with typical fixture flanges or brackets. This fastener is appropriate for both residential and light commercial work.
Designed as a standard spring wing toggle bolt for use in hollow drywall, plaster, and similar cavity wall and ceiling substrates where a solid backing is not available.
Installation requires drilling a clearance hole sized to allow the folded wings to pass through the wall material. Electricians, plumbers, and HVAC technicians should verify the wall substrate and load rating before installation. Do not overtighten the bolt, as excessive torque can pull the wings through lightweight or damaged drywall. Follow applicable local building codes for fastener selection in structural or overhead applications.
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