Hammer Drive Anchor
3/8" Hammer Drive Anchor (Strike 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
Anchor length
Embedment Depth
1" minimum
Torque Value
Drive with hammer — no torque spec
Max Load
450 lbs (shear), 300 lbs (tension)
Material
Zinc-plated steel
Removable
No (permanent)
Available Lengths
1", 1-1/2", 2", 2-1/2"
Substrates: Concrete, Brick, Block
Best for
- Heavier conduit straps
- Masonry clips
- Non-structural equipment pads
- Fast-track light commercial work
Not suitable for
- Structural loads
- Vibrating equipment
- Applications requiring removal or adjustment
Installation tips
- 1.Larger than 1/4" — suitable for heavier conduit and mechanical straps
- 2.Drill depth must match anchor length exactly — too shallow prevents full expansion
- 3.Once driven, anchor cannot be removed without destroying the hole
- 4.Use zinc-plated for interior dry locations only — no corrosion resistance
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