BETOFAST TF Chc 2C 6.6x23
Generic code 283508
- Self-tapping screw 6.6x23, countersunk head Ø12, hexagonal socket4, for concrete with pre-drilling - supracoat 2C.
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Applications
- Fastening of the waterproofing complex on concrete substrates.
- Concrete, brick, block and prefabricated panels (with pre-hole).
- To be used with 82x40R alu/zinc plate (code 294702) for fixing waterproofing (synthetic coating without insulation).
- To be used with the Ø40 galva washer (code 294695) for fixing waterproofing (bituminous coating without insulation).
Advantages
- Installation of the membrane on concrete without insulation.
Technical characteristics
| Head shape |
Coutersunked head |
| Installation mode |
Installation by screwdriving |
| Pattern |
Allen pattern |
| Outside body diameter |
6.6
mm |
| Supporting material |
Concrete |
| Length |
23
mm |
| Product material |
Supracoat 3C |
| Maximum thickness of the element to be fixed |
3 |
| Support drilling diameter |
5
mm |
| Minimum drilling depth |
28 |
| Minimum depth of implementation |
20 |
| Resistance to corrosion |
15 Kesternich cycles |
| Maximum clamping capacity |
3
mm |
| Anchoring depth |
20
mm |
| Diameter of the head |
12
mm |
| Diameter on thread |
6.6
mm |
| Head height |
3
mm |
| Length of the threaded part |
20
mm |
| Thread pitch |
3.38
mm |
| Laquering |
Natural head |
5 features on 20
Sold by bag of 100 pieces
| Designation | Article codes | Color label | Quantity |
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.
- Anchoring depth (PA) in the support: 20 mm minimum / 35 mm maximum. Predrilling depth (h1) in the support: PA + 30 mm. Tightening capacity (CS): Screw length - PA + 5 mm. Used with a HH8 screwdriving socket.
- In accordance with DTU 43. 1: Waterproofing work on flat roofs on masonry.
Interested in this product ?
Contact us