Which kind of drywall or hollow wall anchor is rated for heavy duty applications?

• A. Snap type toggle
• B. Simple screw anchors
• C. Plastic wall plugs
• D. Toggle bolts

Answer: (D)

Toggle bolts are the correct choice for heavy-duty applications when it comes to drywall or hollow wall anchors. They are specifically designed to provide strong support in hollow spaces, such as behind walls. The mechanism involves a set of wings that open up once the bolt is fed through the wall and tightened, effectively distributing the weight across a larger area of the wall surface. This design provides a much greater holding capacity than other types of anchors, making them suitable for hanging heavier objects.

In contrast, the other options do not offer the same level of support. Snap type toggles, while also strong, are typically used for lighter loads compared to toggle bolts. Simple screw anchors and plastic wall plugs are generally designed for lighter applications and may not be as reliable for heavier loads, which can result in failure under stress. Therefore, when needing to secure heavy items, toggle bolts are the preferred choice due to their robust construction and effective weight distribution.