Hillman 5/16 in. D x 3.75 in. L Carbon Steel Round Head Setting Tool Machine Screw Anchor are purpose-built for secure masonry mounting. Designed to work with brick, concrete, and hollow blocks, these round-head anchors deliver dependable grip and a clean finish once the screw is seated.
What makes this anchor stand out:
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5/16 in. diameter, 3.75 in. length provides a substantial anchor and deep embedment for reliable load support on masonry surfaces.
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Carbon steel construction delivers durability and rigidity to stand up to everyday mounting tasks.
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Round head setting tool design creates a neat, flush appearance and facilitates a tidy mounting point for fixtures.
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High/Low thread pattern engineered to grip masonry efficiently, reducing installation time and improving pull-out resistance.
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Boxed 5-piece pack offers ready-to-use storage and multiples for projects or repeat installations.
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Screw not included—pair with your preferred machine screw to match the embedment and fixture you’re mounting.
Ideal uses include securing shelves, brackets, conduit supports, light fixtures, and other hardware to masonry walls. The 3.75-inch length ensures you get solid grip in both brick and concrete applications, while the 5/16-inch diameter provides compatibility with a wide range of standard machine screws. This set is perfect for DIY enthusiasts tackling home improvement projects or professionals handling multi-point mounting on masonry surfaces.
Practical tips for best results:
- Choose a machine screw that matches the anchor’s diameter and provides the desired embedment length for your fixture.
- Make sure the drill hole and hole depth are appropriate for the anchor size to ensure a secure bite.
- Use a setting tool to seat the anchor consistently and achieve a tight, flush finish with the screw.
- Inspect anchors after installation for stability, especially on outdoor or high-vibration installations.
