Twist drill bit Bosch HSS hex-shank 5 mm

The Bosch Twist drill bit HSS with 5 mm diameter and 1/4-inch hex shank is made for reliable precision drilling in metal and wood. Ground from solid high-speed steel with an oxide-coated flute, it is designed to reduce wear and withstand high loads, including use with impact drivers. The drill conforms to DIN 338 as Type N with a 135° split-point tip and diameter tolerance h8, providing accurate centring and active cutting action.

Advantages

The solid HSS construction and precision grinding ensure long tool life and consistent hole quality. The oxide-coated flute improves chip evacuation and reduces friction. The 135° pointed split-point design gives fast penetration and precise centring, while the 1/4-inch hex shank provides secure retention in chucks and impact driver adapters.

Suitable for

• Drilling holes in metal sheets, profiles and soft metals
• General-purpose drilling in wood
• Use with cordless drills and impact drivers that accept 1/4" hex shanks
• Workshop, construction and DIY repair tasks

Key specifications

• Brand: Bosch
• Type: HSS twist drill bit, DIN 338 Type N
• Diameter: 5 mm
• Tip angle: 135° split-point
• Shank: 1/4" hex shank
• Tolerance: h8
• MPN: 2608577056
• EAN: 3165140858847

How to use

Mark the drilling spot and secure the workpiece before drilling. Fit the 1/4" hex shank into the drill or impact driver chuck until it locks. Start at low speed to establish the centre, then increase speed appropriate to the material—moderate speed for metals and higher speed for wood. Apply steady, even pressure and withdraw occasionally to clear chips and avoid overheating. Use cutting fluid when drilling tougher metals to extend tool life.

Usage recommendations

For best results when drilling metal, use a lubricant or cutting oil and maintain moderate speed. Replace the bit if wear or rounding appears on the tip to preserve hole quality and safety. Store in original blister packaging to protect the tip and flute.