RUKO HGB-Set DIN 2181 HSS 60° Center Drill Set, 1.0–4.0 mm, 6 Pieces

This RUKO center drill set stands out by combining six precision-ground HSS tools in one organized case, covering the most common centering diameters for lathes and milling machines. Each bit features a 60° point angle and conforms to DIN 2181, producing DIN 332 Form A and B center holes with a single operation.

Highlights

• Six-piece set: 1.0, 1.6, 2.0, 2.5, 3.15, and 4.0 mm nominal diameters
• High-speed steel (HSS-G) with bright ground finish for durability and precise cuts
• Combination drill and countersink profile eliminates tool changes
• Right-hand cutting, cylindrical shank for standard chucks
• Supplied in a robust plastic case for safe storage and quick size selection

In daily use

The ground flutes and 60° tip center accurately on steel, cast iron, non-ferrous metals, and plastics. The set covers a practical range from small precision work to larger shaft ends, making it a versatile addition to any workshop.

Full specifications

• Tool type: Center drill set
• Standard: DIN 2181
• Material: High-speed steel (HSS-G)
• Point angle: 60°
• Number of pieces: 6
• Included nominal diameters: 1.0 mm, 1.6 mm, 2.0 mm, 2.5 mm, 3.15 mm, 4.0 mm
• Manufacturing process: Ground
• Shank type: Cylindrical
• Cutting direction: Right-hand cutting
• Surface treatment: Bright / ground
• Corresponding center hole forms: DIN 332 A and B
• Packaging: Plastic case

Final note

RUKO's HGB set delivers consistent centering performance across common materials, backed by precision grinding and a practical case.