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  3. Cobra® 20 – 24 deck hidden fasteners

Cobra® 20 – 24 deck hidden fasteners

The most effective solution for fastening your decking boards.

Quick installation
AISI304 stainless steel
UV-resistant
clip pour fixation invisible sur terrasse bois
Features
  • Removable clip
  • Stainless steel clip AISI304 (90 pcs)
  • Screw 4.5x25mm in stainless steel AISI410 (90pcs)
  • Color matte black for no light reflection
  • Resistant to UV and extreme temperatures
  • Pulling strength up to 250 kg on hardwood joists

Cobra® concept

Developed by a team of specialist wood engineers, the Cobra® fastening system is the result of several years of research and constant improvement.  It was originally designed to provide a reliable fastening solution for composite decking boards while minimising board movement and expansion.  

Cobra® hooks located on the each side of the clip prevent decking boards movements, and hold strongly the board on the joist.  

Thanks to the Cobra® clips, no more visible screw heads that are often misaligned and can be dangerous when walking barefoot on the deck. 

 

Material
Clip: AISI304 stainless steel (A2)
Screw: AISI410 stainless steel (C1)
Dimensions
Screw : M4.5 x 25 mm, for wood joists
Content (1 bag)
90 clips
90 screws
1 Square bit
Coverage
One bag covers between 3.5m² and 5m² depending on joists span
schéma de pose du clip cobra 20 24

2 Available sizes

 

  • Cobra®20 are suitable for 20 to 22mm thick deck boards
  • Cobra®24 are suitable for 24 to 26mm thick deck boards

Optional : Start/End clip

The Start/End clips could be used to fix the outer boards of the deck. It helps to achieve a aesthetic finish of the deck

courbe technique de résistance

Pull-out test result

Mechanical tests show a pull-out resistance of 260kg and a shear resistance of 650kg when installed on hradwood joists

 

Use of Cobra clips

The COBRA 20-24 clips are compatible with composite and stable heat treated wood decking boards. 

Decking

Composite Wood

Thermo-modified wood

Softwood

Exotic wood

Use

-

-

 

Dimensions (mm)

Clip model

A

B

C

D

X

Y

Z

Cobra 20

25

22

8

6

8

4 min

10 min

Cobra 24

25

22

10

6

10

4 min

10 min

 

Quick and easy installation of the Cobra® 20-24 clip

No specific accessories are required for installation with the COBRA 20-24 clip, so you can save 30% in build time compared to a screw-in deck.

A single, self-drilling screw is used per clip, so a simple screwdriver head (supplied with clips and screws) is all you need to attach the Cobra® fastener to the joists.  

installation du clip invisible pour terrasse bois

Cobra clip is removable !

A special long bit for screwing (or unscrewing) between boards is included in each pack.  This is a major advantage when replacing a damaged board or accessing cables under your decking without having to remove the entire deck.

Unscrew

1 - Unscrew the clips

2 – Slide the clips to the next board

Replace

3 – Remove the damaged board

4 – Position the new board

Screw

5 - Position back the clips

6 – Screw to hold the new board

Pack content

Cobra® 20-24 clips are sold in bags of 90 clips, to cover approximately 4.5m2, with a 40 cm span distance between the joists.

 

Technical documents

  • Product sheet – Cobra 20-24 clips.pdf
  • COBRA-CATA2021-GB.pdf

Discover also

DECK STRUCTURES
DECK TOOLS
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