Trade Discount 20%
Extra Long Twist Drill Bit | High Precision | SMART STEP Technology | 4.0 mm Diameter | by Wurth
The Extra Long Twist Drill Bit is designed for high-precision drilling in various materials, featuring SMART STEP technology for enhanced performance. With a 4.0 mm diameter and a unique stepped drill tip geometry, it eliminates the need for pre-drilling and ensures precise spot drilling. Ideal for professionals working with soft and hardwood, composite materials, and metals up to 1000 N/mm², this drill bit offers a comfortable drilling experience and longer service life compared to conventional options.
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Product Name/Title: Extra Long Twist Drill Bit | High Precision | SMART STEP Technology | 4.0 mm Diameter | by Wurth
Brand: Wurth
SKU: 624950400
Alternatively Known As: Extra Long Twist Drill Bit, Deep Hole Drill, SMART STEP Drill Bit, High Precision Drill Bit, Overlong Drill Bit
Technical Specifications
- Diameter: 4.0 mm
- Length: 220 mm
- Chip flute length: 150 mm
- Drill tip length: 2.81 mm
- Shank diameter: 4.0 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 rating: ZEBRA-Premium
- Service life: 3 of 4 points
- Drilling speed: 4 of 4 points
- Bore hole quality: 4 of 4 points
- Versatility: 3 of 4 points
- Drilling behaviour: 4 of 4 points
- Suitable for drill: 4 of 4 points
- Suitable for cordless drills: 4 of 4 points
- Suitable for upright drilling machine: 4 of 4 points
- Dimensions (H x L x W): 4mm x 220mm x 4mm
- 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
- Requires significantly less effort compared to conventional extra-long twist drill bits
- 3-flat shank prevents spinning in drill chuck and ensures optimal power transmission
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
- Extremely comfortable drilling experience
- 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 drilling machines 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, and pedestal drilling machines
- Ideal for drilling thin-walled composite materials such as plastic profiles with steel core in window construction
Standards & Compliance
- AS/NZS 3123 – Industrial Plugs and Socket-Outlets
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 material applications.
