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.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- 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
- 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.
Free standard delivery on Canadian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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