XRTOOLS 4241 Step Drill Bit – Straight Flute, Multi-Diameter for Metal, Plastic & Wood
Inch Size Spiral Step Drill Bit – TiN Coated HSS, 3-Flat Shank, for Stainless Steel and Plastic
The XRTOOLS 4241 Step Drill Bit is an essential drilling tool designed for fast, efficient, and clean hole creation in thin materials such as sheet metal, plastic, aluminum, plywood, and PVC. Made from durable 4241 high-speed steel, this bit is built for general-purpose use, providing excellent value for DIY enthusiasts, electricians, HVAC installers, and workshop users across U.S. and Russian markets.
Featuring a classic straight flute design, this step bit offers stable drilling, consistent chip removal, and easy resharpening. It's ideal for everyday use where spiral flutes are not required and cost-performance is a top priority.
Real-World Applications
| Industry / User |
Application Details |
| Electricians |
Enlarge conduit knockout holes in junction boxes, switchboards, or panels |
| HVAC Technicians |
Drill mounting holes in ductwork or lightweight aluminum HVAC components |
| Plumbers |
Create entry holes in PVC or plastic drain lines |
| DIY & Homeowners |
Make holes for wall anchors, planter drainage, or plastic sheet installations |
| Auto Mechanics |
Expand holes in car body panels, clips, or sheet metal components |
| Workshops & Hobbyists |
General hole cutting in aluminum sheet, Plexiglas, wood composites, etc. |
Product Specifications
| Parameter |
Details |
| Material |
HSS 4241 |
| Flute Design |
Straight Flute – Traditional & Stable |
| Step Sizes (Metric) |
4–12mm / 4–20mm / 4–32mm (e.g., 2mm increment per step) |
| Step Sizes (Inch) |
1/8" – 1/2", 3/16" – 3/4", 1/4" – 1-3/8" (varies by model) |
| Number of Steps |
5, 9, or 13 steps depending on bit size |
| Tip Angle |
118° Standard Point |
| Shank Type |
Round / 3-Flat / 1/4" Hex – Compatible with 3/8" or 13mm drills |
| Markings |
Laser-etched or engraved size indicators |
| Max Cutting Thickness |
Recommended up to 3mm for metal, 5mm for plastic/wood |
Packaging Options
Single Retail Pack: Transparent tube or blister card with barcode
Multi-Size Kits: 3pcs / 5pcs in zippered pouch or plastic box (e.g. 4–12 / 4–20 / 4–32 mm)
Bulk Orders: 10 / 25 pcs per size, suitable for wholesale and distributors
OEM Services: Custom logo engraving, bilingual packaging (EN + RU), brand labeling available
Why Choose XRTOOLS 4241 Step Drill Bits?
1.Cost-effective for light to medium-duty drilling tasks
2.Straight flute design offers easy handling for general-purpose use
3. Designed for soft metals, wood, plastic, PVC, aluminum
4.Fits both U.S. and Russian tool systems (imperial + metric)
5.Flexible packaging & private label support for resellers or tool brands
Product Tags:
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HSS Spiral Drill Bit TiN Coated 3 Flat Shank For Plastic Images
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