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Cobra inox screws for aluminium joist A4 5,5x50mm (200pcs)

AISI316 stainless steel screw for 23 to 28 mm thick wood decking fixed to an aluminium joist. Narrow, stepped screw head to reduce splintering of the wood. Low-profile, perfectly countersunk head for optimum press fit. Self-drilling tip. Fins break when they enter the aluminium. Drills into aluminium up to 3 mm. No rising of the board when screwed into the joist. Metal suitable for areas highly exposed to salty environments.
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Product highlights

  • Brittle fins in aluminium
  • Stainless steel A4 (AISI 316)
  • Narrow stepped head
  • Narrow stepped head

Environmental information

Lifetime> 20 years
Carbon emissions (kg)9.295
Recycled material (%)0 %
Recycled materialsStainless steel
Natural material (%)0 %


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