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"

$347.88
Trufast panel fasteners heavy duty 8"
Trufast panel fasteners heavy duty 8"

$264.16
Trufast panel fasteners heavy duty 9 3/4"
Trufast panel fasteners heavy duty 9 3/4"

$282.50
Trufast panel fasteners heavy duty 11 3/4"
Trufast panel fasteners heavy duty 11 3/4"

$308.62
Trufast panel fasteners heavy duty 13 3/4"
Trufast panel fasteners heavy duty 13 3/4"

$355.04