Countersinks

Countersinks for clean chamfers and accurate finishing

A good countersink helps you produce clean screw seats, remove burrs and finish drilled holes with a more precise, professional result. In this selection you will find 90° countersinks in common sizes as well as ready-made sets that make it easy to cover several hole diameters with one purchase.

The range is especially suitable when you want reliable cutting in workshop, maintenance and general metalworking tasks. A quality countersink also helps reduce chatter and improves surface finish, which is important when appearance and fit both matter.

How to choose the right countersink

Start by checking the angle and diameter range you need. For most standard screw seating and chamfering work, a 90° countersink is the right choice. If you regularly work with several hole sizes, a set is often the most practical option and gives better readiness for daily use.

Single countersinks are a good fit when you already know the exact diameter you need, such as 6.3 mm, 8.3 mm, 10.4 mm or larger sizes up to 31 mm. Sets are a strong choice for workshops that want fast tool changes and a compact starter selection.

Single countersinks or sets?

Single tools are ideal for repeated production of the same hole size or when replacing a worn tool in an existing setup.

Sets are a convenient choice for installation, repair and general workshop use, where the required diameter can vary from job to job. They also make it easier to build a practical starter kit without buying each size separately.

Tool material and cutting performance

Several products in this range use HSS-Xe with Blue-Tec coating. This combination is a strong choice for demanding use, offering dependable cutting performance and good tool life. Unequal pitch designs also help reduce vibration and cutting forces, which supports smoother operation and a better surface finish.

When choosing between alternatives, consider the material being machined, how often the tool will be used and whether you value maximum flexibility or a dedicated size for repeat work.

Typical applications

These countersinks are commonly used for:

• screw head seating
• chamfering drilled holes
• deburring sharp edges
• improving hole finish before assembly
• general metalworking and maintenance tasks

A properly selected countersink helps the finished part fit better and look cleaner, while also reducing extra hand-finishing work.

Buying support and delivery

We stock tooling for practical workshop needs and help customers choose suitable products for their machining work. If you are comparing a single countersink with a set, or want guidance on size selection, our skilled staff can help.

Shipments are sent from Finland, and in-stock products are normally delivered in 2–4 business days depending on destination. Check the product details for current availability before ordering.