Trade Discount 20%
SMART STEP Extra-Long Twist Drill Bit 3.3mm | HSS Material | Precise Spot Drilling | by Wurth
The SMART STEP Extra-Long Twist Drill Bit 3.3mm is designed for precision drilling in steel, cast iron, non-ferrous metals, wood, and plastics. With an innovative stepped tip geometry, it ensures burr-free holes and requires no pre-drilling, making it ideal for both professionals and DIY enthusiasts. Experience faster drilling progress with less vibration and torque, perfect for a variety of applications.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Product Name/Title: SMART STEP Extra-Long Twist Drill Bit 3.3mm | HSS Material | Precise Spot Drilling | by Wurth
Brand: Wurth
SKU: 624960330
Alternatively Known As: SMART STEP drill bit, extra-long twist drill, stepped drill bit, HSS drill bit, 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: 3.3 mm
- Length (l1): 200 mm
- Chip flute length (l2): 135 mm
- Drill tip length (l3): 2.1 mm
- Shank diameter: 3.3 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
- 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 and brass variants, Bronze variants, Various plastics including reinforced types
- Dimensions (H x L x W): 3mm x 200mm x 3mm
- Weight: 0.1 kg
Key Features
- Extremely unequal pitch (EU+) for up to 50% longer service life and up to 15% faster drilling progress
- Significantly more comfortable drilling with less vibration and up to 60% less torque required
- Precise spot drilling with no pre-drilling needed despite extra-long design
- Prevents tool from running off-centre even during deep drilling
- Burr-free hole exit and no rattling or catching in thin-walled materials
- 3-flat shank from diameter 4 mm for optimal power transmission and no spinning in drill chuck
- Innovative stepped drill bit tip geometry for highly precise, circular drilling and optimal chip removal
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
Professional Installation Requirements
- No professional installation required; suitable for use with standard drilling equipment by trained operators.
Applications
- Suitable for drilling steel, cast iron, non-ferrous metals, wood, hardwood, plastics, and acrylic materials
- Ideal for use with drills, cordless screwdrivers, and pedestal drilling machines
- Perfect for precise, circular holes without tearing or splintering in various materials
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Product packaging made from 100% post-consumer recycled plastic
- Packaging is fully recyclable, reducing environmental impact
- Lower energy consumption during drilling due to efficient design
Warranty Information
Standard manufacturer warranty applies; please refer to Wurth for specific warranty details.
Available Now
The Wurth Extra-Long SMART STEP Twist Drill Bit 3.3mm is available for immediate purchase, ideal for precision drilling in metal, wood, and plastics.
