Precision-max Step Point 4.0mm Hss Drill Ind. 1pce
SKU: DR90040
R 40.02
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Additional details
Specifications
Values
Precision-max Step Point 4.0mm Hss Drill Ind. 1pce
R 40.02
R 40.02
Product description
Tork Craft Precision-Max Step Point Drill — 4.0 mm HSS (1 Piece)
Engineered for accurate holes and reliable starts, this 4.0 mm high-speed steel (HSS) step-point bit features self-centering geometry to reduce walking. Ideal for mild steel, aluminium, plastics, and thin sheet materials where precision entry is key.
Features
Features
- 4.0 mm diameter — suitable for larger pilot holes and small fasteners.
- Step-point tip — self-centering design for reduced wander and clean entries.
- HSS construction — strikes balance between toughness and wear resistance.
- Straight shank — compatible with standard 3-jaw chucks.
- Single-bit packaging — ideal for replacements or occasional use.
Benefits
- Cleaner starts: step-point geometry helps produce balanced, burr-minimized entries.
- Improved control: self-centering tip reduces need for pilot punches.
- Versatility: effective in metals, plastics, laminates and composite materials.
- Efficiency: direct start reduces setup errors, especially in tight or delicate assemblies.
Specifications
Specifications
| Description | Spec |
|---|---|
| Brand | Tork Craft |
| Model / SKU | DR90040 |
| Product Type | Precision-Max Step Point HSS Drill Bit |
| Diameter | 4.0 mm |
| Pieces in Pack | 1 |
| Material | High Speed Steel (HSS) |
| Point Geometry | Step-point / self-centering |
| Shank Type | Straight (3-jaw chuck compatible) |
| Suitable Materials | Mild steel, aluminium, plastics, thin sheet |
| Typical Uses | Pilot holes, fastener clearance, finish drilling |
Extra Info
Extra Information
- Apply cutting fluid when drilling ferrous metals to extend bit life and improve surface finish.
- Back up thin sheet materials with scrap to reduce exit breakout.
- Use steady feed rates and avoid sudden force that can deviate or break the bit.
Pro Tip
- Peck drill (withdraw bit periodically) in deeper holes to clear chips and control heat buildup.
- Rotate new bits among your workload to spread wear evenly and maintain consistent hole quality.
Safety
Safety
- Wear eye protection — chips, shards, or swarf may eject during drilling.
- Secure your workpiece firmly; never hold by hand when drilling.
- Do not force the tool; apply smooth, consistent feed pressure.
- Manage tool speed, cooling and breaks to avoid overheating the bit or workpiece.
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