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ASSY®plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 1
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 2
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 3
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 4
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 5
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 6
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 7
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 8
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 9
ASSY<SUP>®</SUP>plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head - 10

For detailed information, other images and documents, please select individual articles from the following table.

ASSY®plus 4 CS universal screw Hardened zinc-plated steel full thread countersunk head

Special full threaded screw with raised countersunk head and restraining ribs for gap-free fastening close to edges. For mounting of metal fittings to timber windows without pre-drilling the wood.

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Available in 16 versions

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Ideal power transmission thanks to RW drive


  • More power due to larger contact area at the bit

  • More stability, one-handed working, precise positioning due to the tight-fit recess and perfect fit of the bit

  • Fewer bit changes, one bit for many screw diameters

  • Compatibility with previous AW drive


Precise positioning and very clean drilling due to advanced centring drill tip


  • Positioning and drilling without chipping

  • Maximum drilling performance and precise drilling process through drilling cutting edges (similar to Forstner bits)

  • Precise positioning on hard surfaces without slipping thanks to centring pin

  • Quick screwing due to gentle start of thread


Form-fitting connection to metal fittings or in wooden products with high bulk density


  • For fitting connection with full-thread steel screws

  • Perfect fit of 90° head in fitting parts with metal countersinks

  • Pulls together without head milling due to lack of milling elements below the head

  • The head is inserted by pressing


Maximum reliability of the screw connection due to asymmetrical single thread


  • Optimal matching of drill tip and thread geometry

  • Excellent anchoring in wood due to asymmetrical arrangement of thread flanks
Notice
  • Do not use the screw in applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas. Please use ASSYplus 4 stainless steel screws for outdoor applications and rooms with constant high humidity

  • We recommend using the Würth software or the corresponding design aids for planning and dimensioning your assembly. Dimensions of the ASSY screws can be carried out in the Würth timber construction software from a ∅ of 5 mm

  • ASSY 4, ASSYplus 4 and ASSYplus 4 FT chipboard screws are optimised for use in wood and wood materials. For applications in plastic anchors where load capacity can also be reduced, use only screws without an optimised thread tip (tip with milling ribs, drill tip, self-clearing groove etc.), such as the ASSY D screws with countersunk head or pan head

ETA-11/0190 approved

The requirements of the European Technical Approval (ETA) must be observed.