Screw width.
TechFast Sheet to Timber Roofing Screws | 6.3 x 45mm | Elementech | Bag 100
TEK SCREWS FOR WOOD ROOFING BOLTS FIX CORRUGATED SHEET TO TIMBER WITH FREE BIT
Screws Hex Slash Point Silver 6.3x45 Timco Thin Sheet Metal to Timber (100pcs)
Timco Thin Sheet Metal to Timber Screws Hex Slash Point Silver 6.3x60 - 100 Pcs
100 x Coroline Mini 18 Roofing Sheet Nails Pack (Fixings For Five Sheet)
SELF DRILLING TEK SCREWS COUNTERSUNK WINGED WOOD TO METAL FIXINGS ZINC PLATED
