RUKO GMBH KES-DIN335-HSSCo-90°-10.0mm Countersink Bit

Creating clean, precise countersinks in tough materials like stainless steel or cast iron can be a challenge without the right tool. The RUKO KES-DIN335-HSSCo-90°-10.0mm countersink bit solves this problem with its high-speed steel cobalt construction and precision-ground 90° cutting angle, delivering smooth, chatter-free chamfers and deburring in a wide range of metals and plastics.

Who is it for

This countersink is ideal for machinists, metalworkers, and maintenance professionals who need a reliable tool for deburring, chamfering, and countersinking holes in steel, stainless steel, cast iron, non-ferrous metals, and plastics. Its universal design suits both workshop and field use.

Main features

• DIN 335 C standard geometry for consistent performance
• HSS-Co material offers high heat resistance and excellent wear resistance
• 90° cutting angle with 3 flutes for smooth, efficient cutting
• 10.0 mm cutting diameter and 6.0 mm cylindrical shank (h8 tolerance)
• Bright finish, precision ground profile, right-hand cut

Specifications

• Tool Type: Countersink
• Standard: DIN 335 C
• Material: HSS-Co
• Cutting Angle: 90°
• Cutting Diameter (d1): 10.0 mm
• Shank Diameter (d2): 6.0 mm
• Total Length (L1): 45 mm
• Number of Flutes: 3
• Shank Type: Cylindrical
• Application: Deburring, Chamfering, Countersinking
• Suitable Materials: Steel, Stainless Steel, Cast Iron, Non-Ferrous Metals, Plastics
• Surface Treatment: Bright Finish
• Manufacturing Process: Precision Ground Profile
• Direction of Cut: Right-Hand Cut
• Tolerance (Shank): h8
• Heat Resistance: High
• Wear Resistance: Excellent

Tips

Use appropriate cutting speed and light feed for best results in hard materials. Ensure the workpiece is securely clamped to prevent vibration and achieve a clean finish.