Timco De-Burring Countersink - 2-5mm

This single flute countersink is designed for cleaning, chamfering, or de-burring tasks in both al...

Best current price£8.36from Power Tools Direct

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Power Tools DirectTimco De-Burring Countersink - Tube Of 1 Cs25
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B&QB&Q - TimcoDe-Burring Countersink (Size 2-5mm1 Each)
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eBayTIMCO De-Burring Countersink M2 HSS 2-5mm Pack 1
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£14.75
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Product Information

Full details

The Timco De-Burring Countersink 2-5mm is an essential precision tool for metalworkers, engineers, and DIY enthusiasts who need to clean, chamfer, or deburr holes in alloy and non-alloy materials. It offers a professional-grade finish by utilizing a specialized single-flute design for clean material removal; however, users should note it is designed for smaller holes within the 2mm to 5mm diameter range and is not intended for heavy-duty drilling operations.

All features

Model Part NumberPTDTIMCS25
BrandTIMCO

Extended Product Information

FAQs

What materials can this countersink be used on?

It is suitable for use on a wide variety of alloy and non-alloy materials, including aluminum, mild steel, and plastics.

Can I use this for drilling new holes?

No, this tool is specifically designed for deburring, chamfering, and cleaning existing holes, not for cutting new holes into solid material.

What is the maximum hole diameter it can handle?

The tool is rated for a diameter range of 2.0mm to 5.0mm.

Do I need a special chuck for the 3-flat shank?

No, the 3-flat shank is compatible with any standard drill chuck, but it provides a superior grip compared to fully cylindrical shanks.

How do I maintain the sharpness of the edge?

Keep the tool clean, store it safely, and always use cutting oil to minimize friction and heat, which are the primary causes of edge wear.

Troubleshooting

The countersink is creating a rough or uneven chamfer.

Reduce the drill speed and apply constant, light pressure. Ensure the workpiece is clamped securely to prevent vibration.

The tool is slipping inside the drill chuck.

Ensure the chuck jaws are clamping directly onto the flat surfaces of the 3-flat shank rather than the cylindrical sections.

Excessive heat build-up during use.

Use a specialized cutting fluid to lubricate the contact point and reduce the RPM of your drill to prevent overheating the steel.

Pros and Cons

Pros

  • Secure non-slip grip provided by the 3-flat shank
  • High-quality M2 grade HSS construction for durability
  • Efficient chip clearance thanks to the transverse hole design
  • Compact size ideal for precision deburring and chamfering
  • Compatible with a wide range of alloy and non-alloy materials

Cons

  • Limited to a small diameter range of 2mm to 5mm
  • Single-flute design requires a steady hand to avoid vibration
  • Not suitable for drilling large holes or thick steel plate
  • Cannot be used for heavy-duty milling applications

Setup, Compatibility & Care

To ensure optimal performance, insert the tool into a standard 3-jaw drill chuck, ensuring that the 3-flat shank is centered and tightened securely. Always use a light amount of cutting fluid or oil when working with harder alloys to prolong the life of the M2 steel and improve the finish quality. After use, wipe the tool clean of metal shavings and dust. Store the countersink in a dry environment or a dedicated tool organizer to prevent the cutting edge from dulling against other metal objects. Do not subject the tool to excessive lateral force, as the single-flute geometry is optimized for vertical deburring pressure.

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