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ASSY®plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 1
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 2
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 3
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 4
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 5
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 6
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 7
ASSY<SUP>®</SUP>plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head  - 8

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ASSY®plus 4 A2 TH SPECIAL A2 stainless steel, vintage, partial thread, top head

Special partial-thread screw made of high-quality, austenitic A2 stainless steel with small top head and milling ribs for gap-free fastening close to edges of delicate glass strips or skirting boards in outdoor areas constantly exposed to weathering

  • Nominal diameter: 5.5 mm
  • Length: 50 mm
  • Thread length (lg): 23 mm
  • Screw-thread length with drill tip (b): 27.2 mm
  • Head type: Top head
  • Head diameter: 7.6 mm
  • Head height: 4.7 mm
  • Internal drive: RW20
  • Thread type: Wood screw thread
  • Thread design: Partial thread
  • Core diameter: 3.2 mm
  • Shape of tip: Drilling tip
  • Material: Stainless steel A2
  • Surface: Burnished
  • Max. screw-in angle: 90 Degree
  • Min. screw-in angle: 45 Degree
  • Suitable for use in the following materials: Board ply wood (BSP), Wood, Derived timber product, Hardwood, LVL, Softwood
  • Area of application: Outdoors, Balcony, Façades, Wet areas, Play equipment, Board walk, Terrace, Fence
  • Product weight (per item): 5.400 g
  • RoHS-compliant: Yes

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Art.-no. Nominal diameter Length Thread length (lg) Screw-thread length with drill tip (b) Quantity PU
price/PU
016675551
5.5 mm 50 mm 23 mm 27.2 mm
1000 pcs

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The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
VVVVAAABBB
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076

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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


Precise positioning and very clean drilling due to advanced centring drill tip


  • Positioning and drilling without chipping

  • Maximum drilling performance and precise drilling process through drilling cutting edges (similar to Forstner bit)

  • Precise positioning on hard surfaces without slipping thanks to centring pin

  • Quick fastening due to gentle start of thread


Easy countersinking in softwoods and hardwoods


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

  • High milling power and chip collection for clean countersinking of the head in soft wood/hard wood

  • For universal use in wood and metal connections due to milling pockets integrated in the countersunk head

  • Can be combined with 90° metal countersink


Maximum reliability of the screw connection


  • Asymmetrical single thread

  • Through optimal matching of drill tip and thread geometry

  • Excellent anchoring in wood due to asymmetrical arrangement of thread flanks


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
  • 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 (tip with milling ribs, drill tip, self-clearing groove etc.), such as the ASSY D screws with countersunk head or pan head