Trade Discount 20%
ASSY® 4 COMBI Timber Screw | Hexagon Head | Zinc Plated | Partial Thread | @Pack of 100 | by Wurth
ASSY® 4 COMBI timber screws are designed for robust wood-wood fastening, featuring a hexagon head and durable zinc plating. Ideal for structural woodwork and metal-wood connections, these screws ensure high power transmission and reduced splitting, making them perfect for professional installations in construction projects.
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Technical Specifications
- Nominal diameter: 6 mm
- Length: 60 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: 37 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 60mm x 6mm
- Weight: 0.2 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
- Displacement milling effect of the milling shank reduces splitting
- High breaking torque minimizes risk of screw breakage
- Integration of milling shank into thread reduces risk of injury from metal chips
- 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
- Dome-shaped milling elements reduce splitting effect
Professional Installation Requirements
- Professional installation recommended for structural applications to ensure compliance with building codes and standards.
Applications
- Element construction
- Timber panel construction
- Structural woodwork
- Metal wood connections
- Indoor dry or sheltered wood construction areas
Standards & Compliance
- Complies with 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
Warranty as per Wurth standard terms and conditions.
Available Now
Wurth ASSY® 4 COMBI timber screws are available for immediate purchase, ideal for timber and metal-wood fastening in construction and structural woodwork.
