Lag Shield
3/8" 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
3/8"
Pilot Hole Size
5/8"
Pilot Hole Depth
1-5/8" (short) / 2-1/4" (long)
Embedment Depth
1-1/4" (short) / 2" (long)
Torque Value
Hand-tight + 1/4 turn
Max Load
600 lbs (tension), 800 lbs (shear)
Material
Zinc-plated lead alloy
Removable
Yes
Available Lengths
Short (1-1/4"), Long (2")
Substrates: Concrete, Brick, Solid block
Best for
- Deck ledger boards
- Heavy wood framing to concrete
- Gate post anchoring
- Pergola post bases
Not suitable for
- Hollow block
- High seismic zones
- Structural column bases
Installation tips
- 1.Drill a 5/8" hole for a 3/8" lag shield — correct oversize is critical
- 2.Tap shield flush with or slightly below the surface with a hammer
- 3.Drive a 3/8" lag screw to expand — stop when resistance increases significantly
- 4.Long shields recommended for older or softer concrete and brick
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