Trade Discount 20%
ASSY® 4 COMBI Timber Screw | Hexagon Head | Zinc Plated | Partial Thread | @Pack of 75 | by Wurth
ASSY® 4 COMBI timber screws are designed for robust wood fastening, featuring a hexagon head and partial thread for optimal grip. Ideal for structural woodwork and metal-wood connections, these screws ensure high power transmission and reduced splitting, making them perfect for both professionals and DIY enthusiasts. With durable zinc plating, they offer longevity and compliance with RoHS standards.
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Product Name/Title: ASSY® 4 COMBI Timber Screw | Hexagon Head | Zinc Plated | Partial Thread | @Pack of 75 | by Wurth
Brand: Wurth
SKU: 158780180
Alternatively Known As: Wood screws, Timber screws, Hex head wood screws, Zinc plated wood screws, Partial thread screws
Technical Specifications
- Nominal diameter: 8 mm
- Length: 180 mm
- Head type: Hexagon head
- Head height: 4.5 mm
- External drive: WS12
- Internal drive: RW40
- Thread type: Wood screw thread
- Thread design: Partial thread
- Design: With shaft
- Thread form: Coarse thread
- Thread length: 80 mm
- Material: Hardened steel
- Surface: Zinc plated
- Suitable materials: Wood, Derived timber product, Softwood, Board plywood (BSP), Hardwood, LVL
- Core diameter: 5.3 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): 4.5mm x 180mm x 8mm
- 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 fit of the bit 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
- Installation by a qualified professional 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
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.
