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Drill bit set IRWIN 10502276 10 pcs 4.5 mm
The IRWIN 10502276 drill bit set contains 10 precision-ground bits with a 4.5 mm diameter, manufactured to DIN 338 standards. Each bit has a cylindrical shank and is supplied in a Quadro Pack for convenient storage and transport. The universal 118° point and ground flutes provide accurate centring, fast chip removal and a clean finish across a wide range of materials.
Precision ground cutting edges ensure efficient drilling and consistent hole quality. The 118° universal point shape reduces walking and is suitable for diverse materials. Ground flutes improve chip evacuation and accuracy, while the cylindrical shank guarantees compatibility with standard chucks. Packaging in a Quadro Pack protects the bits and simplifies handling.
Select a suitable drilling speed and clamp the workpiece securely. Fit the 4.5 mm Irwin drill bit into the drill chuck, ensuring the cylindrical shank is seated straight. Start drilling with steady, moderate pressure; allow the bit to clear chips regularly to maintain cutting performance and prevent overheating. Use cutting fluid when drilling metals to extend bit life and improve finish.
For best results, match drill speed to the material: higher speeds for wood and plastics, lower speeds for harder metals. Replace bits that show excessive wear or chipping to preserve hole quality and safety.
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