RICHELIEU
RICHELIEU 922911 Bi-Metal Hole Saw 2 1/16-inch 52 mm
Cuts metal, plastic and wood with a 52 mm diameter and 45 mm depth using variable-pitch bi-metal teeth and an EZE Slot for fast plug removal
- Bi-metal construction with M3 high-speed steel teeth for durable cutting in metal, plastic, and wood
- 4/6 variable tooth pitch enables efficient and safe cutting across multiple materials
- EZE Slot design allows quick and easy removal of the largest plugs
- Stepped slot provides leverage exactly where needed for effortless plug ejection
- 45 mm cutting depth cuts through 51 mm x 102 mm material in a single pass
Hole Saw for Metal Wood Plastic
The RICHELIEU 922911 bi-metal hole saw cuts a 52 mm diameter hole through metal, plastic and wood. Its M3 high-speed steel teeth are electron-beam welded to a heavy-duty backing plate for rigidity and consistent hardness. The 4/6 variable tooth pitch is designed for efficient and safe cutting across those materials. A 45 mm cutting depth lets it pass through a 51 mm by 102 mm workpiece in one stroke.
EZE Slot Plug Removal Feature
The EZE Slot stepped design gives leverage exactly where needed to eject the largest plugs quickly. This reduces downtime when removing cores after each cut. The feature works with the saw's standard arbor connection and requires no additional tools. California Proposition 65 warnings apply because the product contains chemicals known to the state to cause cancer and birth defects or other reproductive harm.
Arbor Fit and Plug Clearance
Installation is a simple matter of securing the saw onto a compatible arbor; the heavy-duty backing plate resists flex during the cut. The most common issue is forgetting to clear the plug before starting the next hole, which can bind the teeth. The EZE Slot mitigates this, but the plug must still be removed manually after each pass. Orders of 75 or more ship free from the manufacturer.
Highlights
- Bi-metal construction with M3 high-speed steel teeth for durable cutting in metal, plastic, and wood
- 4/6 variable tooth pitch enables efficient and safe cutting across multiple materials
- EZE Slot design allows quick and easy removal of the largest plugs
- Stepped slot provides leverage exactly where needed for effortless plug ejection
- 45 mm cutting depth cuts through 51 mm x 102 mm material in a single pass
Specifications
| Brand | RICHELIEU |
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Questions about this item
When will the 4/6 variable-pitch teeth on this 52 mm bi-metal hole saw need replacing?
The M3 high-speed steel teeth are electron-beam welded for consistent hardness; they dull gradually with heavy use in metal, plastic or wood and the saw is replaced once cutting speed drops noticeably.
What limits continuous cutting with this 52 mm hole saw before the backing plate overheats?
The heavy-duty backing plate provides rigidity, but sustained high-speed drilling in thick metal generates heat that softens the M3 teeth — cutting fluid and lower RPM extend the run time before heat becomes the limiting factor.
How much vibration and heat should I expect when running this 52 mm hole saw all day in a 2×4?
The 45 mm cutting depth clears a 51 mm × 102 mm timber in one pass; the bi-metal construction and variable pitch keep vibration moderate, while steady feed pressure and occasional pauses prevent excessive heat build-up in the blade body.
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