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ASSY® 3.0 SK Wood screw
The ASSY 3.0 SK with washer head and full thread is specifically designed for securing preformed sheet metal parts to wooden structures, e.g. securing pillar supports.
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Variants
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White zinc plated steel, full thread, washer head, AW drive, mating thread tip
- Joins wood without splitting or cracking it
Washer head
- High penetration strength
AW drive - more power
- Optimal force transmission
- Excellent insertion
- Rapid finding
- Screw settles securely
- Virtually no unscrewing of bit
- No wobbling
- No damage to surface coating of screw
Asymmetrical coarse thread pitch for higher speed
- Low screw-in torque
- Full thread for high mechanical strength
- Faster screwing than conventional chipboard screws
Mating thread tip - wood less likely to split, very few blow-outs
- Minimal splitting effect, especially when screwing in near the edge
- Precise positioning
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.
Use Würth's software to measure the ASSY screws with a diameter exceeding 5 mm. The 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 (mating thread, ring thread etc.) in nylon dowels, e.g. Würth ASSY D, prefix 0151 (countersunk head) and prefix 0153 (pan head). When using these screws, the ETA-11/0190 specifications must be observed.
ETA-11/0190
- Screw for securing pillar supports and for mounting preformed sheet metal elements
- Indoor spaces, damp rooms (utilisation class 2)
Screw-in angle 0° to 90°. In coniferous wood or softwood materials, the joint is made without pre-drilling. To reduce the edge distances, the wood can be pre-drilled according to the screw's shank. Hardwood must be pre-drilled in accordance with ETA-11/0190.
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