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Power Tools Direct£1.01Visit shop Bosch 2608577166 Hss Pointteq Twist Metal Drill Bit 5.5Mm
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This 19-piece Bosch HSS Twist Drill Bit PointTeQ Set is designed for professionals and serious DIYers who need efficient and durable metal drilling. The key benefit is the PoinTeQ tip, which ensures faster drilling, accurate starts with self-centering, and increased longevity, reducing heat and wear. A potential caveat is that while highly elastic for reduced breakage, smaller bits (below 6mm) still require careful handling to prevent snapping under excessive force.
| Model Part Number | 2 608 577 351 |
|---|---|
| Brand | Bosch |
These HSS Twist Drill Bits are primarily designed for drilling into various metals, including alloyed and non-alloyed steel, cast steel, cast iron, non-ferrous metals, and plastics. They are not optimized for wood or masonry.
The PoinTeQ tip is designed to enable faster drilling, provide a quick and accurate self-centering start without wandering, and increase the overall durability and sharpness of the drill bit.
These smaller bits are manufactured with a highly elastic body, which allows them to flex slightly under stress, reducing the likelihood of snapping compared to less flexible bits.
Use appropriate drilling speeds, apply cutting fluid or lubricant when drilling metal, ensure the flutes are clear of chips, and store the bits properly after cleaning them.
DIN 338 is a German Institute for Standardization specification that these drill bits conform to, indicating they meet specific quality and dimensional standards for twist drill bits.
Yes, as long as your cordless drill has a chuck that can securely grip the cylindrical shank of the drill bit. For best results and safety, use a drill driver or drill stand.
After use, clean away metal filings with a brush or cloth. Store them in the provided hanging box to protect them. A light coat of oil can help prevent rust if stored in humid conditions.
Ensure the self-centering tip is properly seated and that you are applying firm, consistent pressure at the start of drilling. For very hard surfaces, consider a center punch mark to guide the initial penetration.
Check if the drill speed is appropriate for the material. Ensure the flute is clear of chips. Apply cutting fluid or lubricant. Verify the drill bit is sharp; if not, consider replacing it.
Reduce drilling pressure, especially with smaller diameter bits. Ensure the bit is perpendicular to the surface. Check for binding or obstructions in the hole. Use a lubricant to ease the cutting action.
Ensure the flute is adequately clearing chips. Slow down the drilling speed slightly. Use a lubricant. For very clean holes, consider a follow-up reaming operation.
Setup: Ensure your drill driver or drill stand chuck is clean and free of debris. Insert the cylindrical shank of the drill bit securely into the chuck, tightening it firmly to prevent slippage. For best results, use appropriate drilling speeds recommended for HSS bits and the specific metal being drilled. Always use a cutting fluid or lubricant when drilling metal to further reduce heat and improve performance.
Compatibility: These drill bits are designed for use with standard drill drivers and drill stands featuring a chuck capable of gripping cylindrical shanks. They are suitable for drilling in a wide range of metals, including steel (alloyed and non-alloyed), cast iron, cast steel, non-ferrous metals, and plastics. Avoid using these bits for masonry or wood, as they are not optimized for those materials.
Care: After use, clean any metal filings or debris from the drill bits using a brush or cloth. Store the bits in their original hanging box to protect them from damage and corrosion. Periodically inspect the bits for wear or damage. Applying a light coating of oil can help prevent rust, especially if stored in a humid environment. Ensure bits are kept dry when not in use.
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