Vacuum Brazed Diamond Hole Saw & Cutting Disc Combo Set, Tile Drill Bits + Diamond Saw Blades for Porcelain Ceramic Marble Granite Brick Stone Drilling & Cutting, M14 Thread Shank Fit Angle Grinder

Ideal for dry & wet drilling/cutting work on porcelain tile, vitrified ceramic, marble, granite, natural stone, travertine and masonry brick. Widely used in home renovation, tile installation, countertop processing, construction piping and professional stone processing projects.

· Dual-function Combo Design The set combines 8pcs diamond core drill bits and 2pcs turbo mesh saw blades in one aluminum case, completing both drilling and cutting tasks with only one tool kit, saving buyers extra procurement cost for separate cutting discs.

· Premium Vacuum Brazed Technology High-strength vacuum brazing firmly fixes diamond grit on the tool surface, abrasives hardly fall off, ensuring sharp cutting performance and extended service life compared to electroplated diamond tools.

· Universal M14 Thread Shank All hole saw bits adopt standard M14 thread, compatible with most mainstream angle grinders globally, easy mounting and replacement for construction work.

· Turbo Mesh Saw Blade Structure Unique mesh turbo rim design on cutting discs accelerates dust and debris removal, delivers smooth neat cuts, effectively avoids edge chipping or cracking on fragile porcelain and vitrified tiles.

· Full-size Matching Selection Drill sizes range from 20mm to 68mm, saw blades in 115mm &125mm, covering most common aperture and cutting demands for home decoration, cabinet installation and stone processing.

· Shockproof Aluminum Storage Case Custom molded EVA foam inside hard aluminum suitcase holds each tool snugly, preventing bump damage during transportation; portable design convenient for job-site carrying and tidy storage.

· Dry & Wet Dual Usability Supports both dry drilling/cutting and water-assisted wet operation; wet use further reduces working dust and prolongs tool lifespan.

· Factory Customization Available Produced by Changshunda factory in Shanxi China, flexible OEM & ODM support for custom size, tool color, logo printing and package design for bulk wholesale orders.

1. Premium Vacuum Brazed Craft: Diamond particles are tightly welded, hard to fall off, long service life and stable cutting performance.

2. All-in-one Combo Pack: Integrates drilling and cutting functions in one set, satisfies multiple construction demands and saves purchase cost for users.

3. Universal M14 Shank: Uniform M14 thread for all hole drills, easy installation on standard angle grinders.

4. Mesh Turbo Saw Blade: Special mesh rim design realizes fast, clean cutting, prevents fragile tiles from edge burst.

5. Premium Aluminum Carry Case: Rigid aluminum box with customized EVA foam slot, protects tools from collision and convenient for on-site carrying & storage.

6. Multi-scene Compatibility: Works for DIY household repair and professional engineering construction for various hard stone & tile materials.

Q1: What grinder does this drill bit fit?

A: It can be customized with either M14 thread or 5/8''-11 thread shank to fit most common angle grinders available on the market.

Q2: Can these core drill bits drill dry without water?

A: Yes, both dry drilling and wet drilling are available. Wet drilling with water can further extend drill lifespan and reduce dust.

Q3: What materials can the diamond hole saw drill?

A: Ideal for porcelain tile, ceramic, vitrified tile, marble, granite, natural stone, red brick and ordinary masonry concrete. Not recommended for hard metal like steel and iron.

Q4: How many sizes are included in one set?

A: 5 pieces per plastic box, specifications: two pieces of 6mm, plus 8mm,10mm,12mm respectively. Different colored bodies help quick size identification.

Q5: Is OEM & ODM custom order acceptable?

A: Sure. We are Changshunda manufacturer based in Jishan County, Yuncheng Shanxi China. Custom size, body color, box package and private label are all supported for bulk wholesale orders.

Q6: Why does the diamond grit not drop easily?

A: Adopts advanced vacuum brazed craft, diamond grains are firmly fused onto drill base, high bonding strength for long service life.

Q7: Why my tile cracks during drilling?

A: Suggest low rotating speed with moderate water cooling, keep drill vertical without pressing hard when punching holes.