4.5 x 70mm TX20 Hapatec Wood Screw Black Coated (box of 200)
For fixing black facade boards
The Hapatec screw made of hardened stainless steel is a panel fastener, especially for hardwood. The screw has a scraper groove at the screw tip, milling ribs over the thread and a decorative head. The Hapatec is also available in antique and black.
Martensitic stainless steel 1.4006 (C1) (stainless steel according to DIN EN 10088)
50% higher breaking torque than the austenitic stainless steel A2 and A4
Hardened by heat treatment
Can be used in service classes 1 to 3 according to DIN EN 1995 (Eurocode 5)
Limited rust resistance
Not acid resistant
Not suitable for woods with a lot of tannin such as coumarú, oak, merbau, robinia etc.
Not suitable for use in aggressive, salty or chlorine-containing environments
Milling ribs facilitate countersinking in all types of wood
The special screw geometry reduces the risk of the wood splitting
However, pre-drilling is particularly recommended for hardwoods in terrace or facade construction!
Corrosion-resistant up to and including usage class 3 - "freely weathered structures" according to DIN EN 1995 (Eurocode 5)
National and international approval
No hammering of the screws when screwing in thanks to the TX drive