RUKO HSS-G spiral drill black vaporized Ø 4.25 mm DIN 338 type N

The Ruko-21440425S twist drill bit is a high-precision tool designed to deliver exceptional performance in a variety of applications. Made from HSS-G high-speed steel and treated with a black vaporized finish, this drill bit combines durability and efficiency, making it ideal for use in common materials. Its standard twist design allows for smooth and effective penetration, while its ground surface ensures high concentricity, resulting in more precise and cleaner holes.

The drill bit features a ground conical tip with split point technology, which facilitates optimal centering and reduces the feed force required during drilling.

• Type: DIN 338 Type N Twist Drill Bit
• Material: HSS-G High-Speed Steel
• Finish: Black Vaporized
• Diameter: Ø 4.25 mm
• Use: Suitable for all types of drills
• Accuracy: High concentricity
• Tip: Conical with split point
• Feed Force: Requires minimal force
• Performance: High performance
• Applications: Common materials