Diamond Tile Hole Saw Kit 12pcs - Core Drill Bits Set for Tile & Stone

In this review the Diamond Tile Hole Saw Kit 12pcs is evaluated for DIYers and tradespeople who need a versatile set for drilling and trimming through hard surfaces. The bottom line: this kit stands out because it combines a range of diamond core sizes with finger and chamfer bits plus a hex adapter and two blades, letting a single user tackle porcelain, ceramic, marble and granite holes without buying separate parts. It is a practical kit for angle grinder use and occasional hand drill work when speeds are controlled.

Key Features

• Complete 12pc set: Includes six diamond core drill bits plus finger bits, chamfer bit, adapter and two blades so users have the most common sizes on hand for different hole diameters and finishing steps.
• Wide size range: Core bits from 6mm to 65mm cover small to large holes, reducing the need to switch toolsets during tiling or plumbing prep work.
• Vacuum brazed durability: The vacuum brazed diamond bond provides consistent cutting performance and longer life compared with simple coated bits for masonry and tile work.
• Designed for angle grinders: Works with a 5/8" arbor angle grinder and includes a 5/8"-11 to hex adapter for safe hand drill attachment when run above 2000 RPM and without impact mode.
• Wet or dry use: The bits accept wet drilling to reduce debris and heat for extended life, while the lightning teeth and wide slots help clear dust during dry work.
• Includes finishing tools: Finger bits enlarge openings and the 2in chamfer bit trims edges, making the kit useful from hole cutting through to finishing.

Who It's For

This kit is best for homeowners doing bathroom or kitchen tile work, installers who need a compact set for porcelain and natural stone, and hobbyists who want a single kit for varied hole sizes. It is especially useful when an angle grinder with a 5/8" arbor is already available.

Those who rely exclusively on high-speed rotary hammer drills, frequent heavy industrial drilling, or need metric-only specialty bits for metal should look elsewhere; the set is optimized for tile, porcelain, marble and granite and for use without impact mode.

Pros & Cons

Pros

• Range of six core sizes plus finger and chamfer bits covers most tiling hole needs without additional purchases.
• Vacuum brazed construction gives better wear resistance for wet or dry cutting in hard materials.
• Adapter and blades included let users use a hand drill safely and perform finishing cuts as well as core drilling.

Cons

• Primarily intended for use with a 5/8" arbor angle grinder, so users with other tool setups may need additional adapters or different arbors.

Specifications

Set contents	12 pieces: 6 core bits (6/8/10/25/35/50/65mm), 1" finger bit, 3/8" finger bit, 2in chamfer, hex adapter, 2 diamond blades
Core bit sizes	6mm, 8mm, 10mm, 25mm, 35mm, 50mm, 65mm
Chamfer bit	2in diamond chamfer bit
Adapter	5/8"-11 thread to hex adapter for hand drill use
Compatible materials	Porcelain, ceramic tile, marble, granite and similar stone
Machine type	5/8" arbor angle grinder; hand drill with hex adapter (no impact mode)

Our Verdict

The Diamond Tile Hole Saw Kit 12pcs is a solid value for anyone who needs a single, adaptable kit to cut and finish holes in tile and stone. It pairs useful size coverage with durable vacuum brazed diamonds and finishing tools, so it is a smart buy for DIY tilers and tradespeople with a compatible angle grinder or controlled-speed drill.

Frequently Asked Questions

Can these be used wet?
Yes. Wet drilling is supported and recommended to reduce debris and heat, which extends bit life.

Will the bits work in a hand drill?
Yes, with the included 5/8"-11 to hex adapter, but do not use impact mode and keep speed above 2000 RPM.

What materials can these cut?
The kit is designed for porcelain, ceramic tile, marble, granite and similar hard stone materials.