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ASSY® 4 COMBI timber screw Zinc flake surface full-thread hexagon head
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 1
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 2
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 3
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 4
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 5
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 6
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 7
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 8
ASSY<SUP>®</SUP> 4 COMBI timber screw Zinc flake surface full-thread hexagon head - 9

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ASSY® 4 COMBI timber screw Zinc flake surface full-thread hexagon head

Powerful full-thread screw with shank reinforcement for wood-wood mountings with washer, or precise 90° metal-wood mountings in wood construction in outdoor areas

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Available in 4 version

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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, 1 bit for many screw diameters

  • Compatibility with previous AW drive


Precise fit in metal and very high power transmission combined with variably selectable drive types


  • Shank reinforcement integrated on the underside

  • Combination of hexagon and RW drive


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


  • Less splitting when countersinking 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


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


  • Low gap 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

ETA-11/0190 approved

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