HSS drill bits for MT2 drilling machine from 14 to 23 mm (box of 10 pieces)
HSS drill bits for MT3 drilling machine from 24 to 31.5 mm (box of 10 pieces)
HSS drill bits for MT3/MT4 drill from 24 to 44 mm (box of 8 pieces)
Case of 170 titan coated drill bits for milling drill
A metal drill bit for a drill press is an essential cutting tool for producing accurate holes in steel, aluminium, cast iron, brass and many other metallic materials. Whether you are a professional machinist, metalworker, mechanic or workshop enthusiast, selecting the right drill bit is important for achieving consistent results, maintaining machine performance and working safely.
At Probois Machinoutils, we offer a selection of metal drill bits for drill presses designed for drilling operations in different types of metal. Our range includes high-speed steel HSS drill bits, drill bit sets and Morse taper drill bits suitable for various drilling machines and compatible milling-drilling machines.
Choosing the correct drill bit depends on several factors, including the required hole diameter, workpiece material, drilling depth, spindle speed and machine mounting system. A properly selected cutting tool helps improve drilling accuracy while reducing premature wear on the cutting edges.
HSS metal drill bits are widely used in mechanical workshops, metal fabrication and general engineering applications. HSS stands for High Speed Steel, a tool steel designed to maintain good cutting properties under the temperatures generated during machining.
HSS drill bits are suitable for many common drilling applications, including non-hardened steel, aluminium, brass and other metals compatible with their cutting characteristics.
They are available in various diameters and may be supplied individually or in drill bit sets containing multiple sizes.
To achieve satisfactory results, spindle speed should be adjusted according to the drill diameter and the material being machined. Under comparable cutting conditions, larger drill bits generally require lower rotational speeds than smaller ones.
Using an appropriate cutting lubricant when required can also help reduce heat generation, improve chip evacuation and extend tool life.
A Morse taper drill bit is particularly useful for drill presses equipped with a compatible tapered spindle socket.
Unlike straight-shank drill bits, which are generally held in a drill chuck, Morse taper drill bits can be mounted directly into the machine spindle or fitted using a suitable adapter sleeve.
This mounting system is especially useful for larger drilling tools, providing a connection designed to transmit drilling torque and withstand the axial forces generated during operation.
Morse taper drill bits are available in several standard sizes, including MT2, MT3 and MT4, also known as Morse Taper 2, Morse Taper 3 and Morse Taper 4.
Before purchasing a drill bit, it is essential to check the Morse taper size of your drill press. An MT3 drill bit cannot be fitted directly into an MT2 spindle without a suitable adaptation system, where such an arrangement is technically possible.
Keeping the tapered surfaces clean and in good condition is also important to ensure reliable tool retention and accurate drilling.
MT2, MT3 and MT4 drill bits are designed for different spindle connections and drilling requirements.
An MT2 drill bit can be used on certain drill presses and milling-drilling machines equipped with a Morse Taper 2 spindle. It is suitable for drilling operations within the technical capacity of the machine.
An MT3 drill bit is intended for machines fitted with a Morse Taper 3 spindle or compatible equipment using an appropriate adapter. This mounting system is commonly found on machines designed for more demanding drilling applications.
An MT4 drill bit features a larger Morse taper connection and is generally associated with machines offering substantial drilling capacities.
However, Morse taper size alone does not determine the drilling capacity of a machine. Motor power, spindle rigidity, available speeds, workpiece material and manufacturer recommendations must also be considered.
Where necessary, compatible reducing sleeves or other suitable adapters can be used to accommodate different Morse taper sizes, provided that the technical limitations of the complete assembly are respected.
A metal drill bit set is a practical solution for workshops that regularly perform drilling operations requiring different hole diameters.
Drill bit sets bring together several tools in an organised storage case, making it easier to identify the required size and protect the cutting edges when the tools are not in use.
Depending on the product, these sets may include HSS straight-shank drill bits, Morse taper drill bits or other configurations designed for metal drilling applications.
For mechanical workshops, having a range of drill diameters available simplifies job preparation and helps operators select the most appropriate tool for each operation.
Drill bit sets are also useful when equipping a new drill press or replacing worn tools in an existing workshop.
Before choosing a set, check the included diameters, shank type, cutting tool material and compatibility with the drill chucks or spindle connections available on your machine.
Choosing the right metal drilling tool requires consideration of both the machine specifications and the intended drilling operation.
For large-diameter holes, drilling a pilot hole may be appropriate when recommended for the drill geometry, workpiece material and drilling method.
Secure workpiece holding is equally important. A suitable machine vise or clamping system helps prevent movement during drilling and improves operational safety.
A properly used and maintained metal drill bit can retain its cutting performance for longer. Several good workshop practices help reduce premature wear and improve drilling efficiency.
It is advisable to select an appropriate spindle speed, avoid excessive feed pressure and ensure that chips can be evacuated correctly during drilling.
When required, using a suitable cutting oil or lubricant helps reduce friction and heat generation. Lubrication requirements depend on the material being machined and the cutting tool used.
A blunt drill bit can cause excessive heat, increased drilling resistance and poor hole quality. When appropriate, the tool should be resharpened using a suitable sharpening method or replaced.
Drill bits should be stored in a clean, dry environment, preferably in a dedicated case or holder that prevents the cutting edges from coming into contact with other tools.
Before starting any drilling operation, check that the drill bit and workpiece are securely mounted. Always follow the machine manufacturer's safety instructions and never attempt to remove metal chips by hand while the spindle is rotating.
Drill press bits may also be suitable for certain milling-drilling machines and other machine tools capable of performing drilling operations.
Compatibility depends primarily on the spindle type, tool mounting system, drill dimensions and technical capacity of the machine.
Straight-shank drill bits generally require a compatible drill chuck, while Morse taper drill bits must match the spindle taper or the adapter sleeve being used.
For this reason, checking the technical specifications of your machine before purchasing a new drill bit is strongly recommended, particularly for larger diameters or demanding drilling applications.
It is also important to distinguish between accessories designed for drilling and those intended for milling. Conventional drill chucks are not designed to withstand the lateral cutting forces generated during milling operations.
Specialising in woodworking and metalworking machinery, Probois Machinoutils offers a selection of tools and accessories for drilling, milling and machining applications.
In this category, you can find various metal drill bits for drill presses, including HSS drill bits, Morse taper drill bits and drill bit sets designed to complement your workshop equipment.
Whether you need drill bits for mechanical engineering, maintenance work, metal fabrication or general workshop applications, choosing tools compatible with your machine is essential for reliable results.
Explore our selection of metal drilling tools and complete your equipment with suitable drill chucks, adapter sleeves, machine vises and clamping accessories available in the other categories of Probois Machinoutils.
