For Sip application where you need to penetrate metal rated up to 1/4" steel

Trufast panel fasteners heavy duty 6"
Trufast panel fasteners heavy duty 6"

$412.16
Trufast panel fasteners heavy duty 8"
Trufast panel fasteners heavy duty 8"

$312.94
Trufast panel fasteners heavy duty 9 3/4"
Trufast panel fasteners heavy duty 9 3/4"

$334.70
Trufast panel fasteners heavy duty 11 3/4"
Trufast panel fasteners heavy duty 11 3/4"

$365.64
Trufast panel fasteners heavy duty 13 3/4"
Trufast panel fasteners heavy duty 13 3/4"

$420.60