Lag Shield
1/2" Lag Shield 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
1/2"
Pilot Hole Size
7/8"
Pilot Hole Depth
2" (short) / 3" (long)
Embedment Depth
1-1/2" (short) / 2-1/2" (long)
Torque Value
Hand-tight + 1/4 turn
Max Load
1,000 lbs (tension), 1,300 lbs (shear)
Material
Zinc-plated lead alloy
Removable
Yes
Available Lengths
Short (1-1/2"), Long (2-1/2")
Substrates: Concrete, Brick, Solid block
Best for
- Heavy structural wood connections
- Large deck ledger boards
- Timber post bases on concrete
Not suitable for
- Hollow block
- Structural engineer-required connections without review
- High seismic zones
Installation tips
- 1.Requires 7/8" hole — use a rotary hammer for clean results
- 2.Long shields strongly recommended in anything but new high-strength concrete
- 3.Always use a 1/2" lag bolt or hex bolt to expand the shield
- 4.Removable and reusable — lag bolt can be removed and reinstalled
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