Product Group Page - Steelbor / Countersinks & Multisinks

Steelbor Countersinks & MultiSinks are used to cut accurate angled seats around drilled or broached holes in metal. This allows countersunk fixings to sit correctly and helps create a clean chamfered edge around the hole.

A drilled hole is not always ready for assembly. Burrs, sharp edges or an unfinished fixing seat can slow the job down and affect how the fixing sits. The correct countersink gives a cleaner, more controlled result than manual finishing.

The range includes Weldon shank countersinks, TCT countersinks, ULTRA countersinks, GoldMax countersinks and MultiSink options. Used with compatible magnetic drilling machines and Weldon shank tooling, they help complete connection holes with a more accurate finish.

There are 4 Product Groups within this Product Family

HSS Countersink

Steelbor HSS Countersinks are used to cut clean angled seats and chamfers around drilled or broached holes in metal. They help prepare holes so countersunk fixings can sit correctly and sharp edges can be removed in a controlled way.

This is useful after magnetic drilling, where the hole may still need a finished edge before assembly. The HSS construction makes this family a practical option for general countersinking work in steel and fabrication applications.

Used with compatible magnetic drilling machines and Weldon shank setups, Steelbor HSS Countersinks help users complete connection holes cleanly, with less manual finishing and a more consistent result.

MultiSink

Steelbor MultiSink tools are used to combine broaching and countersinking into one machine setup. They help users create a hole and prepare the countersunk seat without moving to a separate finishing process.

This is useful when repeated fixing holes need to be drilled and countersunk accurately. Changing tools after every hole can slow the job down. MultiSink helps reduce those extra steps while keeping the work within the magnetic drilling system.

The range includes TCT MultiSink and ULTRA MultiSink options. Used with compatible Steelbor cutters, pilots and magnet drills, MultiSink helps users complete connection holes faster, with a cleaner finished seat for countersunk fixings.

TCT Countersink

Steelbor TCT Countersinks are used for countersinking and chamfering holes in tougher metal applications. They cut an angled seat around the hole, helping countersunk fixings sit correctly and reducing the need for manual edge finishing.

Tungsten carbide tipped construction makes this family suitable where extra cutting performance is needed compared with general HSS countersinking. This is useful in fabrication, site drilling and workshop applications where hole finish and durability matter.

Used with compatible magnetic drilling machines and Weldon shank tooling, Steelbor TCT Countersinks help users finish connection holes more efficiently and produce a cleaner, more controlled countersink.

Ultra Countersink

Steelbor ULTRA Countersinks are used for demanding countersinking and chamfering applications in metal. They are designed for users who need a higher-performance option when standard countersinks may not be suitable for the material or workload.

A drilled or broached hole often needs a controlled angled seat before the fixing can be fitted. ULTRA Countersinks help create that seat cleanly, while also reducing burrs and improving the finished edge around the hole.

Used with compatible magnetic drilling machines and Weldon shank setups, Steelbor ULTRA Countersinks support accurate finishing on tougher applications and help complete connection holes as part of the Steelbor system.