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SMART STEP Extra-Long Twist Drill Bit 4.0mm | HSS Material | Vibration Reduction | Precise Spot Drilling | by Wurth
The SMART STEP Extra-Long Twist Drill Bit 4.0mm is designed for precision drilling in steel, cast iron, and wood. With its unique EU+ pitch for longer service life and reduced vibration, this HSS drill bit ensures comfortable use and accurate results without pre-drilling. Ideal for both industrial and workshop settings, it delivers burr-free holes and is compatible with various drilling machines.
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Product Name/Title: SMART STEP Extra-Long Twist Drill Bit 4.0mm | HSS Material | Vibration Reduction | Precise Spot Drilling | by Wurth
Brand: Wurth
SKU: 624960400
Alternatively Known As: SMART STEP drill bit, extra-long twist drill, HSS drill bit, precision drill bit, Wurth drill bit
Technical Specifications
- Diameter: 4.0 mm
- Length (l1): 220 mm
- Chip flute length (l2): 150 mm
- Drill tip length (l3): 2.9 mm
- Shank diameter: 4.0 mm
- Shank style: 3-face shank
- Material: High-Speed Steel (HSS)
- Surface: Multiple refined
- Suitable for tensile strength up to 1000 N/mm²
- Suitable for machine types: Drill, Cordless screwdrivers, Pedestal drilling machine
- Quality: ZEBRA-Premium
- Standard / drilling depth: DIN 1869 / 25xD
- Design: Overlong
- Self-centring: Yes
- Dimensions (H x L x W): 220mm x 4mm x 4mm
- Weight: 0.1 kg
Key Features
- Extremely unequal pitch (EU+) for up to 50% longer service life and 15% faster drilling
- Significantly reduces vibration and torque for comfortable drilling
- Precise spot drilling with no pre-drilling required despite extra-long design
- Prevents off-centre drilling even in deep holes
- 3-flat shank from 4 mm diameter for optimal power transmission and no spinning in drill chuck
- Patent-pending stepped drill bit tip geometry for unrivalled precision and chip removal
- Burr-free hole exit and no rattling or catching in thin-walled materials
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
Professional Installation Requirements
- No professional installation required; suitable for use with standard drilling machines and cordless screwdrivers by trained operators.
Applications
- Suitable for drilling steel, cast iron, non-ferrous metals, wood, and hardwood
- Compatible with drills, cordless screwdrivers, and pedestal drilling machines
- Ideal for precise, circular holes in various materials without tearing or splintering
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Packaging made from 100% post-consumer recycled plastic
- 100% recyclable packaging reduces environmental impact
- Lower energy consumption during use due to efficient design
Warranty Information
Standard manufacturer warranty applies; please refer to Wurth for specific warranty details.
Available Now
The Wurth Extra-Long SMART STEP Twist Drill Bit 4.0mm is available now for immediate purchase. Ideal for precision drilling in metal, wood, and plastics in industrial and workshop settings.
