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ASSY 4 P CSMP Universal Screw Zinc Plated Countersunk Milling Pocket Head Variant-1 Wurth
The ASSY 4 P CSMP universal screw is designed for optimal fastening in wood construction, featuring a zinc-plated finish and a countersunk milling pocket head.
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Technical Specifications
- Nominal diameter: 4 mm
- Length: 30 mm
- Thread length: 15 mm
- Head type: Countersunk milling pocket head
- Head diameter: 8 mm
- Head height: 2.5 mm
- Internal drive: RW20
- Thread type: Wood screw thread
- Thread design: Partial thread with underhead thread
- Shaft length: 4.0 mm
- Thread form: Coarse thread
- Core diameter: 2.5 mm
- Shape of tip: Tip with hilltop milling cutter
- Angle of the tip: 34 degrees
- Material: Hardened steel
- Surface: Zinc plated
- Colour: Silver
- Min./max. screw-in angle: 45-90 degrees
- Suitable materials: Wood, derived timber products, softwood, board plywood (BSP), hardwood, LVL, 3 layer board
- Suitable machines: Würth ABS 12-E, Würth BS 12-A Power, Würth BS 14-A Combi
- Screw requiring approval: No
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.5mm x 30mm x 8mm
- Weight: 0.01 kg
Key Features
- Universal partial-thread screw with underhead thread
- High tightening effect for fast, gap-free fastening of wood-wood connections
- Ideal power transmission thanks to RW drive
- Larger contact area at the bit for more power
- More stability and precise positioning due to tight-fit recess and perfect bit fit
- Fewer bit changes, one bit for many screw diameters
- Compatibility with previous AW drive
- No over-tightening or stripping with high feed
- Higher power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry
- Better anchoring with higher thread flanks
- Smooth thread start for optimized recessing and biting
- Low gap effect due to dome-shaped milling elements in the tip
- Friction-reduced thread rotation reduces screw-in force
Professional Installation Requirements
- Installation by a professional or skilled tradesperson is recommended to ensure correct fastening and optimal performance.
Applications
- Furniture construction
- Interior construction
- Wood construction in indoor dry or sheltered areas
- Press gluing
- Board doubling
- Cabinet making
- Casing
- Interior fitting
- Timber construction
- Dowel fastening
Standards & Compliance
- Complies with AS/NZS 4785 – Timber screws
Environmental Benefits
- RoHS-compliant ensuring reduced hazardous substances
- Durable hardened steel construction extends product life reducing waste
Warranty Information
Wurth provides warranty against manufacturing defects as per company policy.
Available Now
The Wurth ASSY 4 P CSMP universal partial-thread wood screw is available for immediate purchase, ideal for furniture, interior, and timber construction applications.
