Adjustable Countersink Drill Bits for Wood KD10559 KRAFT&DELE
Key information
Availability:In stock (ready to ship)
Shipping time:immediately
Shipping cost:From 3.28 Euro
catalog number:KD10559
Availability:
EAN code:5903957002415
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,14 kg
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Adjustable HSS Countersink Drill Bits for Wood – Set of 4 KD10559
A set of four high-speed steel (HSS) drill bits with adjustable countersinks, designed for pilot-drilling holes for countersunk screws in wood and plastics. The bits are ground, which ensures consistent cutting-edge geometry and stable performance at high speeds.
Set features
Adjustable countersink
The countersink is secured to the drill bit with a grub screw rather than being fixed permanently. This allows the countersink depth to be set precisely for a specific screw type and lets you replace the drill bit itself once it becomes blunt, without having to replace the whole tool.
Drilling and countersinking in one pass
The design of the tool allows the pilot hole for the screw shank and the tapered countersink for the countersunk head to be produced in a single operation. This shortens working time and removes the need for two separate tools.
Ground HSS steel
High-speed steel (HSS) retains its hardness and cutting edge at elevated temperatures, which matters when working at higher speeds. Grinding rather than turning translates into more accurate cutting-edge geometry and consistent cutting.
Four sizes in one set
The set comprises drill bits of 3, 4, 5 and 6 mm diameter, covering the most commonly used wood screw sizes (No. 4 to No. 10). Each bit is a different length matched to its diameter, giving the tool the right rigidity.
Technical specification
| Model | KD10559 |
| Drill bit material | High-speed steel (HSS) |
| Manufacturing method | Grinding |
| Number of drill bits in the set | 4 |
| Drill bit 1 | 3 mm × 60 mm |
| Drill bit 2 | 4 mm × 75 mm |
| Drill bit 3 | 5 mm × 85 mm |
| Drill bit 4 | 6 mm × 93 mm |
| Countersink attachment | Grub screw (adjusted with a hex key) |
| Workpiece materials | Wood, plastics |
| Application | Holes for countersunk screws |
| Certification | CE, Declaration of Conformity |
| Package contents | 4 drill bits with countersinks, hex key |
Applications
- Fitting hinges, handles and furniture fittings secured with countersunk screws
- Joining timber components in joinery and carpentry
- Finishing work where the screw head must sit flush
- Fitting timber battens, panels and cladding
- DIY furniture making and timber construction
- Drilling plastics that require countersinking
- Repairing and renovating wooden furniture
Matching drill bit size to screw size
The drill bit diameter is matched to the screw shank (not the head). The 3 mm bit is typically used for No. 4–5 screws, the 4 mm bit for No. 6–7 screws, the 5 mm bit for No. 8 screws and the 6 mm bit for No. 10 screws. Set the countersink depth so that the screw head sits flush with the workpiece surface or slightly below it.
Use and maintenance
Before first use, set the countersink to the required depth and tighten the grub screw with the hex key supplied. It is advisable to test-drill on a piece of scrap material to check the setting. HSS drill bits are designed for use in an electric drill or a variable-speed drill driver — running them too fast without adequate feed can accelerate edge wear.
After use, clean chips and sawdust off the drill bits and store them in a dry place. When a drill bit becomes blunt, it can be replaced without dismantling the countersink: simply loosen the grub screw, slide the bit out and fit a new one.
Commercial information
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Client: To...ak,date of purchase 17-07-2026 11:56
Client: Ja...la,date of purchase 26-02-2026 13:53
