Product Description
The Simpson ABL Anchor Bolt Locator with 1/2 in. Nut is engineered for the accurate and secure placement of anchor bolts on concrete-deck forms prior to concrete placement. The structural heavy-hex nut is attached to a pre-formed steel "chair," eliminating the need for an additional nut on the bottom of the anchor bolt - simplifying setup and ensuring consistent, reliable positioning before every pour.
Key Features
- Designed for optimum concrete flow - the chair geometry allows concrete to move freely around the assembly, reducing voids and helping ensure a sound pour around each anchor bolt
- Installs with (2) nails or (2) screws - quick, tool-friendly attachment to the form keeps the locator firmly in place before concrete placement without complicated hardware
- Provides 1 in. standoff (clear cover) for anchor bolts - maintains the correct embedment depth and code-required concrete coverage automatically, removing guesswork from bolt positioning
- Accepts 1/2 in. anchor rod diameter - sized precisely for 1/2 in. anchor bolts so the fit is snug and the bolt stays plumb throughout the pour
- Heavy hex nut made from uncoated steel - the structural nut is attached to the chair, so no secondary bottom nut is needed, saving time and reducing parts on the job
- Chair finished in Galvanized (G90) - the corrosion-resistant chair finish holds up to the wet, alkaline environment of fresh concrete
- Available for anchor rod diameters from 1/2 in. to 1-1/4 in. - the ABL product line scales with your project requirements so you can standardize on one trusted system across multiple bolt sizes
Why This Product
- Eliminates a step and a part - because the heavy-hex nut is already attached to the pre-formed steel chair, there is no need to thread and position a separate bottom nut, cutting installation time and reducing the chance of a missed or misaligned component before the pour
- Built-in 1 in. clear cover, every time - the fixed standoff height positions each anchor bolt at a consistent depth automatically, supporting code compliance and removing the variability that comes with manual bolt placement on concrete-deck forms
- Chair geometry works with the pour, not against it - the form factor is specifically designed for optimum concrete flow, helping contractors avoid air pockets or weak spots around foundation anchor bolts
- Electro-galvanized versions available for HDG anchor bolt applications - when the project calls for hot-dip galvanized anchor bolts, a compatible electro-galvanized model is available, so the locator and the bolt finish can be matched without compromise
Specifications
- MPN: ABL4-1
- Bolt/Rod Diameter: 1/2 in.
- Standoff Height: 1 in.
- Nut Type: Heavy hex
- Nut Finish: Uncoated steel
- Chair Finish: Galvanized (G90)
- Installation Fasteners: (2) nails or (2) screws (sold separately)
- Country of Origin: United States
Note: Product dimensions may differ from picture. Please see item description for specifications.
Frequently Asked Questions
What is the purpose of the ABL4-1 anchor bolt locator?
The ABL4-1 enables the accurate and secure placement of anchor bolts on concrete-deck forms prior to concrete placement, ensuring bolts are properly positioned and held in place before the pour.
Does the ABL4-1 require an additional nut on the bottom of the anchor bolt?
No. The structural heavy-hex nut is attached to a pre-formed steel "chair," which eliminates the need for an additional nut on the bottom of the anchor bolt.
How is the ABL4-1 installed onto the form?
The ABL4-1 installs with (2) nails or (2) screws, securing it firmly to the concrete-deck form before concrete placement.
Is the ABL4-1 compatible with HDG (hot-dip galvanized) anchor bolts?
Electro-galvanized versions are available for use with HDG anchor bolts. The ABL4-1 features an uncoated steel heavy-hex nut and a G90 galvanized chair; for HDG anchor bolt applications, refer to the appropriate electro-galvanized model.
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