Trade Discount 20%
Extra-Long Twist Drill Bit | High-Precision SMART STEP Design | 4.9 mm Diameter | by Wurth
The Extra-Long Twist Drill Bit is engineered for high-precision drilling in various materials, including steel, hardwood, and plastics. Featuring a unique SMART STEP design, this drill bit eliminates the need for pre-drilling and ensures up to 100% faster drilling compared to conventional bits. Ideal for professionals and DIY enthusiasts alike, it offers exceptional performance with less effort, making it perfect for deep hole applications.
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Product Name/Title: Extra-Long Twist Drill Bit | High-Precision SMART STEP Design | 4.9 mm Diameter | by Wurth
Brand: Wurth
SKU: 624950490
Alternatively Known As: Extra-Long Twist Drill Bit, Deep Hole Drill, SMART STEP Drill Bit, High-Precision Drill Bit
Technical Specifications
- Suitable for machine types: Drill, Cordless screwdrivers, Pedestal drilling machine
- Material to be processed: Steel, Cast iron, Non-ferrous metal, Wood, Hardwood
- Quality: ZEBRA-Premium
- Standard / drilling depth: DIN 1869 / 25xD
- Design: Overlong
- Diameter: 4.9 mm
- Length: 245 mm
- Chip flute length: 170 mm
- Drill tip length: 3.8 mm
- Shank diameter: 4.9 mm
- Shank style: 3-face shank
- Surface: Multiple refined
- Cutting material: HSS
- 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
- Self-centring: Yes
- Suitable for tensile strength up to: 1000 N/mm²
- Material sub-groups: General structural steels, Non-alloyed tempering steels, Alloyed tempering steels, Nitriding steels, Tool steels, High-speed steels, Cast iron, Ductile iron, Malleable cast iron, Aluminium and alloys, Magnesium alloys, Copper, Brass, Bronze, Plastics including reinforced types
- Dimensions (H x L x W): 4.9mm x 245mm x 4.9mm
- Weight: 0.15 kg
Key Features
- First extra-long twist drill bit with stepped drill bit tip geometry eliminating the need for pre-drilling
- Prevents tool from running off-centre during deep drilling
- Up to 100% faster than conventional extra-long HSS drill bits
- Extremely comfortable drilling with significantly less effort
- 3-flat shank design for no spinning in the drill chuck and optimal power transmission
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
- High quality drill holes and significantly longer service life compared to conventional wood boring bits
Professional Installation Requirements
- No professional installation required; suitable for use with standard drilling machines and cordless drills by trained operators.
Applications
- High-precision circular drilling in soft and hardwood
- Drilling in composite materials, steel up to 1000 N/mm², cast iron, aluminium, plastic, copper, brass, and bronze
- Suitable for cordless drill drivers, handheld drills, pedestal drilling machines, and drill presses
- Ideal for drilling thin-walled composite materials such as plastic profiles with steel core in window construction
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Packaging made from 100% post-consumer recycled plastic and is fully recyclable, reducing environmental impact
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 a wide range of materials in machining and construction applications.
