Collection: Drill, Cutting & Grinding Bits

Drill, Cutting & Grinding Bits

Whether you're a seasoned tradesperson or a dedicated DIY enthusiast, having the right drill, cutting, and grinding bits in your toolkit makes all the difference. Our extensive collection covers everything from precision hex driver bits and CNC end mills to heavy-duty diamond cutting discs and turbo grinding cup wheels. Every bit is selected for durability, performance, and versatility — so you can tackle wood, metal, tile, glass, ceramic, marble, and more with total confidence. Browse our range below and find the perfect bit for your next project.

Featured Products

• 10-Pc Magnetic Hex Bit Set | SAE & Metric Allen Wrench Bits – A versatile everyday set covering both SAE and metric sizes with a secure magnetic tip.
• 100mm Diamond Cutting Disc for Glass, Tile & Ceramic | 1–3 Pack – Ultra-sharp diamond-bonded discs engineered for clean, chip-free cuts on hard surfaces.
• 4" Diamond Turbo Grinding Cup Wheel 12-Seg Angle Grinder Disc – 12-segment turbo design for rapid stock removal on concrete, stone, and masonry.
• 4-Flute HSS End Mill Set | TiN Coated CNC Milling Cutters 1.5–10mm – Titanium-nitride coated high-speed steel cutters for precise CNC and manual milling.
• 45° Ceramic Tile Chamfering Cutter – Marble & Bevel Tool – Create professional bevelled edges on tile and marble with this specialist chamfering cutter.

Why Choose Our Drill, Cutting & Grinding Bits?

• Wide Material Compatibility: Our range covers wood, metal, glass, ceramic, tile, marble, concrete, and more.
• Premium Materials: From high-speed steel (HSS) and titanium-nitride coatings to vacuum-brazed diamond segments, quality is built in.
• Universal Fitment: Most bits and discs are compatible with standard angle grinders, drills, and CNC routers with 1/4" or SDS adapters.
• Professional & DIY Ready: Whether it's a one-off home renovation or daily trade use, we have bits rated for the task.
• Value Packs Available: Stock up and save with our multi-pack options across grinding wheels, diamond discs, and end mill sets.

Safety First: Working with Cutting & Grinding Tools

Cutting and grinding operations generate sparks, debris, and fine dust particles that can pose serious health and safety risks. Always wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, and respiratory masks. Ensure your workpiece is securely clamped and that the bit or disc is correctly rated for your tool's RPM. For guidance on workplace safety standards when using abrasive wheels and power tools, refer to the official OSHA Abrasive Wheels safety guidelines. Additionally, the U.S. Consumer Product Safety Commission (CPSC) Power Tools Safety Centre offers valuable consumer advice on safe power tool operation.

Explore More in Our Range

Looking for a complete toolkit solution? Check out our full Tools & Hardware parent category for complementary products, including drill chucks, angle grinder accessories, and more. Products like the 2–13mm Keyless Metal Drill Chuck | Hex, SDS & Square Adapter and the 100mm Diamond Grinding Disc & Angle Grinder Dust Shroud Kit pair perfectly with bits from this collection for a safe, efficient, and professional-grade setup.

Learn more: Cutting tool (machining)

Frequently Asked Questions

Q: What is the difference between a diamond cutting disc and a standard abrasive cutting disc?

A: Diamond cutting discs feature diamond particles bonded to the blade's edge, making them ideal for cutting extremely hard materials such as glass, ceramic tile, marble, and porcelain with minimal chipping. Standard abrasive cutting discs use aluminium oxide or silicon carbide grit and are better suited for cutting metal, steel, and general masonry. For hard tile or stone work, choose a diamond disc like our 3PCS 115mm Diamond Saw Blades – Ultra Thin Cutting Discs for cleaner, faster results.

Q: Are these drill and grinding bits compatible with all angle grinders and drills?

A: Most discs and cup wheels in our collection are designed to fit standard 100mm–115mm angle grinders with a universal 22.23mm arbour hole, which is the most common size. Hex bits are compatible with 1/4" hex chuck drills and can also be used with quick-release magnetic adapters. Always verify your tool's spindle size and maximum RPM rating before fitting any bit or disc to ensure safe, compatible operation.

Q: What are TiN-coated HSS end mills and when should I use them?

A: TiN (Titanium Nitride) coated HSS (High-Speed Steel) end mills have a hard gold-coloured surface coating that reduces friction, increases hardness, and extends tool life compared to uncoated end mills. They are ideal for milling aluminium, mild steel, plastics, and wood on both CNC machines and manual milling setups. Our 4-Flute Titanium HSS End Mill Set 1.5–10mm is a great all-round choice for hobbyists and professionals alike.

Q: How do I choose the right grinding cup wheel for my project?

A: The right grinding cup wheel depends on the material and the level of stock removal needed. Turbo-segment cup wheels, such as our 4" Turbo Diamond Grinding Cup Wheel – 12 Seg, are best for aggressive grinding on concrete, granite, and hard stone. Fewer, larger segments provide faster material removal, while more segments with smaller gaps offer a finer finish. Always match the wheel's maximum RPM to your angle grinder's speed rating.

Q: Can I use a sphere rotary grinding head on materials other than wood?

A: Yes! While the 10/14mm Sphere Rotary Grinding Head – Wood Carving Engraving Bit is optimised for wood carving and engraving, spherical rotary bits can also be used on soft metals, plastics, and composites when fitted to a rotary tool or die grinder. Always use the appropriate speed setting for the material, and wear eye protection as these bits can throw small chips at high speed.