For UK workshops and professional metalwork, choosing a hole saw capable of cutting steel efficiently is essential. The right carbide, HSS, or bi-metal blades improve cutting speed, reduce heat, and extend tool life. This article highlights five leading hole saw sets available on Amazon UK, focusing on steel and metal cutting performance, durability, and compatibility with common drills. Whether you’re installing hardware, making drainage holes, or assembling metal shelving, these options offer reliable results across steel sheets and other metals.
Overview Of Selected Products
| Product | Brand | Key Feature | Diameter Range |
|---|---|---|---|
| Bosch EXPERT Sheet Metal Hole Saw | Bosch | Carbide technology for long life on steel | Ø 25 mm |
| Starrett CSC25 HSS Bi-Metal | Starrett | Constant pitch and side grooves for fast cuts | 25 mm |
| HSAWBIT 22mm Bi-Metal Hole Saw | hsawbit | Extra cobalt HSS teeth for smoother cuts | 22 mm |
| Amazon Basics Bi-Metal Hole Saw Kit | Amazon Basics | Bi-metal construction with multiple sizes | 20–68 mm (9 pieces) |
| Starrett 44mm Bi-Metal Hole Saw | Starrett | Fast Cut design for metal and plastics | 44 mm |
Bosch Carbide Hole Saw
The Bosch EXPERT Sheet Metal Hole Saw is designed for demanding steel and stainless applications. It lasts up to 50 times longer than some standard Bosch models due to built-in carbide technology, which delivers exceptional durability when cutting through tough materials. This saw is compatible with the Bosch Power Change Plus system, offering a keyless arbor for improved accuracy and robustness during operation. The carbide-enhanced blades resist wear, enabling cleaner holes and reduced deflection, especially on thicker metal sheets. For professional or serious DIY metal projects, this Bosch tool adds reliability and longevity to repeated cutting tasks.
Key considerations for Bosch include ensuring a compatible arbor system on your drill, and using steady feed pressure to maximise carbide blade life. While the initial investment may be higher than standard steel hole saws, the extended life can reduce long-term costs in metalworking environments. Ideal for stainless steel sheets and steel sheets, this model is well suited for professional use in workshops and trades where durability matters as much as cutting speed.
Starrett CSC25 HSS Bi-Metal Hole Saw
The Starrett CSC25 Cordless Smooth Cutting Hole Saw is optimized for cordless tools, offering a dependable option for metal cutting on the go. It features hardened, abrasion-resistant high-speed steel teeth and an alloy body for strength. The hole saw uses a constant 8 teeth per 25 mm pitch, delivering smooth, consistent cuts. Side grooves assist quick chip evacuation, enhancing cutting efficiency. A flare-style safety stop cap helps prevent over-penetration, protecting both the tool and material during use. Starrett emphasizes clean edges and reduced binding, which improves accuracy on steel and other materials.
Considerations include ensuring compatibility with cordless drills and maintaining steady RPM to preserve blade life. The design aims to balance durability with speed, making it a solid choice for metalworking projects requiring frequent hole cutting with reliable results and clean finishes.
HSAWBIT 22mm Bi-Metal Hole Saw
The HSAWBIT 22mm Bi-Metal Hole Saw combines high-speed steel teeth with a robust alloy body to deliver fast, smooth cuts in stainless, mild steel, wood, and plastics. The kit includes an extra cobalt tooth element that enhances performance, particularly under higher temperatures and tougher materials. The non-binding edge design helps prevent snagging and produces cleaner circles with less rework. The 22 mm size is common for hardware installations, electrical conduits, and framing work where precise, small-diameter holes are needed. This model prioritises durability and efficient chip removal for steady, repeatable results.
When using cobalt-enhanced teeth, operators should apply moderate feed pressure and allow the tool to do the work, reducing wear. The blade construction aims to keep heat in check, preserving drill conductivity and blade-edge integrity for longer life in metal applications.
Amazon Basics Bi-Metal Hole Saw Kit
This Amazon Basics 9-piece Bi-Metal Hole Saw Kit provides a versatile spread of sizes from 20 mm to 68 mm, designed for mild steel, aluminium, plastic, and plasterboard. The kit features HSS-M3 bi-metal blades with a powder-coated finish for smoother cuts and durability. It’s well-suited for carpentry, plumbing, and general metalwork where a range of hole sizes is routinely needed. The kit’s efficiency comes from a balanced combination of durability and cost per hole, making it a practical option for DIY enthusiasts and professional trades alike who require varied hole sizes without swapping blades frequently.
Key considerations include ensuring you have a compatible arbor and a drill that can maintain steady speed under load. For larger diameters, operators should consider backing boards or drilling jigs to ensure straight, centered cuts in metal surfaces.
Starrett 44mm Bi-Metal Fast Cut Hole Saw
The Starrett 44mm Bi-Metal Fast Cut Hole Saw is built for rapid cuts through metal, wood, and plastics, featuring a fast-cut tooth design and a cobalt-enriched HSS tooth material. The design emphasizes efficiency with a non-binding edge and a 41 mm hole depth, enabling cleaner holes with less resistance. It’s particularly suitable for applications requiring swift hole creation in steel plates or similar metal substrates. The cobalt-enhanced teeth promote durability during repeated use, and the bi-metal construction helps manage heat and wear across demanding drilling tasks.
Practical use considerations include using a sharp center punch and applying steady, moderate pressure to maximise cut quality. This model is especially useful in fabrication shops or contractor sites where fast, consistent hole production is essential.
Buying Guide
- Material compatibility: For steel and stainless steel, carbide-tipped or cobalt-enhanced HSS teeth provide longer life and cleaner cuts under heat. Bi-metal blades offer good all-around performance for mixed materials.
- Arbor compatibility: Check that the hole saw arbor matches your drill (keyless vs. keyed) and the Power Change Plus system if you use Bosch tools to ensure proper fit and accuracy.
- Tooth geometry and pitch: A constant or optimal tooth pitch reduces binding and assists with chip evacuation, improving cut quality on metal sheets.
- Heat management: Larger holes or tougher metals generate heat. Consider blades designed to minimise heat buildup, and allow for brief pauses to avoid dulling.
- size range and application: If you work with a variety of diameters, a multi-size kit offers flexibility and reduces tool changes, though individual specialty blades may outperform for single tasks.
- Drill compatibility and safety: Use appropriate drilling speeds, feed pressure, and safety gear. For cordless drills, ensure the blade design supports efficient cutting and minimal vibration.
- Cost vs. longevity: Higher upfront costs can be offset by longer blade life in metalworking environments. Assess your frequency of use and required hole sizes when choosing.