Extra-Long Deep Hole Drill Bit | SMART STEP Technology | High-Precision Twist Design | HSS Material | by Wurth
The Extra-Long Deep Hole Drill Bit with SMART STEP Technology is engineered for high-precision drilling in various materials, including soft and hardwood, composites, and metals up to 1000 N/mm². Its innovative stepped drill bit tip geometry allows for precise spot drilling without pre-drilling, making it ideal for skilled users. Experience faster drilling speeds and reduced effort with its 3-flat shank design that prevents spinning in the chuck.
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Product Name/Title: Extra-Long Deep Hole Drill Bit | SMART STEP Technology | High-Precision Twist Design | HSS Material | by Wurth
Brand: Wurth
SKU: 624950420
Alternatively Known As: Extra-Long Deep Hole Drill Bit, SMART STEP Drill Bit, High-Precision Twist Drill, Overlong HSS Drill Bit
- Diameter: 4.2 mm
- Length: 220 mm
- Chip flute length: 150 mm
- Drill tip length: 3.0 mm
- Shank diameter: 4.2 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
- Standard / drilling depth: DIN 1869 / 25xD
- 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 drills, cordless drills, and upright drilling machines
- Dimensions (H x L x W): 220mm x 220mm x 4mm
- Weight: 0.1 kg
- First extra-long twist drill bit with stepped drill bit tip geometry for precise spot drilling without 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 prevents spinning in the drill chuck and ensures optimal power transmission
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
- High quality drill holes and longer service life compared to conventional wood boring bits
- No professional installation required; suitable for use with standard drilling machines and cordless drills by skilled users.
- 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
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Packaging made from 100% post-consumer recycled plastic and is fully recyclable, reducing environmental impact
Wurth provides warranty coverage against manufacturing defects as per company policy.
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.
