![[DWC] — SD01H5-020 Step Drill](https://img.prosourcemro.com/2026/05/1252557-1.jpg)
Step Drills
DWC
[DWC] — SD01H5-020 Step Drill
Family ID: 338-0864
DWC SD01H5-020 Step Drill is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like this are widely used in sheet metal fabrication, electrical panel work, and HVAC installations where clean, burr-free holes of varying diameters are needed without tool changes. Request a quote today for export-ready supply of DWC cutting tools at competitive pricing through a KITA-registered Korean exporter.
10 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 338-0864 | SD01H5-020 | DWC | M2*90° | Spec: 2 | Overall Length: 45 | d1: 2.2 | d2: 4.6 | Shank Diameter: 4 | Small Diameter Length: 6 | ||
| 338-0873 | SD01H5-025 | DWC | M2.5*90° | Spec: 2.5 | Overall Length: 45 | d1: 2.7 | d2: 5.7 | Shank Diameter: 5 | Small Diameter Length: 7 | ||
| 338-0882 | SD01H5-030 | DWC | M3*90° | Spec: 3 | Overall Length: 45 | d1: 3.2 | d2: 6.5 | Shank Diameter: 6 | Small Diameter Length: 9 | ||
| 338-0891 | SD01H5-035 | DWC | M3.5*90° | Spec: 3.5 | Overall Length: 50 | d1: 3.7 | d2: 7.6 | Shank Diameter: 7 | Small Diameter Length: 10 | ||
| 338-0907 | SD01H5-040 | DWC | M4*90° | Spec: 4 | Overall Length: 50 | d1: 4.3 | d2: 8.6 | Shank Diameter: 8 | Small Diameter Length: 11 | ||
| 338-0916 | SD01H5-050 | DWC | M5*90° | Spec: 5 | Overall Length: 55 | d1: 5.3 | d2: 10.4 | Shank Diameter: 10 | Small Diameter Length: 13 | ||
| 338-0925 | SD01H5-060 | DWC | M6*90° | Spec: 6 | Overall Length: 63 | d1: 6.4 | d2: 12.4 | Shank Diameter: 10 | Small Diameter Length: 15 | ||
| 338-0934 | SD01H5-080 | DWC | M8*90° | Spec: 8 | Overall Length: 100 | d1: 8.4 | d2: 16.4 | Shank Diameter: 12 | Small Diameter Length: 19 | ||
| 338-0943 | SD01H5-100 | DWC | M10*90° | Spec: 10 | Overall Length: 110 | d1: 10.5 | d2: 20.4 | Shank Diameter: 12 | Small Diameter Length: 23 | ||
| 338-0952 | SD01H5-120 | DWC | M12*90° | Spec: 12 | Overall Length: 120 | d1: 13.0 | d2: 25.0 | Shank Diameter: 12 | Small Diameter Length: 28 |
