Trade Discount 20%
ASSY® 4 CSMP Universal Screw Zinc Plated Countersunk Milling Pocket Head Variant-4 Wurth
ASSY® 4 CSMP universal screws are designed for fast, gap-free fastening of wood connections, featuring a zinc-plated finish and a countersunk milling pocket head.
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Technical Specifications
- Nominal diameter: 3.5 mm
- Length: 40 mm
- Thread length: 25 mm
- Head type: Countersunk milling pocket head with milling pockets
- Head diameter: 7 mm
- Head height: 2.3 mm
- Internal drive: RW20
- Thread type: Wood screw thread, partial thread, coarse thread
- Core diameter: 2.1 mm
- Tip shape: Tip with hilltop milling cutter
- Tip angle: 28 degrees
- Material: Hardened steel
- Surface finish: Zinc plated, silver color
- Screw-in angle: 0-90 degrees
- Suitable materials: Wood, derived timber products, softwood, plywood, hardwood, LVL
- Suitable machines: Würth BS 14-A Combi, Würth BS 12-A Power
- Screw approval: ETA-11/0190
- RoHS compliant: Yes
- Dimensions (H x L x W): 2.3mm x 40mm x 7mm
- Weight: 0.05 kg
Key Features
- Universal partial-thread screw for fast, gap-free fastening of wood-wood connections
- Ideal power transmission thanks to RW recess
- More power due to larger contact area at the bit
- More stability, one-handed working, precise positioning due to tight-fit recess
- Fewer bit changes, 1 bit for many screw diameters
- Compatibility with previous AW drive
- Significant reduction in force required when screwing
- Low gap effect due to displacement milling effect of the milling shank
- Minimised risk of screw breakage due to high breaking torque
- Reduced risk of injury from protruding metal chips due to milling shank integration
- High protection of application tools
- No over-tightening or stripping and high feed
- Higher power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry
- Better anchorage thanks to higher thread flanks
- Smooth thread start ensures optimized recessing and biting
- Low gap effect due to displacement effect of dome-shaped milling elements in the tip
- Friction-reduced thread rotation allows reduction of screw-in force
- High strength values and ductility
- Adjusted heat treatment guarantees high strength values
Professional Installation Requirements
- Installation by professionals or skilled personnel recommended to ensure proper fastening and safety.
Applications
- Furniture construction
- Interior fitting
- Wood construction in indoor dry or sheltered areas
- Universal fastening of wood-wood connections
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
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 CSMP universal screws are available for immediate purchase, ideal for furniture construction, interior fitting, and wood construction applications.
