Trade Discount 21%
Extra-Long Twist Drill Bit | SMART STEP Technology | High-Precision Design | 4.5 mm Diameter | by Wurth
The Extra-Long Twist Drill Bit with SMART STEP technology is engineered for high-precision drilling in soft and hardwood, as well as composite materials and steel up to 1000 N/mm². Its unique stepped drill bit tip geometry eliminates the need for pre-drilling, ensuring precise spot drilling and preventing off-centre tool movement. Ideal for skilled users, this drill bit offers exceptional performance with significantly less effort.
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Product Name/Title: Extra-Long Twist Drill Bit | SMART STEP Technology | High-Precision Design | 4.5 mm Diameter | by Wurth
Brand: Wurth
SKU: 624950450
Alternatively Known As: Extra-Long Twist Drill Bit, Deep Hole Drill, SMART STEP Drill Bit, High-Precision Drill Bit
Technical Specifications
- Diameter: 4.5 mm
- Length: 235 mm
- Chip flute length: 160 mm
- Drill tip length: 3.3 mm
- Shank diameter: 4.5 mm
- Shank style: 3-face shank
- Material: High-Speed Steel (HSS)
- Surface: Multiple refined
- Suitable for tensile strength up to 1000 N/mm²
- Self-centring: Yes
- Quality: ZEBRA-Premium
- Standard / drilling depth: DIN 1869 / 25xD
- 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 drills, cordless drills, and upright drilling machines
- Dimensions (H x L x W): 4.5mm x 235mm x 4.5mm
- Weight: 0.1 kg
Key Features
- First extra-long twist drill bit with stepped drill bit tip geometry
- Eliminates pre-drilling despite extra-long design for precise spot drilling
- Prevents tool from running off-centre during deep drilling
- Up to 100% faster than conventional extra-long HSS drill bits
- 3-flat shank for no spinning in drill chuck and optimal power transmission
- Extremely comfortable drilling with significantly less effort
- Product packaging made from 100% PCR recycled plastic and fully recyclable
- Suitable for drilling thin-walled composite materials like plastic profiles with steel core
Professional Installation Requirements
- No professional installation required; suitable for use with standard drills and screwdrivers by skilled users.
Applications
- High-precision circular drilling in soft and hardwood
- Drilling in composite materials, steel up to 1000 N/mm²
- Suitable for cast iron, aluminium, plastic, copper, brass, and bronze
- Ideal for handheld and pillar drills, cordless drill drivers
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Packaging made from 100% post-consumer recycled plastic and is fully recyclable
- Longer service life reduces waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth's warranty policy for details.
Available Now
The Wurth extra-long deep hole drill with SMART STEP technology is available for immediate purchase, ideal for precision drilling in woodworking, metalworking, and composite materials.
