RUKO MGB-DIN2182-HSSCo-60°-5/16 Countersink Bit

With a 60° cutting angle and HSSCo cobalt steel construction, this RUKO countersink delivers high heat resistance and clean chamfers in steel, stainless steel, cast iron, non-ferrous metals, and plastics.

Overview

The RUKO MGB-DIN2182-HSSCo-60°-5/16 is a precision-ground countersink bit designed for deburring, chamfering, and countersinking. Its 5/16 inch (7.9375 mm) cutting diameter and cylindrical shank make it suitable for general-purpose use in machine and hand-held applications.

What stands out

• HSSCo cobalt alloy for high heat resistance and extended tool life
• Three-flute design for smooth cutting and reduced vibration
• Right-hand cut with bright finish for clean results
• Ground profile for consistent accuracy

Technical details

• Tool Type: Countersink
• Material: HSSCo (High-Speed Steel with Cobalt)
• Cutting Angle: 60°
• Cutting Diameter: 5/16 inch (7.9375 mm)
• Shank Type: Cylindrical Shank
• Number of Flutes: 3
• Application: Deburring, Chamfering, Countersinking
• Suitable Materials: Steel, Stainless Steel, Cast Iron, Non-Ferrous Metals, Plastics
• Coating: Uncoated / Bright Finish
• Direction of Cut: Right-Hand Cut
• Overall Length: 50 mm
• Shank Diameter: 5/16 inch (7.9375 mm)
• Manufacturing Process: Ground Profile
• Heat Resistance: High
• Product Series/Designation: MGB-DIN2182

Our verdict

A reliable cobalt countersink for professionals who need consistent 60° chamfers in tough materials.