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ISODRILL DF TH/ A4

  • Bi-metal A4 stainless-steel double thread, self-drilling screw, Ø4. 8, steel drill tip, hex head,for steel substrate.
See the 5 generic codes
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Applications

  • Fastening of the waterproofing complex on waterproofing support solid steel roofing panels.

Advantages

  • Head and stainless steel self-tapping body, drill tip and introduction thread made from galvanised case-hardened steel.
  • Can withstand being walked on, with adapted distribution plate or washer.

Technical characteristics

Type of the screw tip Small tip
Type of thread Double hi-thread
Drilling capacity mini 0.75
Pre-drilling Without pre-drilling
Product material Bi-metal (A4 stainless steel / Steel)
Drilling capacity maxi 2 x 1
Head shape Hex. Head
pattern hexagonal TH 8
Laquering Natural head
Solid in step True
Thickness of the flange 1 mm
Type of installation of waterproofing Manual installation
Resistance to corrosion 30 Kesternich cycles
Installation mode Installation with hexagonal screwdriving
Supporting material Full Steel sheet support
Diameter on thread 4,8 mm
Thread pitch 1,59 mm
Head height 4,4 mm
5 features on 18
5 generic codes
Filter:
CP mini
CP maxi
L
CS mini
CS Maxi
Generic code CP mini 
Drilling capacity mini
CP maxi 
Drilling capacity maxi
L  (mm)  
Length
CS mini  (mm)  
Minimum clamping capacity
 CS Maxi  (mm)  
Maximum clamping capacity
304205ISODRILL DF TH8 A4 4.8x80 0.75 2 x 1 80 33 60
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304207ISODRILL DF TH8 A4 4.8x100 0.75 2 x 1 100 53 80
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304208ISODRILL DF TH8 A4 4.8x120 0.75 2 x 1 120 53 100
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304209ISODRILL DF TH8 A4 4.8x140 0.75 2 x 1 140 73 120
See detail
304210ISODRILL DF TH8 A4 4.8x160 0.75 2 x 1 160 93 140
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 generic codes on 

Regulations and approvals

  • In accordance with DTU 43. 3: Roofing work with ribbed steel sheets with waterproof coatings.
  • Evaluation of unscrewing resistance according to the standard NF P 30-317.
  • Conventional test method for step strengh characteristic for fasteners according to the standard NF P 30-317.

Reference sites

Cartier Paris store

The Etanco group's solution was to supply a whole set of mechanically welded stainless steel parts with articulated arms thus enabling the stone to tilt into a lintel. Our BARACO range of anchors as well as our ISOLCO range of brackets have been chosen and supplied for their high resistance to corrosion, which is essential in a large city subject to pollution.

Find out more on the ETANCO Group website

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