Trade Discount 20%
3.3mm Cobalt Drill Bit | Magma Coated | High-Speed Steel | 135° Tip Angle | by Wurth
The 3.3mm Cobalt Drill Bit is engineered for exceptional drilling stability and cutting force, making it ideal for machining hard materials like alloyed steels and titanium. With a special magma multi-layer coating and 8% cobalt alloy, this drill bit offers up to 9x longer service life and 50% faster cutting speed compared to uncoated options. Perfect for professional use in drills and milling machines, it ensures optimal centering and minimal effort during operation.
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Product Name/Title: 3.3mm Cobalt Drill Bit | Magma Coated | High-Speed Steel | 135° Tip Angle | by Wurth
Brand: Wurth
SKU: 618940330
Alternatively Known As: Cobalt Drill Bit, Magma Coated Drill Bit, High-Speed Steel Cobalt Drill, Hard Material Drill Bit, 3.3mm Metal Drill Bit
Technical Specifications
- Diameter: 3.3 mm
- Length: 65 mm
- Chip flute length: 18 mm
- Shank diameter: 3.3 mm
- Shank style: Cylindrical
- Surface coating: Magma multilayer coating
- Cutting material: HSCo8 (8% cobalt alloy)
- Type: Right-hand (RH)
- Tip angle: 135 degrees
- Suitable for tensile strength up to 1550 N/mm²
- Self-centring: Yes
- Suitable for machine types: Drill, Cordless screwdrivers, Pedestal drilling machine, Milling/drill center
- Service life rating: 4 of 4 points
- Drilling speed rating: 3 of 4 points
- Bore hole quality rating: 4 of 4 points
- Versatility rating: 2 of 4 points
- Drilling behaviour rating: 4 of 4 points
- Suitable for drills and cordless drills: 4 of 4 points
- Suitable for upright drilling machines: 4 of 4 points
- Suitable for milling-drilling centres: 3 of 4 points
- Dimensions (H x L x W): 65mm x 65mm x 3.3mm
- Weight: 0.1 kg
Key Features
- Exceptionally high drilling stability and cutting force with up to 9x longer service life and 50% faster cutting speed compared to uncoated drill bits
- Extra-high resistance to breakage and heat-resistant up to 800°C
- Special magma multi-layer coating combined with 8% cobalt alloy
- Optimal centring during work with minimal effort required to loosen and tighten the drill chuck
- 3-flat shank design from diameter 4 mm prevents spinning in the drill chuck and protects the chuck from damage
- Product packaging made from 100% PCR recycled plastic and is 100% recyclable
Professional Installation Requirements
- Suitable for use with drills, cordless screwdrivers, pedestal drilling machines, and milling/drill centers; professional handling recommended for optimal performance.
Applications
- Machining hard and tough materials including alloyed tempering steels, nitriding steels, tool steels, high-speed steels, cast iron, ductile iron, malleable cast iron, titanium and titanium alloys
- Suitable for drilling materials like Hardox, spring steels, bronze (short and long-chipping), and brass (short-chipping)
- Used in excavator shovels, lorry attachments, armour plating, snow ploughs, agricultural machinery
- Ideal for holes in conventional steels requiring long service life
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Packaging made from 100% post-consumer recycled plastic from household waste
- 100% recyclable packaging reduces environmental impact
Warranty Information
Standard manufacturer warranty applies; specific warranty details available upon request from Wurth.
Available Now
The Wurth Magma Multi-Layer Coated 3.3mm Cobalt Drill Bit is available for immediate purchase, ideal for machining hard and tough materials in industrial and manufacturing applications.
