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Extra-Long Twist Drill Bit | 5.5 mm Diameter | High-Precision SMART STEP Design | by Wurth
The Extra-Long Twist Drill Bit is designed for high-precision drilling in various materials, featuring a 5.5 mm diameter and innovative SMART STEP technology. Ideal for professionals, this drill bit eliminates pre-drilling and ensures precise spot drilling, making it perfect for soft and hardwood, composite materials, and metals up to 1000 N/mm². With a self-centering design and 3-flat shank, it provides superior performance and longevity compared to conventional bits.
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Product Name/Title: Extra-Long Twist Drill Bit | 5.5 mm Diameter | High-Precision SMART STEP Design | by Wurth
Brand: Wurth
SKU: 624950550
Alternatively Known As: Extra-Long Twist Drill Bit, Deep Hole Drill, SMART STEP Drill Bit, High-Precision Drill Bit
Technical Specifications
- Diameter: 5.5 mm
- Length: 260 mm
- Chip flute length: 180 mm
- Drill tip length: 4.6 mm
- Shank diameter: 5.5 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 design
- Standard / drilling depth: DIN 1869 / 25xD
- Quality: ZEBRA-Premium
- Suitable for drill, cordless screwdrivers, pedestal drilling machines
- Dimensions (H x L x W): 5.5mm x 260mm x 5.5mm
- Weight: 0.15 kg
Key Features
- First extra-long twist drill bit with stepped drill bit tip geometry
- Eliminates pre-drilling and ensures precise spot drilling
- Prevents tool from running off-centre during deep drilling
- Requires significantly less effort compared to conventional extra-long twist drill bits
- 3-flat shank prevents spinning in the drill chuck and protects the chuck from damage
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
- Suitable for drilling thin-walled composite materials such as plastic profiles with steel core
- High quality drill holes and longer service life compared to conventional wood boring bits
Professional Installation Requirements
- No professional installation required. Suitable for use with standard drills and screwdrivers 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
- Suitable for plastic, copper, brass, and bronze materials
- Ideal for handheld and pillar drill machines
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 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.
