ASSY® 3.0 A2 chipboard screw
ASSY 3.0 stainless steel A2 PT raised cntrsnk. AW
SCR-RSDCS-WO-A2-AW20-5X100/52
ASSY 3.0
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A2 stainless steel, partial thread, raised countersunk, AW drive
Joins wood instead of splitting it
Asymmetrical single-start thread — greater speed
- Low screw-in torque
- High over-turning force
- Faster screwing than conventional particle board screws
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
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
- Ring thread: 3.0–4.5 mm
- Mating thread: 5.0–12.0 mm
Material:
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
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 (drilling tip, 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)
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.
ETA-11/0190
When using these screws, please follow ETA-11/0190 specifications.Datasheets(X)
CAD data (available after login)
The ASSY 3.0 A2 made from corrosion-resistant, austenitic stainless steel is designed especially for applications outdoors, in damp rooms and in salty atmospheres
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) | 5 mm |
Length (l) | 100 mm |
Thread type | Wood screw thread |
Thread design | Partial thread |
Thread form | Single start thread |
Thread length (lg) | 52 mm |
Core diameter | 3.2 mm |
Shape of tip | Tip with ring thread |
Angle of the tip | 30 Degree |
Head type | Raised countersunk head |
Head diameter (dh) | 9.6 mm |
Head height (k) | 4.1 mm |
Internal drive | AW20 |
Material | Stainless steel A2 |
Surface | Plain |
Max. screw-in angle | 90 Degree |
Min. screw-in angle | 0 Degree |
Product weight (per item) | 8.170 g |
Suitable for use in the following materials | Board ply wood (BSP) |
Area of application | Façades |
Screw requiring approval | Yes |
Approval | ETA-11/0190 |
RoHS-compliant | Yes |
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