Bi Metallic Hex Head Screws - 5.5 x 40 x 8mm Paint Finish:Chameleon Body Material Bi Metallic Stainless

Body Material Bi Metallic Stainless Steel Head Type Low Profile Box Quantity 100 Diameter 5

Carpentry workshops

9mm Length 35mm Head Recess T20 ECT N/A ESL N/A

Concentric drilling is essential to allow facade panels to thermally expand and contract freely without placing undue strain on the rivets

9mm (diameter) drill bit and is suitable for drilling through metal substrates behind the panel

Bi Metallic Hex Head Screws - 5.5 x 40 x 8mm Paint Finish:Chameleon Body Material Bi Metallic StainlessFor fixing profiled roofing and cladding sheets and Aluminum roofing and cladding sheets to hot rolled steel sections 4. 0 to 12. mm in thickness. Comes with S16 washer. Technical Specifications: Body Material Bi Metallic Stainless Steel Head Type Low Profile Box Quantity 100 Diameter 5. 5mm Length 40mm Head 8mm ECT 4 14mm