Trade Discount 20%
ASSY® 4 COMBI Timber Screw | Hexagon Head | Zinc Plated | Partial Thread | @Pack of 200 | by Wurth
ASSY® 4 COMBI timber screws are designed for robust wood fastening, featuring a hexagon head and zinc plating for durability. Ideal for timber panel construction and structural woodwork, these screws ensure high power transmission and reduced risk of splitting. With a reinforced thread geometry, they provide stability and precision for professional installations in indoor dry or sheltered areas.
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Product Name/Title: ASSY® 4 COMBI Timber Screw | Hexagon Head | Zinc Plated | Partial Thread | @Pack of 200 | by Wurth
Brand: Wurth
SKU: 15876040
Alternatively Known As: Wood screws, Hex head timber screws, Zinc plated wood screws, Partial thread wood screws, ASSY 4 COMBI screws
Technical Specifications
- 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
Key Features
- 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 Requirements
- Professional installation by a qualified tradesperson is recommended to ensure correct fastening and structural integrity.
Applications
- Element construction
- Timber panel construction
- Structural woodwork
- Metal wood connections
- Indoor dry or sheltered wood construction areas
Standards & Compliance
- AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- RoHS-compliant ensuring reduced hazardous substances
- Durable zinc plating extends product life reducing waste
Warranty Information
Wurth offers a standard warranty against manufacturing defects; please refer to Wurth's official warranty policy for details.
Available Now
Wurth ASSY® 4 COMBI timber screws are available for immediate purchase, ideal for timber and metal-wood construction applications.
