Bosch HSS-G Long Metal Drill Bits 4mm, Pack of 5

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.