Bosch HSS-G Long Metal Drill Bits 4mm, Pack of 5
Precision-ground Bosch HSS-G drill bits for metal & plastics. 4mm diameter, 135° tip angle, pack of 5. DIN 338 compliant.
The Bosch HSS-G Long Metal Drill Bits (4mm, pack of 5) are precision-ground high-speed steel (HSS) drill bits designed for efficient and accurate drilling in a wide range of metals and hard plastics. These bits feature a 135-degree self-centring split-point tip, which ensures active cutting and perfect centring without wandering, eliminating the need for pre-punching or pilot drilling up to 10mm diameter.
Key Features:
- Fast and efficient drilling: Up to 40% faster drilling rate and 50% lower feed pressure compared to standard HSS drill bits.
- Versatile material compatibility: Suitable for aluminium, copper, steel (including high-alloy and low-alloy variants), titanium, chrome, cast iron, and hard plastics.
- Cylindrical shank design: Ensures stability in drill stands and drill drivers.
- Durable construction: Manufactured to DIN 338 standards for long-lasting performance.
Specifications:
- Type: HSS-G twist drill bit (Type N flute angle, diameter tolerance h8).
- Diameter: 4.0 mm.
- Total length: 119 mm.
- Working length: 78 mm.
- Pack of: 5 drill bits.
Ideal for professional workshops, DIY enthusiasts, and metalworkers, these Bosch drill bits provide reliable performance and precision in demanding applications.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
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- Drilling aluminium and aluminium alloys
- Drilling copper and precious metals (gold, silver, platinum)
- Drilling steel and ferrous metals (low/high-alloy, cast steel, grey iron)
- Drilling hard plastics
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- Material: High-speed steel (HSS)
- Diameter: 4.0mm
- Working Length: 78mm
- Total Length: 119mm
- Tip Angle: 135° self-centring split-point
- Shank Type: Cylindrical shank (equal to drill bit diameter)
- Standards: DIN 338
- Flute Type: Type N
- Tolerance: h8
- Pack Quantity: 5
- Weight: 300g
Always follow local regulations and product guidance.
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