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Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 1 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 2 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 3 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 4 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 5 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 6 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 7 Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 8
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 1
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 2
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 3
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 4
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 5
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 6
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 7
Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4 - 8

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Wood screws ASSYplus® 4 SCRS Partial thread with lens sink head and drill tip, acid-proof A4

Partial thread wood screw with lens sink head and drill tip for wood to wood connections. Especially suitable for fitting decking boards and cladding. Acid-proof A4, for use in very corrosive environments.

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New patented slot RW with optimised fit for higher force transfers


  • Greater contact surface for more force

  • Optimised fit gives more stability and precise positioning of the screw and also enables single-handed fitting

  • Two bits sizes cover more than 80 % of the ASSY range, so regular changes of bits is avoided

  • Compatible with AW® and TX


No over-screwing and high screw insertion speed


  • The screws’ newly developed asymmetric thread geometry ensures high force transfer


Newly developed thread geometry ensures that the screws grip immediately


  • The screws’ drill tip cuts fibre efficiently and prevents crack formation, and enables fitting close to edges without having to pre-drill

  • The screws’ thread geometry helps the screws to work easier and reduces screw insertion torque


Acid resistant steel A4 for use in highly corrosive environments


  • Austenitic stainless steel A4 for use in corrosive environments with high levels of humidity and air pollution. Approved for use in corrosion class C5-M
Notice
  • For dimensioning we recommend using Würth Technical Software. The dimensioning application is flexible in use, and deals with various fitting situations, and always follows the current dimensioning standards according to ETA 11/0190 and EN 1995-1-1. The application can be downloaded free of charge from our websites.

  • Screws that are electrolytically galvanised are not suitable for use in corrosive environments or in areas that are directly exposed to humidity. For use in more corrosive environments with high humidity levels or air pollution, we recommend stainless steel A2 or acid-proof A4. If screws will be exposed to chlorine gas, etc., screws of HCR quality must be used.

  • ASSY 4 is optimised for use in solid wood or various types of wooden materials. When screws are combined with use of plastic or nylon plugs, screws with drill tips or routing are not suitable for use.