MESA Self-drilling Countersunk Black 4 x 30 mm screws

These countersunk Tek screws have been perfectly designed to work with Hyperion Decking 6mm fasteners when installing on MESA Support aluminium bearers.

• Countersunk black stainless steel screws - Box of 100
• To be used for aluminium bearers
• 6mm head, 4mm thread, 30mm length
• 30mm screws do not work with 20x50mm aluminium bearers and:

1. Hyperion Decking starter fasteners
2. Hyperion Decking 3mm fasteners
3. Hyperion Cladding Sentinel fasteners