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Extra-Long Twist Drill Bit | HSS Material | Patent-Pending Tip Geometry | 4.9 mm Diameter | by Wurth
The Extra-Long Twist Drill Bit is designed for precision drilling in steel, cast iron, and wood, featuring a patent-pending stepped drill bit tip for unrivaled accuracy. With an extremely unequal pitch for longer service life and faster drilling, this bit eliminates the need for pre-drilling, making it ideal for both industrial and workshop applications. Enjoy reduced vibration and torque, ensuring a comfortable drilling experience.
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Product Name/Title: Extra-Long Twist Drill Bit | HSS Material | Patent-Pending Tip Geometry | 4.9 mm Diameter | by Wurth
Brand: Wurth
SKU: 624960490
Alternatively Known As: Extra-Long Twist Drill Bit, SMART STEP Drill Bit, HSS Twist Drill, Precision Drill Bit, Overlong Drill Bit
Technical Specifications
- Diameter: 4.9 mm
- Length (l1): 245 mm
- Chip flute length (l2): 170 mm
- Drill tip length (l3): 3.4 mm
- Shank diameter: 4.9 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
- Standard / drilling depth: DIN 1869 / 25xD
- Self-centring: Yes
- Quality: ZEBRA-Premium
- Service life rating: 3 of 4 points
- Drilling speed rating: 4 of 4 points
- Bore hole quality rating: 4 of 4 points
- Versatility rating: 3 of 4 points
- Drilling behaviour rating: 4 of 4 points
- Suitable for drill rating: 4 of 4 points
- Suitable for cordless drills rating: 4 of 4 points
- Suitable for upright drilling machine rating: 4 of 4 points
- Dimensions (H x L x W): 245mm x 245mm x 4.9mm
- Weight: 0.1 kg
Key Features
- Extremely unequal pitch (EU+) for up to 50% longer service life and up to 15% faster drilling progress
- Patent-pending stepped drill bit tip geometry for unrivalled precision and service life
- Eliminates pre-drilling despite extra-long design with precise spot drilling
- Prevents tool from running off-centre during deep drilling
- 3-flat shank from diameter 4 mm for no spinning in drill chuck and optimal power transmission
- Highly comfortable drilling with less vibration and up to 60% less torque required
- Burr-free hole exit and no rattling or catching even 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 users.
Applications
- Suitable for drilling in steel, cast iron, non-ferrous metals, wood, and hardwood
- Compatible with drills, cordless screwdrivers, and pedestal drilling machines
- Ideal for precise, circular holes in a wide range of materials including plastics and acrylic
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Reduced energy consumption by up to 20% due to efficient drilling design
- Packaging made from 100% post-consumer recycled plastic and fully recyclable
Warranty Information
Standard manufacturer warranty applies; please refer to Wurth's warranty policy for details.
Available Now
The Wurth Extra-Long SMART STEP Twist Drill Bit is available now for immediate purchase. Ideal for precision drilling in metal, wood, and plastics in industrial and workshop settings.
