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

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ASSY®plus 4 CSMP SPECIAL universal screw Hardened zinc-plated steel partial thread countersunk head

Universal partial thread with countersunk head with milling pockets. Suitable for gap-free attachment close to edges without pre-drilling of wood-wood connections in indoor dry or sheltered areas.

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Available in 13 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


Small edge distances


  • Drilling in locations with small permissible edge distances (3xd) is possible thanks to a wedge-shaped drill tip with parallel cutting edges

  • Assembly without gaps

  • The wood does not split and rupture

  • Little run-off of long screws


Clean countersinking in softwood or wood material


  • Easy countersinking of screw head in wood thanks to optimised milling pockets

  • No chipping in coated chipboards due to improved milling effect and increased number of milling pockets up to ∅ 4.5 mm

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


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.