1/4"-3/4" Step Drill Bit for Metal, Four Spiral Flute M35 Cobalt Drill Bit, 1/4" Hex Shank Quick Change Unibit Step Bits for Stainless Steel, Copper, Aluminum, Wood, Plastic
- 【9 Step Sizes】9 sizes available: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4", catering to diverse drilling needs.
- 【4 Spiral Flutes】The four-flute design ensures faster, smoother cutting—effortless like slicing through butter.
- 【M35 Cobalt High-Speed Steel】Ideal for drilling stainless steel, hardened metals, low-carbon steel, galvanized steel, aluminum, copper, plastic, wood, and materials with similar or lower hardness. Capable of handling stainless steel up to 1/8" (3mm) thick.
- 【TiAIN Coating】Featuring a surface hardness of 89HRC, it enables cutting harder materials and supports higher cutting speeds.
- 【Continuous Operation】Polished steps and clearly visible size markings allow you to see the target hole size during drilling, eliminating the need to stop and check, saving time and effort.
Estimated shipping
Select a product to estimate shipping.These Luxbaro step drill bits are a versatile addition to any workshop, offering precision and efficiency for a wide range of drilling tasks. They’re designed for professionals and hobbyists alike who need reliable tools for metal, plastic, wood, and more.
Key Highlights
- Nine Step Sizes: Provides nine distinct hole sizes (1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4") to accommodate various projects.
- Smooth Cutting Action: The four spiral flute design promotes faster and smoother material removal.
- Durable Cobalt Steel: Constructed from M35 cobalt steel, suitable for drilling stainless steel, aluminum, copper, and other metals.
- Clear Visibility: Polished steps and size markings allow you to monitor the drilling process and achieve accurate hole sizes.
- High Hardness Coating: The TiAIN coating enhances durability and allows for higher cutting speeds on challenging materials.
Useful Facts
- Material: Cobalt Steel
- Cutting Diameter: 6.35 millimeters (approximately 1/4 inch)
- Coating: Titanium Aluminum Nitride (TiAIN) – Surface Hardness 89HRC
- Shank Type: Hex Shank
- Brand: Luxbaro
Good Fit For
- Metalworking projects
- Plastic fabrication
- Woodworking
- DIY enthusiasts
- Model building
Product details



Especificacions
| Main Specification | |
|---|---|
| Recomanació de superfície | Fusta, Metall, Plàstic |
| Fabricant | LuxbaroCity name (optional, probably does not need a translation) |
| Comptador d' unitats | 1 Compte |
| Slit Diametre | 6, 35 mil· límetres |
| Tipus de Shank | Hex |
| Tipus de Flauta d' eina | Espiral |
| Marca | LuxbaroCity name (optional, probably does not need a translation) |
| Components inclosos | Step Drill Bit |
| Nombre de peces | 1 |
| Material | Cobalt Steel |
| Tipus d' acabat | Titani Alumumumumi Nitride |
| Product information | |
|---|---|
| Nombre de paquets | 1 |
| Technical Details | |
|---|---|
| Número de " part " | 1/4-3/4 |
| Model | 1/4-3/4 |
| Tipus de material | Cobalt Steel |
| Nombre de Flates | 4 |
| Style | |
|---|---|
| Tipus d' acabat | Titani Alumumumumi Nitride |
| Altres | |
|---|---|
| Tipus de producte | Step Drill Bits |
| Etiquetes | |
|---|---|
| Etiquetes | |











