Product Description
CMT Diamond Dry Hole Saw - 3/8 in. (9.5mm) Diameter with Hexagonal Shank is a precision dry-cutting hole saw engineered for drilling through marble, granite, ceramic tile, and hard artificial stone surfaces. Designed for use with standard cordless or corded drills fitted with a hex chuck, this small-diameter core bit delivers clean, precise holes in hard materials where standard bi-metal hole saws would quickly dull or fail. The hexagonal shank provides a secure, slip-free grip in compatible drill chucks, keeping the bit centered and on-target during drilling.
Key Features
- Diamond Grit Cutting Edge - diamond abrasive construction allows this bit to cut through marble, granite, ceramic, and hard artificial stone that would destroy conventional hole saws, extending tool life in demanding applications.
- Dry Cutting Design - no water or coolant connection is required, making this bit practical for field work and installations where wet setups are inconvenient or impractical.
- Hexagonal Shank - the hex shank seats firmly in quick-change and standard hex-chuck drills, preventing bit slippage and maintaining accurate hole placement in hard, brittle materials.
- 3/8 in. (9.5mm) Cutting Diameter - a small, precise diameter ideal for fixture holes, pipe penetrations, and anchor points in tile, marble, or granite countertop and wall applications.
- 1 3/8 in. Cutting Height - sufficient depth capacity to cut through typical tile, stone slabs, and stacked hard-material assemblies in a single pass.
- Recommended Speed Range of 2,200 - 4,000 RPM - operating within this range optimizes diamond abrasive performance, reducing heat buildup and extending the usable life of the cutting edge.
- 3 1/8 in. Total Length - compact overall profile keeps the bit manageable in tight spaces while still providing adequate depth reach for most stone and tile drilling tasks.
Why This Product
- When drilling through hard stone or ceramic tile, standard hole saws quickly lose their edge - this diamond dry hole saw is specifically built for marble, granite, ceramic, and hard artificial stone, so the right tool is matched to the material.
- The 3/8 in. diameter fills a precise size requirement for small fixture holes and penetrations in hard surfaces where accuracy matters and larger bits would compromise the material.
- The hexagonal shank format means this bit works directly with widely available hex-chuck drills and quick-change systems - no adapter or specialized equipment needed for most job-site setups.
- Dry cutting capability means this bit can be used without plumbing in a water supply or setting up wet-cutting containment, keeping installation work cleaner and faster.
Specifications
- Manufacturer Part Number: 552-010
- Brand: CMT Orange Tools
- Diameter: 3/8 in. (9.5mm)
- Cutting Height: 1 3/8 in.
- Total Length: 3 1/8 in.
- Shank: Hexagonal
- Recommended Speed: 2,200 - 4,000 RPM
Approved Applications
- Drilling hard ceramic tile
- Drilling marble and granite stone
- Drilling hard artificial stone surfaces
Frequently Asked Questions
What materials can this diamond hole saw cut?
This hole saw is designed for drilling marble, granite, ceramic tile, and hard artificial stone. It is a diamond abrasive bit built specifically for hard, brittle materials that standard bi-metal hole saws cannot handle effectively.
What drill type is compatible with this bit?
This bit uses a hexagonal shank, which is compatible with hex-chuck drills and quick-change drill systems. Both cordless and corded drills that accept a hex shank can be used with this bit.
What speed should I run this hole saw at?
The recommended operating speed for this diamond hole saw is 2,200 - 4,000 RPM. Staying within this range helps maximize cutting performance and extends the life of the diamond abrasive edge.
Does this bit require water or coolant during use?
No - this is a dry hole saw, designed to cut without water or an external coolant supply. This makes it practical for field installations and locations where wet cutting setups are not feasible.
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