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ASSY® 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 1
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 2
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 3
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 4
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 5
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 6
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 7
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 8
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 9
ASSY<SUP>®</SUP> 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head - 10

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ASSY® 4 SCS piano hinge screw Steel brass-plated full thread small countersunk head

Full-thread screw with small countersunk head for fixing piano hinges in wood in indoor dry or sheltered areas

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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


Strong fastening of thin sheet metals, such as rod hinges or piano hinges


  • Low head height and small head diameter


No over-tightening or stripping and high feed


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


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. Use the Würth timber construction software for dimensioning of ASSY screws from a diameter of 5 mm

  • Do not use the screw in applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas. If used outdoors and in rooms that are constantly exposed to high humidity, please use ASSY 4 A2 or A4 stainless steel screws and, if atmosphere contains chlorine, HCR stainless steel screws

  • 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