Bosch Countersink bits Arbor-mounted for brad point drill bits - 4mm

The Arbour-mounted Countersink efficiently drills, countersinks and deburrs in one step in wood. M...

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AmazonBosch Accessories 2608585738 Countersink Bit, 4mm x 16mm, Blue
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Product Information

Full details

This Bosch Professional Arbor-mounted Countersink bit is for woodworkers and DIY enthusiasts needing to efficiently drill, countersink, and deburr holes in a single operation. Its key benefit is saving time and effort by combining three tasks into one, achieving proficient results on various wood materials. A caveat is that it requires a separate brad point drill bit for operation, as it is not included.

All features

Model Part Number2608585738
BrandBosch

Extended Product Information

FAQs

Is a brad point drill bit included with this countersink bit?

No, the brad point drill bit is not included with the arbor-mounted countersink bit. It must be purchased separately.

What is the countersink angle?

The countersink angle is 90 degrees.

Can this be used on metal?

No, this countersink bit is designed specifically for use on wood and wood-based materials like chipboard and plywood.

How do I adjust the depth stop function?

The countersink bit itself acts as the depth stop when mounted on the drill bit. The depth is controlled by how far the brad point drill bit is inserted into the material before drilling commences.

What is the outer diameter of the countersink?

The outer diameter of this countersink bit is 16mm.

How many cutting edges does this bit have?

This countersink bit has five cutting edges.

What type of drill is required?

It is intended for use in drill stands and drill drivers.

Troubleshooting

Bit wobbles during use

Ensure the countersink bit is securely tightened onto the brad point drill bit using the hexagon pin key. Verify the brad point drill bit is properly secured in the drill chuck.

Poor countersink depth or finish

Check that the brad point drill bit is of the correct size for the hole required. Ensure the countersink is not worn out and is the appropriate tool for the material. Verify you are not drilling too fast for the material.

Bit gets stuck or binds

Reduce drilling speed and apply steady pressure. Ensure the material is properly supported. Clean the cutting edges for optimal performance.

Pros and Cons

Pros

  • Streamlines woodworking tasks by performing drilling, countersinking, and deburring simultaneously.
  • Achieves proficient and clean results on a variety of wood-based materials.
  • Durable construction ensures a long service life.
  • Can also be used as a depth stop for controlled drilling.
  • Efficient material removal due to five cutting edges.

Cons

  • Brad point drill bit is not included and must be purchased separately.
  • Requires a drill stand or drill driver for operation.
  • Not designed for metal or other non-wood materials.
  • May require practice to achieve perfect results on the first try.

Setup, Compatibility & Care

Setup:

  1. Ensure you have a compatible brad point drill bit (not included).
  2. Securely attach the arbor-mounted countersink bit onto the shank of the brad point drill bit.
  3. Tighten the set screw on the countersink using the provided hexagon pin key to fix it in place.
  4. Mount the assembled drill bit into your drill stand or drill driver chuck.

Compatibility:

  • Drill Type: Compatible with standard drill stands and drill drivers.
  • Drill Bit: Requires a brad point drill bit (diameter must match the countersink's arbor).
  • Materials: Suitable for hard and soft wood, laminated and non-laminated chipboard, and plywood.

Care:

  • After use, clean any wood dust or debris from the cutting edges and arbor.
  • Store in a dry place to prevent rust.
  • Inspect regularly for wear or damage to the cutting edges.

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