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ASSY® 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 1
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 2
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 3
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 4
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 5
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 6
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 7
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 8
ASSY<SUP>®</SUP> 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets - 9

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ASSY® 4 CSMP universal screw Steel zinc flake full thread countersunk head with milling pockets

Universal full-thread screw for fast, gap-free fastening of wood-wood connections in wooden construction at C4 atmospheres in outdoor areas

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Ideal power transmission thanks to RW drive


  • More power due to larger contact area at the bit

  • More stability and precise positioning due to perfect fit of the bit in the screw drive

  • One-handed work and excellent support when positioning due to tight-fit recess

  • Fewer bit changes thanks to wide coverage of applications by just one bit

  • Compatibility with previous AW drive


Significant reduction in the amount of force required when screwing in the screw


  • Less splitting when immersing the shank due to the displacement milling effect of the milling shank

  • Minimised risk of screw breakage due to high breaking torque

  • Reduced risk of injury from protruding metal chips due to the integration of the milling shank into the thread

  • High protection of the application tools


Maximum overtightening safety with high feed performance


  • Higher power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry of the coarse thread

  • Better anchoring depth due to increased thread flank


Smooth thread start ensures optimised recessing and biting of the screw


  • Low gap effect due to the displacement effect of the dome-shaped milling elements, which are in the opposite direction to the tip with milling ribs

  • Friction-reduced thread rotation allows reduction of the screw-in force to be applied


High strength values and ductility


  • Adjusted heat treatment guarantees high strength values and high ductility
Notice
  • We recommend using the Würth software or the corresponding design aids for planning and dimensioning your assembly. ASSY screws can be dimensioned 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 (coupling cutter tip, 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