RUKO HGB-DIN2181-HSS-60°-Nr.3x Centre Drill 2.5 mm HSS DIN 2181 Form A

This RUKO centre drill stands out with its precise 60° countersink angle and HSS construction, making it a dependable choice for creating accurate centre holes in metalworking. Unlike standard twist drills, its combined pilot and countersink design prepares workpieces for turning, grinding, or inspection in a single operation.

Highlights

• DIN 2181 Form A geometry for standard centre holes
• High-speed steel (HSS) for durability and heat resistance
• Bright finish and ground flutes for clean cutting
• Right-hand cutting direction for conventional machines

In daily use

The 2.5 mm pilot diameter and 6.3 mm shank fit standard drill chucks, while the 50 mm overall length provides good reach. The 60° countersink angle matches common centre specifications, ensuring proper support during subsequent machining. Suitable for steel, cast iron, and non-ferrous metals.

Full specifications

• Tool type: Centre drill
• Standard: DIN 2181
• Form: A (plain type)
• Material: High-speed steel (HSS)
• Countersink angle: 60°
• Size number: 3
• Pilot drill diameter: 2.5 mm
• Countersink diameter: 6.3 mm
• Overall length: 50 mm
• Shank diameter: 6.3 mm
• Cutting direction: Right-hand cutting
• Surface treatment: Bright finish
• Manufacturing method: Ground
• Suitable materials: Steel, cast iron, non-ferrous metals
• Packaging unit: 1 piece

Final note

A reliable centre drill for workshops that demand precision and repeatability in centre hole preparation.