ASSY 3.0 steel zinc plated PT cs milling pocket AW
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Zinc-plated steel, blue passivated, partial thread, countersunk milling pocket head, AW drive
Connects the wood instead of splitting it
Milling pockets – countersink anywhere
End mill – the "auxiliary motor" for lower force
Asymmetric thread – faster speed
AW drive — more power
Ring/mating thread — less tendency of the wood to split, very few blow-outs
The screws are not suitable for outdoor use and for rooms subject to short-term or continuous high moisture levels! Please use ASSY® 3.0 A2 stainless steel screws in these cases.
To attach metals to wood, machine a precise cutout in the metal tab.
ASSY 3.0 chipboard screws are optimised for use in wooden materials. When used in plastic anchors, a reduction of the load-bearing capacity is possible. Therefore, we recommend only using screws without optimised thread tips (drill bit, mating thread, ring thread, serrated edge, self-clearing groove, etc.) in plastic dowels, e.g. Würth ASSY D, prefix 0151 (countersunk head) and prefix 0153 (pan head).
Available work documents:
Timber dimensioning software, load tables and detailed processing instructions can be found on the service page www.wuerth.de/assy.
When using these screws, please follow ETA-11/0190 specifications.
Catalogue page as PDF 1
For coniferous wood or wood-based materials made from softwood, make the fitting without a bradawl. To reduce the edge distances make a predrilled hole according to the core diameter.
When screwing into hardwood, drill according to ETA-11/0190.
Nominal diameter (d)
Thread length (lg)
Head diameter (dh)
Head height (k)
Wood screw thread
End milling cutter
Shape of tip
Tip with counter thread
Angle of the tip
Min./max. screw-in angle
Suitable for use in the following materials
Board ply wood (BSP)
Area of application
On rafter insulation
Screw requiring approval