Diager TiAlN 5% Cobalt Step Drill 4-30 mm

The Diager TiAlN 5% Cobalt Step Drill 4-30 mm is a fully ground HSS step drill with 5% cobalt and a TiAlN coating, designed for accurate multi-diameter drilling in sheet metal, stainless steel, cast iron, and other thin materials.

Precision Drilling for Stainless Steel and Thin Materials

This step drill combines fully ground HSS 5% cobalt construction with a TiAlN coating to provide excellent heat resistance and reduced wear. It features a 118° point angle, helicoidal flute, and three-flat shank to support drilling accuracy and optimum chuck clamping across drilling diameters from 4 mm to 30 mm.

Diager TiAlN 5% Cobalt Step Drill Features and Technical Capabilities

• HSS 5% Cobalt Construction: Manufactured from fully ground HSS containing 5% cobalt for the specified drilling applications.
• TiAlN Coating: Provides excellent heat resistance and helps limit wear during drilling.
• 118° Point Angle: Designed with a 118° tip angle to support drilling accuracy.
• Helicoidal Flute: Features a helicoidal flute design for the specified drilling applications.
• Three-Flat Shank: Provides optimum clamping in the drill chuck.
• Long Service Life: Designed to deliver extended operational life.
• Heating Resistance: Developed to provide excellent resistance to overheating.
• Multi-Step Capacity: Covers drilling diameters from 4 mm to 30 mm in one tool.

Metal Drilling Applications in Oman and the GCC

• Sheet Metal Drilling: Ideal for drilling sheet metal.
• Stainless Steel Drilling: Designed for drilling stainless steel.
• Cast Iron Drilling: Suitable for drilling cast iron.
• Thin Material Drilling: Intended for drilling thin materials.

Diager Step Drills – Available Through iBuild in Oman

As an authorised technical partner for Diager products in Oman, iBuild provides genuine engineering-grade drilling solutions for specification-driven construction and industrial applications.

Customers benefit from local availability, technical expertise, and lifecycle support to help maintain operational reliability throughout the product lifecycle.