RUKO KES-Bit-HSS-90°-Ø16.5mm-L Countersink Bit

Precision-ground 90° HSS countersink bit with 16.5 mm cutting diameter and 3-flute design for clean chamfering and deburring in steel, cast iron, non-ferrous metals, plastics, and wood.

Overview

The RUKO KES-Bit-HSS-90°-Ø16.5mm-L is a cylindrical-shank countersink bit made from high-speed steel (HSS). It features a 90° cutting angle, 16.5 mm cutting diameter, and 10 mm shank diameter, with an overall length of 65 mm. The bit has three flutes and a conical point geometry, ground to DIN 335 C standards. It is uncoated and has a right-hand cut.

What stands out

• 90° cutting angle for standard countersinks
• 3-flute design for smooth, chatter-free cutting
• Ground from HSS for durability and sharpness
• Versatile across ferrous and non-ferrous materials

Technical details

• Tool type: Countersink bit
• Material: High-speed steel (HSS)
• Cutting angle: 90°
• Cutting diameter: 16.5 mm
• Shank type: Cylindrical
• Shank diameter: 10 mm
• Overall length: 65 mm
• Number of flutes: 3
• Standard: DIN 335 C
• Coating: Uncoated
• Cutting direction: Right-hand
• Applications: Countersinking, deburring, chamfering
• Suitable materials: Steel, cast iron, non-ferrous metals, plastics, wood
• Manufacturing process: Ground
• Point geometry: Conical
• Recommended use: Hand drills, pillar drills, machining centers
• Packaging quantity: 1 piece

Our verdict

A reliable HSS countersink bit for professional and workshop use, offering precise 90° chamfers and long service life across a wide range of materials.