Toggle Bolt
3/8" Toggle Bolt (Hollow Wall Anchor) — Complete Specifications
Pilot hole size, embedment depth, torque values, load ratings, and installation guide per ACI 318-19.
Fastener Specification — ACI 318-19
Diameter
3/8"
Pilot Hole Size
1-1/4" (for toggle wings)
Pilot Hole Depth
Through-wall
Embedment Depth
N/A — requires hollow cavity
Torque Value
20 in-lbs
Max Load
450-700 lbs (shear), 200-350 lbs (tension) — depends on wall thickness
Material
Zinc-plated steel
Removable
No (permanent)
Available Lengths
1-1/2", 2", 3", 4"
Substrates: Hollow concrete block (CMU), Hollow brick, Hollow wall
Best for
- Heavy fixtures on hollow CMU
- Wall-mounted equipment on hollow block
- Larger signs on hollow masonry
Not suitable for
- Solid concrete
- Solid masonry
- Applications requiring bolt removal
Installation tips
- 1.Requires a 1-1/4" hole — use a masonry hole saw or SDS hammer with appropriate bit
- 2.Larger toggle means more contact area — significantly higher capacity than 1/4" toggle
- 3.Thread the bolt through your fixture BEFORE inserting the toggle — you cannot add the fixture later
- 4.SNAPTOGGLE 3/8" is a better option if bolt removal may ever be needed
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