Trade Discount 21%
3.5mm Cobalt Drill Bit | Magma Coated | High-Speed Steel | Exceptional Durability | by Wurth
The 3.5mm Cobalt Drill Bit is engineered for high-performance drilling in hard materials, featuring a magma multilayer coating and 8% cobalt alloy for exceptional durability. Ideal for industrial applications, this drill bit offers up to 9x longer service life and 50% faster cutting speed compared to standard bits, making it perfect for tough materials like titanium and tool steels.
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Product Name/Title: 3.5mm Cobalt Drill Bit | Magma Coated | High-Speed Steel | Exceptional Durability | by Wurth
Brand: Wurth
SKU: 618940350
Alternatively Known As: Cobalt Drill Bit, Magma Coated Drill Bit, High-Speed Steel Cobalt Drill, Hard Material Drill Bit, 3.5mm Metal Drill Bit
Technical Specifications
- Diameter: 3.5 mm
- Length: 70 mm
- Chip flute length: 20 mm
- Shank diameter: 3.5 mm
- Shank style: Cylindrical
- Surface: 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 drill, cordless screwdrivers, pedestal drilling machine, milling/drill center
- Service life rating: 4/4 points
- Drilling speed rating: 3/4 points
- Bore hole quality rating: 4/4 points
- Versatility rating: 2/4 points
- Drilling behaviour rating: 4/4 points
- Suitable for various drilling machines with high performance
- Dimensions (H x L x W): 70mm x 70mm x 3.5mm
- 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 for durability.
- Optimal centring during work with no spinning in the drill chuck, ensuring faster and more comfortable operation.
- 3-flat shank design from diameter 4 mm for optimal power transmission and protection of the drill chuck.
- 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 machines and cordless screwdrivers by trained operators.
Applications
- Suitable for drilling 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, Hardox, spring steels, bronze (short and long-chipping), and brass (short-chipping).
- Ideal for use in excavator shovels, lorry attachments, armour plating, snow ploughs, agricultural machinery, and holes in conventional steels requiring long service life.
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
Wurth provides a quality assurance warranty consistent with premium ZEBRA-Premium product standards.
Available Now
The Wurth Magma Multi-Layer Coated 3.5mm Cobalt Drill Bit is available for immediate purchase, ideal for machining hard and tough materials in industrial and workshop settings.
