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EHB DF 2x1.25 TH8 2C 4.8x300 (100p)

Generic code   305721

  • Double thread self-drilling screw 4.8x300 hex head 8, for steel support 2x1.25 mm max - supracoat 2C.
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Applications

  • Fastening of the waterproofing complex on waterproofing support solid steel roofing panels.
  • To be used with the Ø70 aluminium/zinc washer (code 294926) for fixing semi-rigid insulation.
  • To be used with the Ø70 galva washer (code 294721) for fixing semi-rigid insulation.
  • To be used with 82x40R alu/zinc plate (code 294705) for fixing waterproofing (synthetic coating with semi-rigid insulation).

Advantages

  • The combination of EHB DF and a double-thread distribution plate ensures the thread is solid, limits the risks of perforating the waterproof coating and prevents the fastener from becoming unscrewed.
  • Thanks to its drill tip, EHB DF can also be used for peripheral fixing to the upstand overlaps.

Technical characteristics

Type of the screw tip Small tip
With flange True
Flange head diameter 10.5  mm
Type of thread Double hi-thread
Drilling capacity mini 0.75
Pre-drilling Without pre-drilling
Product material 2C Supracoat coated steel
Drilling capacity maxi 2 x 1.25
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 Traditional mechanical installation
Resistance to corrosion 15 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
Length 300  mm
Head height 4.4  mm
Minimum clamping capacity 255  mm
Maximum clamping capacity 280  mm
Length of the threaded part 70  mm
5 features on 24
See all the offer EHB DF 2x1.25 TH8 2C 4.8x300 (100p)

Article codes

Sold by box of 100 pieces

Designation Article codes Color label Quantity
EHB DF 2x1.25 TH8 2C 4.8x300 (100p) 305721000
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Our program of screws and lacquered accessories offers more than 2000 colors for our roofing / cladding / facade applications. Discover the width of our color palette with our lacquering expertise.


Recommendation advice

  • Used with a HH8 screwdriving socket.

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.

Documentations to download

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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