


This HSS 4241 Groove Step Drill Bit with 6-60mm drilling range is a high-performance industrial drilling tool designed for precision metal working. Made of premium high speed steel 4241 material, it delivers excellent hardness, wear resistance and durability for long-term heavy-duty drilling operations. The stepped groove design allows one-bit multi-size hole drilling, eliminating the need for multiple drill bits and improving work efficiency.
| Parameter | Value |
|---|---|
| Material | HSS 4241 High Speed Steel |
| Drilling Range | 6mm - 60mm |
| Type | Groove Step Drill Bit |
| Shank Type | Straight Shank |
| Surface Treatment | Polished |
| Compatible Materials | Steel, aluminum, copper, plastic, wood |
This HSS step drill bit is widely used in metal fabrication, industrial maintenance, automotive repair, electrical installation, HVAC duct work, and general construction. It is ideal for drilling holes in sheet metal, aluminum profiles, plastic panels, wooden boards and other materials, suitable for both professional industrial users and DIY enthusiasts.
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