Best 2 1/2-Inch Masonry Hole Saws for Brick and Concrete
The best 2 1/2-inch masonry hole saw depends on your drill connection, material, and need for replacement center bits. The CertBuy is a straightforward choice for common wall openings, while the DKIBBITH and DECKRKAT kits include two center bits. WUWEOT is best for buyers who want two hole saw sets, and SALI offers a deeper diamond core bit with adapters. Check the listed diameter and tool connection before choosing.
| Product | Best For | Key Feature |
|---|---|---|
| CertBuy 65mm Hole Saw | Basic SDS Plus wall drilling | Carbide-tipped bit and 220mm connecting rod |
| DKIBBITH 2-1/2-Inch Kit | Multiple center bits | Tungsten steel construction and two center bits |
| DECKRKAT Hole Saw Kit | Thickened alloy teeth | 220mm shank and two center bits |
| WUWEOT Two-Set Kit | Two hole saw sets | Chip-removal grooves |
| SALI Diamond Core Bit | Deeper core drilling | 10-inch stated drilling depth and adapters |
CertBuy 65mm Concrete Hole Saw

The CertBuy is best for buyers making a typical wall opening in brick, concrete, cement, or stone with an SDS Plus setup. Its 65mm carbide-tipped cutting head is described as durable, and the kit includes a 220mm connecting rod drill. The listed applications include openings for air-conditioning, exhaust, and sewer-pipeline installations.
Choose this model if you want a direct 65mm option with a connecting rod. Its product information does not list extra center bits, so buyers who want spares should compare it with the DKIBBITH or DECKRKAT kits. Confirm that your drill accepts the stated SDS Plus shank before ordering.
DKIBBITH Tungsten Steel Core Bit Kit

This 2 1/2-inch kit is best for buyers who want two center positioning drill bits alongside the core bit. It features tungsten steel construction, a 220mm SDS Plus connecting rod, and two 110mm center bits. The stated material list includes brick, stone, cinder block, hardy plank, fiber cement siding, backer board, stucco, and plasterboard.
The manufacturer describes the bit as compatible with SDS Plus tools from major manufacturers. Choose it if replacement center bits and a broad listed material range matter to your project. Avoid it if your drill does not use an SDS Plus connection; the listed kit does not specify another shank option.
DECKRKAT Thick-Tooth Hole Saw Kit

The DECKRKAT is best for buyers comparing tooth construction and wanting two center bits. Its features include thickened alloy teeth, an electroplated black coating, a 220mm SDS Plus shank, and two center bits. The product description says the coating and quenching are intended to enhance hardness and resist rust, and lists concrete, brick, stone, and hardy plank as suitable materials.
Choose this kit if the stated tooth design and included center bits fit your priorities. Its listed connection is SDS Plus, so it is not the right pick for a drill that requires a different attachment. The product information does not give a specific cutting depth.
WUWEOT Two-Set 65mm Hole Saws

WUWEOT is best for buyers who want two hole saw sets in one package. Each set is described as having a 65mm hole saw and 220mm connecting rod. The product also lists a high-hardness center drill, external grooves intended to help remove chips, and chromium steel and tungsten alloy construction.
Choose this option when having a second set is more useful than buying a single core bit. The feature list mentions a male-thread adapter design, but does not provide detailed drill-chuck compatibility information. Check the connection requirements for your tool before purchase.
SALI Diamond Core Drill Bit

The SALI is best for buyers who need the stated 10-inch (254mm) barrel depth and want adapters for different connections. Its diameter is 2 1/2 inches, listed as 63.5mm, rather than the 65mm size of several other options here. The package includes a 5/8-11 thread core bit, a 1/2-inch hex shank adapter, and a 5/8-11-to-SDS Plus adapter.
The listed materials include concrete, brick, tile masonry, reinforced material, asphalt, and rock. Choose it if its diameter, thread, depth, and included adapters match your setup. The 63.5mm diameter is slightly smaller than 65mm, which may matter when matching an opening to a pipe or fitting.
Buying Guide: How To Choose A 2 1/2-Inch Masonry Hole Saw
Does the shank fit your drill?
Check the tool connection before comparing cutting features. CertBuy, DKIBBITH, and DECKRKAT list SDS Plus shanks or connecting rods. SALI includes a 5/8-11 thread and two adapters, while WUWEOT describes a male-thread adapter design. Match the listed connection to your drill or rotary hammer; do not assume all masonry hole saws attach the same way.
Is 65mm the same as 2 1/2 inches?
These listings use slightly different measurements. Several specify 65mm, while SALI lists 2 1/2 inches as 63.5mm. If the opening must fit a particular pipe, sleeve, or fixture, compare the exact diameter rather than relying on the rounded inch label.
What materials and depth do you need?
Match the product’s stated material list to the wall or surface. The listings mention combinations of concrete, brick, stone, block, and cement-based boards. SALI gives a stated barrel drilling depth of 10 inches; the other product details provided do not specify a comparable depth. Confirm the required opening depth for your installation.
Do you need extra center bits or a second set?
DKIBBITH and DECKRKAT include two center bits, while WUWEOT includes two hole saw sets. These are useful distinctions when choosing between a single core bit and a package with additional components. Review each listing’s contents and connection details before purchase.
Frequently Asked Questions
What is a 2 1/2-inch masonry hole saw used for?
It cuts a circular opening in listed masonry materials such as brick, concrete, stone, or block. Product descriptions identify pipe, exhaust, and air-conditioning installations as example uses.
Can I use an SDS Plus hole saw with any drill?
No. Choose an SDS Plus model only if your tool accepts that connection, or use an adapter specifically listed for your setup. Check the product and tool specifications before drilling.
Which option lists the greatest drilling depth?
SALI specifies a 10-inch (254mm) barrel depth. The other supplied product descriptions do not state a comparable depth.
Which products include extra center bits?
DKIBBITH and DECKRKAT list two center bits. WUWEOT lists two complete hole saw sets.