Trade Discount 20%
ASSY 4 P CSMP Universal Screw | Zinc Plated | Countersunk Milling Pocket Head | RW20 Drive | @Pack of 500 | by 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. Ideal for furniture and interior applications, this screw ensures high tightening effect and stability, making it perfect for skilled tradespeople looking for reliable performance in various wood materials.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Product Name/Title: ASSY 4 P CSMP Universal Screw | Zinc Plated | Countersunk Milling Pocket Head | RW20 Drive | @Pack of 500 | by Wurth
Brand: Wurth
SKU: 19040430
Alternatively Known As: Wood screw, Partial thread screw, Countersunk milling pocket screw, RW20 drive screw, Zinc plated wood screw
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.
