ASSY® 3.0 chipboard screw with head recess
ASSY 3.0 steel zinc plated AW with head recess
SCR-CS-MPK-WO-HDH-AW20-(A3K)-4,5X55/32
ASSY 3.0
Register now and access more than 125,000 products
Connects the wood instead of splitting it!
Milling pockets — countersink anywhere
- Suitable for wood and fittings
- Minimum damage to coated wood materials
- Less chips on the surface
Asymmetric thread — faster speed
- Low screw-in torque
- High over-turning force
- Faster screwing in than conventional chipboard screws
AW drive — more power
- Optimum transmission of forces
- Very good snug fit
- Fast location
- Screw locates securely
- Almost no unscrewing of the bit
- No wobbling
- No damage to surface coating of screw
- Only 5 bit sizes for the diameters 3.0 to 12.0 mm
Ring/mating thread — less tendency of the wood to split, very few blow-outs
- Minimal splitting forces, especially when screwing in at edges
- Reduction of the screw-in torque
- Blow-outs are avoided to a high degree thanks to the punching effect of the ring thread
- 3.0–4.5 mm diameter = ring thread
- 5.0–12.0 mm diameter = mating thread
Head access hole
Suitable for cover caps with 2.5 mm stud diameter
The screws are not suitable for outdoor use and for rooms subject to short-term or continuously high moisture levels! Please use ASSY 3.0 A2 stainless steel screws in these cases. The surface coatings of nickel and brass are suitable for decorative purposes only = no corrosion protection!
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 number 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.
ETA-11/0190
When using these screws, the ETA-11/0190 specifications must be observed.
Datasheets(X)
CAD data (available after login)
For screwing elements made of wood and wooden materials in shop construction, furniture construction and interior finishing applications
 | |
Nominal diameter (d) | 4.5 mm |
Length (l) | 55 mm |
Thread length (lg) | 33 mm |
Head type | Countersunk head |
Head details | Milling pockets |
Head access hole | Yes |
Head access hole diameter | 2.5 mm |
Head diameter (dh) | 8.65 mm |
Head height (k) | 2.45 mm |
Internal drive | AW20 |
Thread type | Wood screw thread |
Thread design | Partial thread |
Thread form | Double start thread |
Core diameter | 2.7 mm |
Shape of tip | Tip with ring thread |
Angle of the tip | 20 Degree |
Material | Hardened steel |
Surface | Zinc plated |
Colour | Silver |
Min./max. screw-in angle | 0-90 Degree |
Suitable for use in the following materials | Board ply wood (BSP), Wood, Derived timber product, Hardwood, LVL, Softwood |
Area of application | Furniture, Body |
Additional accessory | Cover cap |
Screw requiring approval | Yes |
Approval | ETA-11/0190 |
RoHS-compliant | Yes |
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!
Last viewed
Reducible mud flap
Sealed grommet TPE
Work trousers
Flat washer without chamfer ISO 7089 A2 stainless steel, 200 HV
GIS standard washbasin installation box 150 mm
HSCo Multi Performance machine tap for blind holes DIN 371/376
Hexagonal bolt with shank DIN 931, steel 5.6, zinc-plated, blue passivated (A2K)
Hexagonal bolt with shank
Work trousers
Cordless LED work lamp MINI MULTI