ASSY 4 Combi Timber Screw Hexagon Head Zinc Plated 40mm Wurth
Wurth ASSY Combi Timber Screw Hexagon Head Zinc features 6mm and 40mm length. Ideal power transmission thanks to RW drive. Ideal for element construction.
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- Nominal diameter: 6 mm
- Length: 40 mm
- Head type: Hexagon head
- Head height: 3 mm
- External drive: WS9
- Internal drive: RW25
- Thread type: Wood screw thread
- Thread design: Partial thread
- Design: With shaft
- Thread form: Coarse thread
- Thread length: 24 mm
- Material: Hardened steel
- Surface: Zinc plated
- Suitable materials: Wood, Derived timber product, Softwood, Board ply wood (BSP), Hardwood, LVL
- Core diameter: 3.9 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 34 degrees
- Max screw-in angle: 90 degrees
- Min screw-in angle: 0 degrees
- RoHS-compliant: Yes
- Approval: ETA-11/0190
- Dimensions (H x L x W): 3mm x 40mm x 6mm
- Weight: 0.15 kg
- Powerful partial-thread screw with shank reinforcement for wood-wood fastening with washer or precise 90° metal-wood fastening
- Ideal power transmission thanks to RW drive
- Larger contact area at the bit for more power
- Tight-fit recess and perfect bit fit for stability, one-handed working, and precise positioning
- Compatibility with previous AW drive
- Combination of hexagon and RW drive reduces force required when fastening
- Reduced risk of splitting due to displacement milling effect of the milling shank
- Minimized risk of screw breakage due to high breaking torque
- Reduced risk of injury from protruding metal chips due to integrated milling shank
- High protection of application tools, no over-tightening or stripping
- Reinforced, asymmetrical thread flank geometry for higher power transmission in hardwoods
- Smooth thread start ensures optimized recessing and biting
- Displacement effect of dome-shaped milling elements reduces splitting
- Professional installation by a qualified tradesperson is recommended to ensure correct fastening and structural integrity.
- Element construction
- Timber panel construction
- Structural woodwork
- Metal wood connections
- Indoor dry or sheltered wood construction areas
- AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
- RoHS-compliant ensuring reduced hazardous substances
- Durable zinc plating extends product life reducing waste
Wurth offers a standard warranty against manufacturing defects; please refer to Wurth's official warranty policy for details.
Wurth ASSY® 4 COMBI timber screws are available for immediate purchase, ideal for timber and metal-wood construction applications.
