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Drill Bits Proline HSS-TiN 4.8 mm, 2 pcs
Set of two Proline HSS-TiN drill bits with 4.8 mm diameter, designed for general-purpose drilling in metal, wood and some plastics. The bits feature a 135° split-point geometry with adjustable clearance for precise centering and reduced walking. Blanks are ground and finished with a titanium nitride (TiN) coating to increase wear resistance and improve hole surface quality. Working length is 52 mm and overall length 86 mm.
Titanium nitride coating extends tool life and improves cutting performance compared with uncoated high-speed steel. The 135° split-point angle with rake adjustment minimises walking and helps start holes accurately on metal surfaces. Ground flutes and balanced geometry produce cleaner holes and consistent drilling results across different materials. The 4.8 mm diameter is suitable for common pilot and fastener holes.
Clamp the appropriate Proline HSS-TiN 4.8 mm bit securely in a standard drill chuck. Use suitable cutting speed and feed for the material: lower speeds for metal, moderate speeds for wood and plastics. Apply steady pressure and keep the drill perpendicular to the workpiece. For metal drilling, use cutting fluid or lubrication to reduce heat and prolong bit life. Clear chips periodically to maintain cutting efficiency.
Store bits dry and protected to avoid corrosion. Replace bits when wear or chipping reduces hole quality. Match drill speed and lubrication to the workpiece material to maximise life of the TiN-coated HSS bits.
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| Warehouse | Stock | Delivery to the store | Store Price | |
| WH189 | 151 | 19.06.2026 Best delivery | 3.49 € Best price | |
| WH355 | 50 | 03.07.2026 | 6.49 € |
|
3.49 €
Stock:
151
Delivery Date:
19.06.2026
Best delivery
Warehouse: WH189
|
|
6.49 €
Stock:
50
Delivery Date:
03.07.2026
Warehouse: WH355
|