► Bordo | Slot Drills

For Accurate Steel Alloy & Stainless Milling

Bordo slot drills are designed for machinists fabricators engineers & workshop professionals who demand clean accurate milling performance across steel stainless steel aluminium & non-ferrous materials.

Whether you're machining keyways cutting slots creating pockets or performing plunge milling operations Bordo slot drills deliver the cutting precision durability & reliability needed for demanding Australian workshop environments.

Suitable for both manual milling machines & CNC machining centres this collection includes a wide range of HSS cobalt slot drills short series cutters long series cutters & ball nose slot drills for everything from general fabrication through to precision engineering applications.

Workshops looking to improve machining consistency often combine their cutter setup with quality Drill Accessories & reliable Fabrication Tools & Workholding to improve rigidity cutter life & machining accuracy.

For machinists wanting to improve tooling knowledge feed rates & workshop setup efficiency our guide on The Tradies Guide To Drill Bits provides practical insights for Australian fabrication & machining environments.

Why Choose Bordo Slot Drills?

Bordo has earned a strong reputation in Australian workshops for producing dependable industrial cutting tools that perform consistently under pressure. Designed for trade & industrial use Bordo slot drills are engineered for:

• Excellent chip evacuation

• Clean plunge cutting

• Strong cutting performance in steel & stainless

• Reduced chatter & deflection

• Improved cutter stability

• Longer service life with correct feeds & speeds

• Reliable machining accuracy

Unlike standard end mills slot drills are centre cutting which allows them to plunge directly into the material before moving laterally through the workpiece. This makes them ideal for machining slots grooves recesses pockets & keyways with greater control & cleaner finishes.

For fabrication workshops regularly machining structural steel or heavy material sections pairing these cutters with professional-grade Metal Cutting & Grinding Tools can help improve productivity finishing consistency & workshop efficiency.

HSS Cobalt Slot Drills for Tougher Materials

Many cutters in this collection feature HSS-Co8 cobalt construction making them ideal for machining harder & heat-resistant materials including:

• Stainless steel

• Mild steel

• High tensile steel

• Cast iron

• Aluminium alloys

• Brass & bronze

Cobalt-enhanced high speed steel helps maintain hardness under higher temperatures reducing premature edge wear & improving overall cutter durability during demanding machining applications.

For Australian workshops regularly cutting stainless steel fabrication components or structural materials HSS cobalt slot drills provide an excellent balance between performance longevity & value.

Operators machining tougher materials often improve safety & handling by using durable Cut-Resistant Gloves during setup material handling & machining preparation.

For post-machining cleanup abrasive selection & finishing performance our workshop guide Complete Guide Abrasive Cutting Grinding Discs explains how to improve cutting efficiency while maintaining safer workshop practices.

Choosing the Right Bordo Slot Drill

Selecting the correct slot drill improves cutting quality reduces machine stress & extends cutter life.

Short Series Slot Drills

Short series slot drills offer maximum rigidity & are ideal for:

• General slotting

• Keyway cutting

• Shallow pockets

• Steel plate machining

• Reduced chatter applications

Because the cutter length is shorter there is less flex during machining resulting in cleaner more accurate cuts.

Long Series Slot Drills

Long series cutters are better suited for:

• Deep pocket milling

• Recessed machining

• Hard-to-reach areas

• Fixture clearance applications

Long reach tooling should always be used with stable setups & minimal overhang to reduce vibration & cutter deflection.

Ball Nose Slot Drills

Ball nose cutters are commonly used for:

• Contour milling

• Radius machining

• Curved surfaces

• Mould & die work

• 3D profiling

These cutters create rounded-bottom finishes making them suitable for specialised machining applications where square-bottom slots are not required.

For deburring edge cleanup & fabrication finishing many machinists also rely on dependable Angle Grinders to streamline workshop preparation & finishing tasks.

Our workshop article A Professional’s Guide to the Angle Grinder also covers grinder setup abrasive selection safety & fabrication best practices.

Applications for Bordo Slot Drills

Bordo slot drills are widely used across Australian industrial trade & workshop environments including:

• Metal fabrication

• General engineering

• CNC machining

• Automotive workshops

• Maintenance & repair

• Agricultural servicing

• Toolmaking

• Manufacturing operations

These cutters are commonly used for:

• Slot cutting

• Pocket milling

• Keyways

• Plunge cutting

• Channel machining

• Fixture modifications

• Component machining

• Precision engineering

Fabricators working with welded assemblies often combine machining setups with Welding Clamps & Magnets to improve workholding alignment & fabrication accuracy.

Tips for Cleaner Milling Results

Getting the best performance from your slot drills comes down to setup cutter selection & machining technique.

For improved milling performance:

• Use the shortest cutter possible

• Secure the workpiece firmly

• Match spindle speed & feed rate correctly

• Use quality cutting fluid for steel & stainless machining

• Clear chips regularly during deep slotting

• Minimise tool overhang

• Replace worn cutters before edge breakdown occurs

Two-flute slot drills are highly effective for chip evacuation helping reduce heat build-up & improving machining stability during heavy material removal.

Regular maintenance also plays a major role in cutter performance & workshop efficiency. A quality Tool Maintenance Kit can help extend the service life of milling cutters holders & workshop tooling.

For workshops deciding whether tooling should be sharpened or replaced our article Blade Sharpening 101 Sharpen Or Replace explains practical maintenance strategies for improving productivity & reducing unnecessary tooling costs.

Built for Australian Workshops

At Industrial Shed we supply industrial tooling designed for real workshop conditions. Our Bordo slot drill range supports machinists fabricators maintenance teams & engineering professionals who require dependable cutting tools without compromise.

Whether you're machining stainless steel brackets aluminium components fabrication fixtures or precision keyways you'll find the right milling cutter for the job in this collection.

With fast access to tooling workshop consumables & nationwide support Industrial Shed helps Australian workshops stay productive with reliable supply service & technical support.

Customers can also access Same Day Dispatch on stocked products along with dedicated Warranty & Parts Support for ongoing workshop reliability.