KWB 149500 HSS Countersink Bit 12 mm, 90°, 3-Flute, DIN 335 C

With a 12 mm cutting diameter and a precise 90° countersink angle, this KWB countersink bit creates clean, uniform chamfers in wood, plastic, and metal. Its three-flute design and bright HSS construction deliver smooth cutting and long service life.

Overview

The KWB 149500 is a high-speed steel (HSS) countersink bit with a cylindrical shank and a 12 mm cutting diameter. It is designed for deburring, chamfering, and countersinking in a variety of materials, including wood, plastic, non-ferrous metals, steel, and cast iron. The bit conforms to DIN 335 C and features a 90° countersink angle with three cutting flutes for efficient material removal.

What stands out

• 90° countersink angle for standard countersunk screws
• Three-flute geometry reduces vibration and improves finish
• Bright HSS construction for durability and sharpness
• Suitable for corded drills, cordless drills, and drill presses

Technical details

• Cutting diameter: 12 mm
• Shank diameter: 8 mm
• Total length: 56 mm
• Countersink angle: 90°
• Number of flutes: 3
• Material: High-speed steel (HSS)
• Standard: DIN 335 C
• Application materials: Wood, plastic, non-ferrous metals, steel, cast iron
• Packaging unit: 1 piece

Our verdict

A reliable 12 mm countersink bit for clean, accurate chamfers in a wide range of materials. The three-flute design and HSS construction make it a solid choice for both occasional and frequent use.