Countersinks and Counterbores

A countersink, also known as a counterbore or countersinking bit, is a tool used to create a conical recess or countersink on the surface of a material, typically metal, wood, or plastic. This recess is often applied to the top of a hole that has been previously drilled or milled. The countersink creates a flattened opening around the hole, often with a specific angle, and is widely used in various applications.

The main applications and functions of a countersink are:

• Preventing Splitting: A countersink is used to flatten the edges of a drilled hole, which helps prevent the material from splitting when a screw, bolt, or nail is inserted.

• Screwing and Bolting: By creating a countersink, screws and bolts can be placed evenly in the material, resulting in a flat surface where the screw or bolt head is flush with or slightly below the surface.

• Aesthetics: A countersink provides a neat finish and a professional appearance, especially in woodworking and metalworking, where looks are important.

• Deburring: Using a countersink helps remove burrs and sharp edges at the top of a hole, which improves safety and creates a smooth surface.

• Hiding Fasteners: In certain applications, countersinks can be used to hide fasteners such as screws, resulting in a smooth surface after the material is finished.

Professional Countersinks for Woodworking

At Veldman Slijptechniek, you'll find a large assortment of high-quality countersinks. From standard countersinks to plug-in countersinks for dowel and through-hole drill bits, we supply it all at the most competitive prices!

Not sure which countersink is suitable for your project or CNC milling machine? Our expert team is ready to advise you on choosing the right countersink for your project. Contact us today for personalized advice or a custom quote.