Meet the Disston RemGrit 2-1/2 in. Carbide Grit Hole Saw — a purpose-built solution for clean, durable holes in demanding materials. With carbide grit teeth and a ready-to-use arbor, this hole saw is engineered to resist wear, cut consistently, and reduce downtime on the job.
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Diameter: 2-1/2 in
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Cutting depth: 7/8 in
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Shank: 1/4 in
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Material: Carbide grit
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Arbor included: Yes
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Brand lineage: Disston, with RemGrit sub-brand
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Quantity in package: 1
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Quick-change system: No
Designed for serious work, this hole saw excels where standard steel teeth wear quickly. The carbide grit edge stays sharper longer, delivering smoother cuts through hardwoods, dense plywood, soft metals, and tough composites. The 2-1/2" diameter makes it ideal for conduit, pipe, or cabinet openings, while the 7/8" cutting depth keeps material removal controlled and clean.
Who should use it: professional installers, woodworkers, electricians, plumbers, and DIY enthusiasts who routinely encounter thick materials or metal components and need precise, repeatable holes without frequent tool changes.
Why it matters: finishing holes with minimal rework saves time and effort. The included arbor reduces setup steps, so you can start cutting right away, while the carbide grit construction stands up to repeated use in demanding environments. This isn’t a one-off specialty bit — it’s a reliable workhorse for frequent, larger-diameter holes.
Practical tips for best results:
- Clamp and secure the workpiece to prevent chatter and give the carbide grit teeth a clean path.
- For metal or dense plastics, use light, steady pressure and moderate drill speed to reduce heat buildup.
- Lubricate when cutting through metal to extend tool life and improve hole quality.
- Deburr the hole edges after drilling for a smooth finish and safer downstream work.
If you’re upgrading your toolkit, the Disston RemGrit 2-1/2 in. hole saw with carbide grit and integrated arbor offers focused performance for high-accuracy, durable holes in a variety of materials. It’s a dependable choice when you need consistent results without the frequent tool swaps and wear associated with standard hole saws.