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ASSY® 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 1
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 2
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 3
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 4
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 5
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 6
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 7
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 8
ASSY<SUP>®</SUP> 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head - 9

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ASSY® 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head

Full-thread screw made of high-quality austenitic A2 stainless steel with visually pleasing, rounded raised countersunk head for fastening metal to wood in outdoor areas exposed to the elements

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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


Form-fit connection of the 90° countersunk head to metal fittings with 90° countersinks or in wooden products with high bulk density


  • Visually appealing connections due to lens-shaped, rounded head

  • Pulling together without head milling due to lack of milling elements and head is inserted by pressing


Higher breaking torque


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

  • Better anchoring thanks to higher thread flanks


Smooth thread start ensures optimised recessing and biting of the screw


  • Reduced splitting effect due to displacement effect of the dome-shaped milling elements in the tip

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


Stainless mounting for accessible wood connections in outdoor areas exposed to weathering


  • Made of austenitic, non-magnetic and non-rusting A2 stainless steel

  • Can be used in rural or urban environments or industrial atmospheres without significant exposure to chlorides or SO2

  • With friction-reducing slide coating for easy fastening
Notice
  • Austenitic stainless steel is characterised by a high degree of corrosion resistance against aggressive industrial air, sea air, tap water, river water, mine water and salt water, as well as woods containing tannic acid. It is resistant to acid to a certain extent and not suitable for atmospheres containing chlorine gas

  • We recommend using the Würth software or the corresponding design aids for planning and dimensioning your assembly. Use the Würth timber construction software for dimensioning of ASSY screws from a diameter 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