Product Features
Product Description
The Simpson Strong-Tie HDIA37 HDIA Hollow Drop-In Internally Threaded Anchor is an internally threaded, flush-mount expansion anchor engineered for attaching threaded rod to support conduit, cables, and lighting. Designed for versatility across both hollow and solid base materials, this anchor delivers reliable holding power in CMU, hollow-core plank, brick, normal-weight concrete, and lightweight concrete - all with the convenience of a flush-mount installation using a compatible setting tool.
Key Features
- Suitable for suspending conduit, cable trays, pipe supports, fire sprinklers and suspended lighting into concrete
- Expansion design allows HDIA to anchor into CMU, hollow-core plank, brick, normal-weight concrete and lightweight concrete
- Internally threaded anchor allows for easy bolt removal
- Die-cast Zamac 3 alloy shell with carbon-steel cone
- Installs flush with the surface for a clean, professional finish
- Compatible with both hollow and solid base material installation using a setting tool
- Install with HDIASTH37 setting tool for hollow materials or HDIASTS31-37 for solid materials
Specifications
- Manufacturer: Simpson Strong-Tie
- MPN: HDIA37
- Bolt/Rod Diameter: 3/8 in.
- Length: 1-1/4 in.
- Drill Bit Diameter: 5/8 in.
- Threads Per Inch (TPI): 16
- Shell Material: Die-cast Zamac 3 alloy
- Cone Material: Carbon steel
- Packaging: Packs of 50 and Cartons of 200
- Country of Origin: China
Approved Applications
- Suspending conduit and cable trays from overhead concrete structures
- Attaching pipe supports and hangers to concrete ceilings or walls
- Installing fire sprinkler systems requiring anchored threaded rod
- Mounting suspended lighting fixtures to concrete or masonry
- Anchoring into CMU (concrete masonry units) and hollow-core plank
- Use in solid base materials including brick, normal-weight concrete, and lightweight concrete
Frequently Asked Questions
- What size hole do I need to drill for the Simpson HDIA37 anchor?
- The HDIA37 requires a 5/8-inch diameter drill bit to create the proper hole for installation.
- What rod or bolt size is compatible with the HDIA37?
- The HDIA37 is designed to accept a 3/8-inch diameter threaded rod, with 16 threads per inch (TPI).
- What setting tools are required to install the HDIA37?
- For hollow base materials such as CMU and hollow-core plank, use the HDIASTH37 setting tool. For solid base materials such as brick and concrete, use the HDIASTS31-37 setting tool.
- What base materials is the HDIA37 suitable for?
- The HDIA37 expansion anchor is designed for use in both hollow and solid base materials, including CMU, hollow-core plank, brick, normal-weight concrete, and lightweight concrete.
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
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