Bosch Flat Hex Head Drill Bit - 22mm

The Bosch Flat Hex Head Drill Bit is designed for efficient drilling in hardwood, softwood, and li...

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OnBuy.comBosch (18Mm, Grey) Flat Hex Head Drill Bit
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The RangeBosch Flat Hex Head Drill Bit - Grey / 1
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B&QB&Q - Flat Hex Head Drill Bit Grey (18mm)
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DebenhamsBosch Unisex Grey Flat Hex Head Drill Bit 32Mm In
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Product Information

Full details

The Bosch Flat Hex Head Drill Bit is designed for professional carpenters, woodworkers, and DIY enthusiasts who require clean, fast, and accurate holes in timber and plasterboard. Its primary benefit is a specialized design that drills up to 5x faster than conventional spade bits, though users should note it is optimized for wood and soft building materials rather than metal or masonry.

All features

Model Part Number2608587584
BrandBosch

Extended Product Information

FAQs

Can I use this bit for metal?

No, this bit is designed specifically for wood and light building materials like plasterboard.

What is the primary advantage of the hex shank?

The hex shank provides a positive, non-slip fit in drill chucks, which is critical for high-torque applications.

Does this bit require a special drill?

No, it works with most standard cordless or corded drills.

Why is this bit faster than my old spade bit?

The Bosch flat bit features a unique precision-ground geometry that clears chips more efficiently, allowing for higher cutting speeds.

Can I sharpen this bit myself?

While technically possible, it is recommended to use a professional sharpening service to preserve the precision-ground tip geometry.

Troubleshooting

Bit wandering during start of hole

Use a center punch to create a small pilot dimple before starting the drill.

Excessive splintering at exit hole

Reduce pressure as you break through the back side or use a sacrificial backing board.

Bit slipping in the chuck

Ensure the hex shank is fully seated in the chuck and tightened securely.

Pros and Cons

Pros

  • Significantly faster drilling speeds than standard bits
  • High dimensional accuracy for precise holes
  • Secure hex shank prevents chuck slippage
  • Durable construction for reliable repeated use

Cons

  • Not suitable for drilling into metal or masonry
  • Requires proper centering to avoid wandering on hard materials
  • Fast cutting speed may cause splintering in thin veneers without a backing board

Setup, Compatibility & Care

To ensure optimal performance, insert the hex shank fully into your drill’s chuck and tighten firmly to ensure no wobble. This bit is compatible with most standard power drills and impact drivers equipped with a three-jaw chuck or 1/4-inch hex bit holder.

Care Instructions:

  1. Periodically check the tip for debris or resin buildup; clean with a wire brush if necessary.
  2. Do not overheat the bit by pushing too hard; allow the cutting geometry to do the work.
  3. Store in a dry environment to prevent corrosion.
  4. If the bit becomes dull, it should be sharpened by a professional to maintain the specific tip profile.

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