Currently stocked out at manufacturer. Call for updated availability and status. Many SPAX SIP fasteners still available. 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"

Trufast panel fasteners heavy duty 8"
Trufast panel fasteners heavy duty 8"

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

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

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