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ASSY® 3.0 A2 Particle board screw
ASSY<SUP>®</SUP> 3.0 A2 Particle board screw - 1
ASSY<SUP>®</SUP> 3.0 A2 Particle board screw - 2
ASSY<SUP>®</SUP> 3.0 A2 Particle board screw - 3

The images are examples. For detailed information, other images and documents, please select individual articles from the following table.

ASSY® 3.0 A2 Particle board screw

Universal for fixing fences, balconies, walkways, play equipment in permanently exposed outdoor environments.

  • Head type: Countersunk milling pocket head
  • Head details: Milling pockets
  • Thread type: Wood screw thread
  • Thread design: Partial thread
  • Thread format: Single thread
  • Material: Stainless steel A2
  • Surface: Plain
  • Min./max. screw-in angle: 0-90 Degree
  • Screw requiring approval: Yes
  • Approval: ETA-11/0190
  • RoHS-compliant: Yes

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You can refine your search by selecting different attributes

Art.-no. Nominal diameter Length Head diameter Head height Quantity PU
8 mm 160 mm 15 mm 4.6 mm
75 pcs
8 mm 180 mm 15 mm 4.6 mm
75 pcs
8 mm 240 mm 15 mm 4.6 mm
75 pcs
8 mm 200 mm 15 mm 4.6 mm
75 pcs
8 mm 280 mm 15 mm 4.6 mm
75 pcs
8 mm 140 mm 15 mm 4.6 mm
75 pcs
8 mm 100 mm 15 mm 4.6 mm
75 pcs
8 mm 120 mm 15 mm 4.6 mm
75 pcs
8 mm 80 mm 15 mm 4.6 mm
75 pcs
6 mm 60 mm 12 mm 4.4 mm
100 pcs
6 mm 120 mm 12 mm 4.4 mm
100 pcs
6 mm 80 mm 12 mm 4.4 mm
100 pcs
6 mm 140 mm 12 mm 4.4 mm
100 pcs
6 mm 100 mm 12 mm 4.4 mm
100 pcs

Packaging unit

The packaging unit defines the number of articles in one packaging. In the catalog segment you can choose from different packaging units if a pop-up menu is displayed.

Just leave the field empty if you don't know the packaging unit when directly entering the article number in the shopping basket or when importing with Easy-/VarioScan. The packaging unit will be determined automatically.

Structure of our article number

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:
00574 10 (2 spaces between the 4 and the 10)

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

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

Information on price and image display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
The price always applies to a quantity ruled through the price key:
Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.

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Galvanised steel A2, partial thread, countersunk milling head, AW drive

Joins wood instead of splitting it

Milling pockets – for countersinking wherever you are!

  • Suitable for wood and fittings

  • Minimum damage to coated wood materials

  • Fewer chips on the surface

Shank milling cutter – the "auxiliary motor" for low force

  • Reduction of the screw-in and head countersinking torque, especially with long screws

  • Gentle on your tools

  • From Ø = 5 mm, L = 70 mm

Asymmetric thread – faster speed, higher tensile strength

  • Low screw-in torque

  • High over-turning force

  • Faster screwing than conventional particle board screws

  • Coarse thread: 5.0–12.0 mm

AW drive — more power

  • Optimal force transmission

  • Excellent fit

  • Rapid finding

  • Screw settles securely

  • Virtually no unscrewing of bit

  • No wobbling

  • No damage to surface coating of screw

  • Only 5 bit sizes for diameters 3.0 to 12.0 mm

Ring thread — less tendency of the wood to split, very few blow-outs

  • Low splitting forces, in particular when screwing close to edges

  • Reduction of screw-in torque

  • Punch effect of ring thread largely prevents blow-outs

  • Counter thread: 5.0-12.0 mm


Corrosion-resistant, austenitic stainless steel (1.4301; 1.4567)


Pre-drilling to the core diameter in solid hard woods

ASSY 3.0 A2 are resistant to acid to a limited extent and are not suitable for use in atmospheres containing chlorine gas. Use Würth timber construction software to measure ASSY screws with a diameter of more than 5 mm.

To attach metals to wood, machine a precise cut-out in the metal tab.

ASSY 3.0 chipboard screws are optimised for use in wooden materials. Use in plastic anchors may cause a reduction in the load-bearing capacity. Therefore, we recommend only using screws without optimised thread tips (drill tip, mating thread, ring thread, serrated edge, self-clearing groove etc.) in plastic anchors, e.g. Würth ASSY D, prefix number 0151 (countersunk head) and prefix 0153 (pan head).

The range of applications of the various stainless steels is detailed in the following table issued by the ISER (German Information Office for Rustproof Stainless Steel, Non-Rusting Steels for Various Environmental Conditions, www.edelstahl-rostfrei.de, Information Sheet 828). Rustproof stainless steels (e.g. material no. 1.4016) are recommended in terms of atmospheric conditions only for use in a rural environment, and in this respect only subject to significant restrictions. We therefore recommend only using austenitic stainless steels for outdoor applications, taking the environmental conditions into account. Stainless steel A4 is especially suitable for use in an industrial atmosphere and for use near the sea.

Available work documents:

Timber dimensioning software, load tables and detailed processing instructions can be found on the service page www.wuerth.de/assy.