Wedge Anchor
3/8" Wedge 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
3/8"
Pilot Hole Depth
Embedment + 1/2" clearance
Embedment Depth
2-1/4" minimum
Torque Value
25 ft-lbs
Max Load
2,800 lbs (tension), 3,200 lbs (shear) in 3000 psi concrete
Material
Zinc-plated steel, Hot-dip galvanized, 316 Stainless steel
Removable
No (permanent)
Available Lengths
2-1/4", 3", 3-1/2", 4", 5", 6"
Substrates: Solid concrete only
Best for
- Structural steel
- Heavy machinery
- Railing posts
- Column base plates
Not suitable for
- Hollow block
- Brick
- Cracked concrete zones
- Near edges without reduction
Installation tips
- 1.Drill the hole the same diameter as the anchor — 3/8" bit for 3/8" anchor
- 2.Minimum 5 diameters from edge (1-7/8") — capacity reduces at tighter spacing
- 3.Minimum concrete thickness: embedment depth + 4× diameter (3.75" for 2-1/4" embed)
- 4.Cannot be removed once set — plan your layout carefully
- 5.Use HDG or stainless for exterior or wet locations
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