RUKO ZEB-HSS-DIN333-A-4,0mm centerboor

Creating precise center holes in workpieces for subsequent turning or grinding operations can be challenging without the right tool. The RUKO GMBH ZEB-HSS-DIN333-A-4.0mm center drill is engineered to produce accurate center holes in steel, cast iron, non-ferrous metals, and plastics. Its high-speed steel construction and precision ground flutes ensure clean, reliable results in machine shops and metalworking applications.

Main features

• High-speed steel (HSS) for durability and heat resistance
• DIN 333 Type A form without protecting chamfer
• Body diameter 4.0 mm, drill tip diameter 1.6 mm
• 60° point angle for standard center holes
• Right-hand cutting direction
• Bright, uncoated surface finish

Specifications

• Product type: Center drill
• Material: High-speed steel (HSS)
• Standard: DIN 333 Type A
• Body diameter (d1): 4.0 mm
• Drill tip diameter (d): 1.6 mm
• Overall length (l1): 45 mm
• Cutting part length (l2): 10 mm
• Point angle: 60°
• Form: A (without protecting chamfer)
• Shank type: Cylindrical
• Surface finish: Bright / Uncoated
• Cutting direction: Right-hand cut
• Manufacturing process: Precision ground

Tips

Use appropriate cutting fluid when drilling harder materials to extend tool life. Ensure the workpiece is securely clamped before starting the operation.