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Appropriate nail length
The appropriate nail intrusion length to be drive into concrete is .472" – .866" (12 mm – 22 mm) for nailing wooden
materials, and .570" – .787" (15 mm – 20 mm) for nailing thin steel sheet.
Longer nails results in the nails bending.
Select the appropriate length for the materials according to the following table.
Purpose
To nail wood to concrete
To nail thin steel to concrete
Type of nail
L
d × L
.102" × 1-3/16"
Wood
(2.6 mm × 30 mm)
.102" × 1-3/8"
(2.6 mm × 35 mm)
.102" × 1-9/16"
(2.6 mm × 40 mm)
Choose nail to secure approx. .590" – 787" (15 mm – 20 mm)
intrusion depth.
Example
thickness
.393" (10 mm)
.590" (15 mm)
.787" (20 mm)
.102" × 19/32"
(2.6 mm × 15 mm)
.102" × 25/32"
(2.6 mm × 20 mm)
.102" × 1"
(2.6 mm × 25 mm)
Choose nail to secure approx. .472" – .866" (12 mm – 20 mm)
intrusion depth.
— 12 —
Nail length
Approx. .315" (8 mm) countersink.
Concrete
Wood
Appropriate
nail length
1-3/16" (30 mm)
1-3/8" (35 mm)
1-9/16" (40 mm)
Thin steel sheet
Concrete
Intrusion depth
into concrete
Intrusion depth into
concrete
Approx. .787" (20 mm)
Approx. .787" (20 mm)
Approx. .787" (20 mm)
Intrusion depth
into concrete