Meet the HILLMAN 3/8 in. D X 4-3/4 in. L Steel Round Head Strike Anchor, a dependable masonry fastener built to secure fixtures in concrete with solid, lasting grip. Designed for professional-grade performance in everyday projects, this anchor combines robust steel construction with a precise 3/8" hole and a thoughtfully engineered thread design for reliable installation.
Why this strike anchor stands out
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Heavy-duty steel core for durability in concrete applications, reducing the risk of pull-out under load.
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3/8" diameter with a 4-3/4" length and a minimum embedment of 1-3/4" to maximize holding power even in tougher masonry.
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Round head provides a clean, finished look and sits flush when installed, ideal for exposed or visible mounting surfaces.
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Included screw runs the full length of the anchor (4-3/4"), ensuring immediate compatibility out of the box.
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High/Low thread design enhances bite into concrete, improving grip without extra effort.
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Drill hole size 3/8" matches the anchor’s diameter for straightforward, repeatable installations.
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25 pieces per box in boxed packaging—great for multi-project jobs or stocking up a masonry toolkit.
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Concrete application focused use to meet common mounting needs in masonry walls, floors, or slabs.
Specifications at a glance
- Diameter: 3/8 in
- Length: 4-3/4 in
- Minimum Embedment: 1-3/4 in
- Head Style: Round
- Material: Steel
- Required Drill Hole Size: 3/8 in
- Screw Included: Yes (Screw Length: 4-3/4 in)
- Number in Package: 25
- Packaging Type: Boxed
- Application: Concrete
- Capacity: 240 (specification per packaging, results vary with substrate and installation)
- Thread Type: High/Low
Ideal use cases
- Mounting shelving brackets, electrical fixtures, or conduit hangers to concrete or masonry walls
- Securing outdoor fixtures where a robust, corrosion-resistant anchor is needed (in appropriate environments)
- Installing heavy hardware for workshop or garage projects that demand dependable hold
How to install with confidence
- Mark the drill point on the concrete and drill a clean 3/8" hole to accommodate the anchor.
- Clean out debris from the hole to ensure full embedment.
- Insert the anchor into the hole, then drive in the supplied screw until the head sits flush and the fixture is securely fastened.
- For maximum performance, verify embedment depth and avoid overtightening, which can reduce holding power.
Whether you’re completing a DIY project or tackling professional masonry work, the Hillman 3/8 in. X 4-3/4 in. Steel Round Head Strike Anchor delivers a reliable, ready-to-use solution. With its boxed 25-pack, included screw, and targeted concrete performance, this anchor helps you get a solid mount—right out of the box.
