Features
- M42 bi-metal construction with 8% cobalt for improved heat resistance and longer life
- Triangle slot design for easier plug removal and reduced heat buildup
- Progressor tooth design (alternating tooth sizes) for faster, cleaner cuts in wood, metal, and plastic
- Reinforced shoulders for added strength and durability
- Deeper cup to drill through thicker materials
- Compatible with standard arbors and SpinLOCK Universal arbor (sold separately)
- Suitable for wood, drywall, metal, and plastic
Specifications
| Part Number | HBT062 |
| Diameter | 9/16 inch |
| Cutting Depth | 1.75 inches |
| Material | Bi-metal (M42) |
| Cobalt Content | 8% (M42 alloy) |
| Product Dimensions | 1.13 in x 1.13 in x 2 in |
| Weight | 0.08 lb |
| Color / Finish | White |
| Upc | 000346663426 |
| Compatible Arbors | Standard arbors; SpinLOCK Universal arbor (sold separately) |
| Regulatory | Prop 65 warning applies (see relevant guidance) |
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9/16-inch bi-metal (M42) hole saw with 8% cobalt content. Intended for cutting holes in wood, drywall, metal and plastic. Features include a slot design to aid plug removal, alternating tooth sizes for cutting performance, reinforced shoulders for strength, and a deeper cup to penetrate thicker materials. Compatible with standard arbors and SpinLOCK Universal arbor (sold separately).
Model Number: HBT062
Bosch 9/16-inch bi-metal hole saw Review
When you're tackling a project that requires precise and clean holes in various materials, the right hole saw can make all the difference. Recently, I had the opportunity to test the Bosch Bi-Metal Hole Saw, model HBT062, and I must say, it impressed me in several ways. This review will cover my hands-on experience with this tool, highlighting its strengths and areas for improvement.
The first thing that caught my attention was the build quality. The HBT062 is constructed from M42 alloy materials, which include 8% cobalt for improved temperature resistance. This detail isn't just marketing fluff; it genuinely enhances the tool's durability and heat tolerance. I found that even after repeated use, the hole saw maintained its sharpness and cutting efficiency, which is often a concern with lesser-quality saws.
One of the standout features of this tool is the progressor tooth design. This design promises faster cutting and longer life in wood, metal, and plastic. In practice, it delivers. I tested the hole saw on various materials—hardwood, softwood, sheet metal, and PVC pipes. The cutting was smooth and efficient across the board. The teeth didn't clog easily, and the saw didn't struggle, even with thicker materials.
Another feature that deserves mention is the triangle slot design, which facilitates efficient plug removal and reduces heat build-up. During my testing, I noticed that the plugs were relatively easy to remove, thanks to this thoughtful design. This is particularly useful when you're working on multiple holes and don't want to waste time wrestling with stuck plugs.
The deeper cup is another practical feature that I appreciated. It allows for drilling through thicker materials without the need for constant adjustments or secondary cuts. This was particularly useful when working on 2x4 lumber and thicker metal sheets. The reinforced shoulders added an extra layer of confidence, especially when applying more pressure during cutting.
However, it's not all perfect. One issue I encountered was with the mandrel compatibility. The hole saw requires a specific mandrel (HSBAM, PCM38, PCM12, PCMSDSPL), and it's crucial to ensure you have the right one before starting your project. The SpinLOCK™ adapter isn't included, which means an additional purchase if you don't already own one. This could be a minor inconvenience but is worth noting for those looking to use the tool right out of the box.
The quick-change feature is a game-changer. It allows for easy swapping of saw sizes without the need for threading. This is particularly beneficial when you're switching between different hole sizes frequently. The quick-change mechanism worked flawlessly during my tests, and it significantly sped up the workflow. However, I do have some reservations about its long-term durability compared to traditional threaded hole saws. Only time will tell if this feature can withstand the rigors of constant use.
The tool's dimensions and weight also contribute to its ease of use. At just 0.08 lbs, the hole saw is lightweight and easy to handle, reducing fatigue during prolonged use. The compact size (1.13-in X 1.13-in X 2-in) makes it easy to store and transport, fitting neatly into most toolboxes.
In terms of cutting depth, the HBT062 offers a respectable 1-3/4 inches, which is sufficient for most standard applications. Whether you're working on plumbing, electrical, or general carpentry projects, this depth is more than adequate. The 5 teeth per inch tooth pitch strikes a good balance between speed and smoothness of cut, making it versatile enough for a range of materials.
One minor issue I found was the inclusion of only one washer, which was not attached and just laying in the box. This could be a quality control oversight, but it didn't significantly affect the tool's performance. However, it's something Bosch should address to ensure a seamless out-of-the-box experience.
Overall, the Bosch Bi-Metal Hole Saw HBT062 is a robust, efficient, and versatile tool that delivers on its promises. Its construction quality, cutting efficiency, and user-friendly features make it a valuable addition to any tool collection. While there are minor areas for improvement, such as the mandrel compatibility and washer issue, these are relatively minor inconveniences compared to the benefits this tool offers.
Would I recommend this tool? Absolutely. If you're in the market for a reliable hole saw that can handle a variety of materials with ease, the Bosch HBT062 is a solid choice. Its quick-change feature, durability, and cutting performance make it well worth the investment, especially for professionals and serious DIY enthusiasts. Just make sure you have the right mandrel and consider purchasing the SpinLOCK™ adapter if you don't already own one. With these considerations in mind, you'll find the Bosch Bi-Metal Hole Saw to be a dependable and efficient tool for your projects.
Project Ideas
Business
On‑Site Desk Cable Grommet Service
Offer a mobile service to add 9/16-inch grommeted pass‑throughs to desks, conference tables, and cabinetry. The bit’s clean cutting and easy plug ejection speed up repetitive installs in wood, laminate, and plastic for offices and home workstations.
Perforated Lantern Kits
Sell DIY lantern kits (pre‑drilled cans or thin steel cylinders, tea lights, hanging hardware). Use the 9/16-inch holes for bold light patterns; batch drilling is efficient thanks to the progressor tooth design and reinforced shoulders.
Electronics Enclosure Customization
Provide precision hole services for aluminum and ABS project boxes (pedalboards, sensor hubs, IoT nodes), adding 9/16-inch entries for strain‑relief bushings and grommets. The M42 bi‑metal edge delivers burr‑reduced cuts that minimize deburring time.
Van/RV Wire Pass‑Throughs
Specialize in adding 9/16-inch cable routes with grommets in van cabinetry, metal ribs, and plastic panels. The deeper cup reaches thicker materials, and the bit’s durability handles mixed substrates common in upfits.
Perforated Acoustic Panel Shop
Produce and sell decorative acoustic panels with 9/16-inch perforation patterns for studios and offices. Use MDF/plywood faces and optional thin aluminum overlays; the clean, repeatable holes speed production and yield a premium look.
Creative
Perforated Tin Can Lanterns
Upcycle food cans into modern lanterns by drilling 9/16-inch patterns (stars, constellations, geometric grids). The M42 bi‑metal teeth slice cleanly through thin steel cans without tearing, and the slot design speeds plug removal so you can produce crisp, repeatable designs.
Ventilated Birdhouses
Build cedar or plywood birdhouses with 9/16-inch ventilation and drainage holes. The deeper 1.75-inch cup easily reaches thicker stock, while the reinforced shoulders resist wobble for cleaner holes that won’t split the wood.
Desk Cable Organizer
Create sleek wooden or acrylic cable rails with spaced 9/16-inch holes lined with rubber grommets. The progressor tooth design makes fast, clean cuts across wood and plastic for a refined, snag-free finish.
Acoustic Perforation Panels
Make perforated MDF or plywood facings for DIY acoustic panels using a 9/16-inch hole array. Clean holes reduce fuzzing on the edges, and the bi‑metal build lets you also perforate thin aluminum skins for a modern look.
Planter and Tray Drainage
Retrofit plastic tubs, metal trays, or wood planters with 9/16-inch drainage patterns. The cobalt steel teeth handle plastic and thin sheet metal without melting or grabbing, improving plant health and preventing water pooling.