HSS Step Drill Bit Set
High-speed steel step drill bit set designed for drilling holes of various sizes in thin materials. Each bit features a stepped design, allowing for multiple hole sizes to be created with a single bit.




Technical Specifications
Product Overview
High-Performance Step Drill Bits
This versatile step drill bit set is engineered for precision drilling across a wide range of materials, including aluminum, iron, carbon steel, stainless steel, and plastic. Featuring a fully ground process and durable high-speed steel construction, these bits allow for multiple hole sizes to be created with a single tool, significantly improving efficiency in electrical, plumbing, and automotive applications. The set is available in various material grades and surface treatments to suit specific industrial requirements.
Technical Specifications
Surface Treatment
Shank Options
- Round Shank
- Three-Side Shank
- Hex Shank
- Hex Shank With a Step
- Material Grades
- HSS 4241HSS 4341HSS 9341M2M35M42
- Flute Type
- Straight Flute, Spiral Flute
Performance Capabilities
Compatible Materials
- Aluminum
- Iron
- Carbon Steel
- Stainless Steel
- Plastic
Material Capacity Guide
| Material Grade | Max Drilling Capacity | Compatible Materials |
|---|---|---|
| HSS4241 | 2mm - 5mm | Aluminum, Iron, Plastic |
| HSS6542/M2 | 5mm | Aluminum, Iron, Carbon Steel, Plastic |
| HSSCO/M35 | 5mm | Aluminum, Iron, Carbon Steel, Stainless Steel, Plastic |



