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Diager HSS Step Drill 4-30 mm

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Designed to deliver precise drilling with a 118° point angle and straight flute.
- 4-30 mm drilling capacity
- Fully ground HSS construction
- 118° point angle
- Cylindrical shank
- Straight flute design
- Easy to resharpen
- Designed for drilling accuracy

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Diager HSS Step Drill 4-30 mm for Precision Multi-Diameter Drilling
The Diager HSS Step Drill 4-30 mm is a fully ground HSS step drill designed for accurate multi-diameter drilling from 4 mm to 30 mm.
Precision Multi-Diameter Drilling Applications
This step drill features a fully ground HSS construction with a 118° point angle and a straight flute. The straight flute design supports easy resharpening, while the drill is designed to provide improved drilling accuracy across multiple drilling diameters.
Diager HSS Step Drill Features and Technical Capabilities
- Fully Ground HSS: Manufactured from fully ground high-speed steel for the specified drilling applications.
- 118° Point Angle: Designed with a 118° tip angle for drilling precision.
- Straight Flute: Features a straight flute that supports easy resharpening.
- Cylindrical Shank: Designed with a cylindrical shank for compatible drilling equipment.
- Drilling Accuracy: Developed to provide accurate drilling performance.
- Multi-Step Capacity: Covers drilling diameters from 4 mm to 30 mm in one tool.
Professional Drilling Applications in Oman and the GCC
- Multi-Diameter Drilling: Designed for drilling diameters from 4 mm to 30 mm.
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.
Technical Data
| Product Name | HSS Step Drill 4-30 mm |
| Item Code | 512B |
| Drilling Capacity | 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 mm |
| Maximum Diameter | 30 mm |
| Total Length | 100 mm |
| Material | Fully ground HSS |
| Point Angle | 118° |
| Shank Type | Cylindrical shank |
| Flute Design | Straight flute |
| Key Benefit | Designed for drilling accuracy and easy resharpening |

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