kwb 429690 Conjunto de brocas helicoidais HSS-R, 18 peças, 3-10 mm, DIN 338, brunidas, metal/plástico/madeira

This 18-piece twist drill bit set from kwb covers six common diameters from 3 mm to 10 mm, with multiple bits per size for extended work sessions. The HSS-R bits are roll-forged to DIN 338 and finished in black oxide, making them suitable for drilling steel, cast iron, non-ferrous metals, plastic, and wood.

Overview

The set includes 4× 3 mm, 4× 4 mm, 3× 5 mm, 3× 6 mm, 2× 8 mm, and 2× 10 mm drill bits, all with a 118° point angle and cylindrical shank. They fit standard drill chucks and work with corded drills, cordless drills, and drill presses. The robust plastic storage case keeps the bits organized and protected.

What stands out

• DIN 338 standard geometry for precise centering and efficient chip removal
• Black oxide surface reduces friction and improves wear resistance
• Multiple bits per diameter reduce downtime when a bit dulls or breaks
• Versatile across metal, plastic, and wood for general-purpose drilling

Technical details

• Material: HSS-R (High Speed Steel - Rolled)
• Manufacturing process: Roll-forged
• Standard: DIN 338
• Point angle: 118°
• Shank type: Cylindrical
• Surface finish: Black oxide
• Number of pieces: 18
• Included diameters: 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0 mm
• Quantity per diameter: 4× 3 mm, 4× 4 mm, 3× 5 mm, 3× 6 mm, 2× 8 mm, 2× 10 mm
• Packaging: Plastic storage case

Our verdict

A practical set for workshops and DIYers who need a range of common metal-drilling sizes. The DIN 338 geometry and black oxide finish deliver reliable performance, and the case keeps everything in one place.