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Trending Bosch Professional Step Drill Bit Hss-altin 4-20mm Set [kLpeO8Gr]

$24.99 $79.99 -69%

Bosch Professional Step Drill Bit: The Ultimate Tool for Precision Drilling The Bosch Professional Step Drill Bit is a versatile and durable tool designed for high-speed steel (HSS) drilling applications. Crafted with precision, this drill bit is coa

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Bosch Professional Step Drill Bit: The Ultimate Tool for Precision Drilling

The Bosch Professional Step Drill Bit is a versatile and durable tool designed for high-speed steel (HSS) drilling applications. Crafted with precision, this drill bit is coated with AlTiN (Aluminium Titan Nitride), offering the longest possible lifespan without the need for coolant. Its unique design allows for smooth, burr-free drilling in multiple diameters with a single bit, making it an essential tool for a wide range of tasks.
  • Longevity: Coated with AlTiN for maximum durability.
  • Non-Coolant Required: Efficient drilling without the need for additional coolant.

Technical Specifications and Features

The Bosch Professional Step Drill Bit is engineered with a 3-flat shank to prevent slipping in the chuck, ensuring a powerful high-torque transmission. The laser-marked figures in both spiral flutes provide easy visibility and durable markings of the hole diameter. The split-point tip allows for an easy start, eliminating the need for pre-punching. The CNC ground spiral flute optimizes chip removal and reduces vibration for a smooth drilling experience.
  • 3-Flat Shank: Prevents slipping and provides high torque transmission.
  • Laser-Marked Figures: Easy and durable hole diameter markings.

Practical Applications and Benefits

Ideal for deburring, drilling round holes, and enlarging existing ones, the Bosch Professional Step Drill Bit is a versatile tool for various applications. It is suitable for thin materials such as non-ferrous metals, sheet plastic, sheet steel, plastic, and stainless steel. With its combination of high cutting performance and smoothness, this drill bit is perfect for both professional and DIY users.
  • Multiple Applications: Suitable for deburring, drilling, and enlarging holes.
  • Material Compatibility: Works with non-ferrous metals, plastics, and stainless steel.

What Our Customers Say

January 2, 2026

Absolutely no complaints!

This product is a superb find. It performs better than expected.

- Ibrahim L..

January 2, 2026

Absolutely no complaints!

This product is a great example of quality and high performance.

- Jacoby J..

January 2, 2026

Absolutely no complaints!

It has a certain elegance to it, both in look and function.

- Gabrielle V..

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