Diamond Drill Bits

Our Diamond Drill Bitsare designed for high-precision drilling on glass, stone, ceramics, tiles, and gemstones. Made with premium diamond coating or segments, these bits provide efficient cutting, long-lasting performance, and clean, accurate holes.

Featured Product

1"x4" 6pcs...

$4.00

Best Sellers

40mm Length 1/2" GAS (BSP) Thread Extension Adapter – Male & Female 1/2" Connection for Diamond Core Drills
$10.00
35mm Length 1/2" GAS (BSP) Thread Extension Adapter – Male & Female 1/2" Connection for Diamond Core Drills
$10.00
2-1/2"x1/4" Diamond Convex Carving Grinding Wheel – Lapidary & Gemstone Shaping
$350.00
2-3/4" x 8-1/2" Hans Lapping Film & Microfinishing Film Sample Pack | Aluminium Oxide PSA Sheets for Scary Sharp Knife & Woodworking Sharpening
$3.00
2-3/4" x 8-1/2" 5packs Aluminium Oxide Sharpening Lapping Film
$15.00
17mm Sintered Diamond Core Drill Bit Set (5-Pack) – For Lapidary, Glass, Agate, Jasper & Hard Stone Drilling
$47.00
8" 500Grit Diamond Dot Faceting Lap – Precision Gemstone Grinding & Polishing
$45.00
35mm Sintered Diamond Disc Grinding Burs – 5-Piece Set, 6mm Shank for Flush Cutting & Surface Grinding
$13.00
3mm Shank Sintered Diamond Round Ball Carving Burs – Lapidary & Jewelry
$6.00
φ200mmx65mm Diamond Flexible Abrasive Finishing Sanding Belts
$75.00
3mm Shank Sintered Diamond Conical Pointed Carving Burs – Lapidary & Jewelry
$6.00
9"x11" 120Grit Waterproof Silicon Carbide Sandpaper Sheets 100pcs | Wet & Dry Sanding for Automotive, Glass & Stone
$18.00
8"x1/2" 60Grit Diamond Channel Faceting Lap – Precision Gemstone Polishing Disc
$59.00
150mm Diamond Groove Double Cab Lap – 2-Groove Electroplated Polishing Wheel for Sapphire, Ruby & Garnet
$55.00
6"x1-1/2" 1200Grit REZ Diamond Soft Lapidary Wheels for Gemstone Grinding & Polishing
$52.00
6"x1-1/2" 8000Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$52.00
6"x1/2" Economical Aluminum Master Lap | Precision Flat Base for Lapidary Polishing
$13.00
3mm Shank Sintered Diamond Flat-Head Inverted Cone Carving Burs – Lapidary & Jewelry
$6.00
8"x1/2" 3000Grit Diamond Standard Faceting Lap – Professional Gemstone Grinding & Polishing
$27.00
1.75"x2.75 Flexible Diamond foam-backed Sanding Polishing pads
$7.50
1200Grit Resin Bonded Diamond Hand Glsss Stone Polishing Pad
$9.00
37mm Length 1/2" GAS (BSP) Thread Extension Adapter – Male & Female 1/2" Connection for Diamond Core Drills
$10.00
6"x2-1/2" Expandable Rubber Drum Wheel for Lapidary Sanding & Polishing
$45.00
3/4" to 1/2" Diamond Saw Blade Adaptor Rings – 10pcs Bushing Washer Set for Arbor Reduction
$10.00
3mm Shank Sintered Diamond Tapered Inverted Cone Carving Burs for Lapidary, Jewelry & Engraving
$6.00
4.25" × 11" Polishing Sheets Set – 8 PSA Lapping & Microfinishing Films for Scary Sharp System
$25.00
8" Lapidary Cabbing Grinder – 3/4 HP, 110V 50Hz with Adjustable Drip Water System for Gemstones & Stone
$2,199.00
6"x1-1/2" Expandable Rubber Drum Wheel for Lapidary Sanding & Polishing
$35.00
52mm Diamond Starrett-Style Hole Saw Core Drill Bit (5-Pack) – For Glass, Ceramic Tile, Porcelain, Stone & Engineered Surfaces
$26.00
6"x1/2" Tin Polishing Faceting Plate Lap Disc – Precision Polishing with Minor Surface Imperfections
$75.00
8"x1/2" Precision Aluminum Master Lap | Precision Flat Base for Lapidary Polishing
$27.00
8"x1/2" 80 Grit Diamond Ripple Faceting Polishing Lap Disc | Gemstone Pre-Polishing
$59.00
6"x1-1/2" 140Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$52.00
6"x1-1/2" 50000Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$52.00
2.35mm Shank Sintered Diamond Flame Shape Carving Burs – Lapidary & Jewelry
$6.00
6"x1-1/2" 140Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$52.00
300mmx32mm Diamond Groove Cab Laps For lapidary Bead
$165.00
8" PSA Self-Adhesive Backing Sheets – For Polishing Pads, Diamond Discs & Lapidary Accessories
$4.00
8" 5pcs 0.01µm Silicon Dioxide Lapping Film Discs – Ultra-Fine Precision Polishing
$45.00
6"x1-1/2" Diamond Textured Grinding Wheel – Lapidary Stone & Gem Shaping
$50.00
6" Diamond Smoothing Pre-Polishing Pad for Stone, Glass & Metal
$35.00
3mm Shank Sintered Diamond Tapered Cylinder Carving Burs for Lapidary, Jewelry & Engraving
$6.00
10pcs Set 3mm Shaft Hole Diamond Mini Cutting Discs Cut-off Wheel Blades Set Comepatible with Dremel Rotary Tool
$3.00
200mmx0.9mm 22mm Precision Diamond Sintered Saw Blades – High-Accuracy Cutting for Stone & Tile
$175.00
2-1/2"x18-15/16" Cerium Oxide Resin Bonded Belts – Durable Glass & Lapidary Polishing Belts
$25.00
8"x2" 8000Grit REZ Diamond Soft Lapidary Wheels for Gemstone Grinding & Polishing
$75.00
5" 60Grit 5" Diamond Grinder Disc for Inland Twin Spin Grinder – 60, 180, 360 Grit Options for Medium, Fine & SuperFine Grinding
$59.00
150mm x 1/2" Phenolic Double Cab Polishing Grinding Laps – High-Precision Lapidary Polishing
$65.00
1.5mm Sintered Diamond Taper Round-End Carving Burs – Lapidary & Jewelry
$65.00
3/4" Diamond Standard Glass Grinder Bit – Multiple Grits for 3/8″ & 5/16″ Arbors
$10.00
8"x1-1/2" Diamond Hard Flat Grinding Wheel – Lapidary Stone Shaping & Smoothing
$64.00
6"x3/4" Inner Hole Aluminum Master Support Lap – Durable Precision Polishing Base
$14.00
8"x2" 600Grit Premium Sintered Diamond Grinding Wheels for Gemstone & Glass Shaping
$325.00
3mm Shank Sintered Diamond Taper Round End Carving Burs for Lapidary, Jewelry & Engraving
$6.00
8"x1/2" Zinc Polishing Lap – 15mm Thick – Professional Gemstone Faceting & Polishing
$75.00
45x6x6mm 6mm Shaft Diamond Flat Edge Wheel Shape Drill Bit
$10.50
6"x0024"x0.032"x1/2" Super Slicer Diamond Saw Blade for Precision Stone & Glass Cutting
$30.00
50g (250 Carats) Diamond Polishing Lapping Paste Compound – Mirror Finish for Glass, Gemstones, Metal & Ceramics
$16.00
8"x1/2" Copper Flat Polishing Lap – 3mm Lapidary Metal Polishing Disc
$85.00
5-3/4" Taurus 3.0 Ring Saw Replacement Diamond Coated Blade – Glass, Tile & Stone Cutting
$35.00
8" Diamond Lapping Film Discs 5pcs Set– Precision Polishing & Grinding Films for Hard Materials
$60.00
5-3/4" Taurus II.2 Ring Saw Replacement Diamond Coated Blades – Glass & Tile Cutting
$38.00
2.0mm 10pcs Set Mini Diamond Hollow Drill Bit
$12.00
760mmx25mm 1200Grit Diamond Flexible Abrasive Finishing Sanding Belts
$35.00
8"x3" Expandable Rubber Drum Wheel for Lapidary Sanding & Polishing
$60.00
22mm 240 Grit Nickel Electroplated Diamond Donut Burs – Point Drill Bits for Stone & Jewelry
$5.00
8"x2" 220Grit Premium Sintered Diamond Grinding Wheels for Gemstone & Glass Shaping
$325.00
2.35mm Shank Sintered Diamond Tapered Inverted Cone Carving Burs – Lapidary & Jewelry
$6.00
6"x1-1/2" 100Grit Premium Sintered Diamond Grinding Wheels for Gemstone & Glass Shaping
$195.00
8"x0.028"x0.032"x5/8" Super Slicer Diamond Saw Blade for Precision Stone & Glass Cutting
$40.00
8"x1-1/2" Diamond Concave Carving & Engraving Wheel for Lapidary & Gemstone
$100.00
6"x0.012"x0.016"x5/8" Super Slicer Diamond Saw Blade for Precision Stone & Glass Cutting
$30.00
8" Aluminum Polishing Head System – Durable & High-Precision Polishing
$19.00
8"x1-1/2" 60Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$67.00
2.35mm Shaft Tungsten Carbide Tree Pointed Burr Set – 10pcs
$18.00
840mm Diamond Wire Saw Loop for Precision Cutting of Hard Materials
$40.00
8"x1-1/2" 50000Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$67.00
8"x1/2" Tin Polishing Faceting Plate Lap Disc – Precision Polishing with Minor Surface Imperfections
$125.00
6"x1-1/2" 14000Grit REZ Diamond Soft Lapidary Wheels for Gemstone Grinding & Polishing
$52.00
14"x0.985"x0.048" Thick Notched Coarse Cut Diamond Saw Blades 5pcs | Durable Lapidary & Stone Cutting
$85.00
6"x1-1/2" 60Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$52.00
6"x0.012"x0.016" x1/2" Super Slicer Diamond Saw Blade for Precision Stone & Glass Cutting
$30.00
6"x1-1/2" 325Grit Rez Premium Diamond Resin Soft Grinding Wheel – Lapidary & Jewelry
$52.00
8" Combination Lapidary Trim Saw – Precision Gemstone & Rock Cutter with Adjustable Drip Water System
$799.00
30" 80Grit Diamond Magnetic Disc | Nickel Bond Grinding & Shaping for Lapidary & Glass
$599.00
8"x1-1/2" 3000Grit REZ Diamond Soft Lapidary Wheels for Gemstone Grinding & Polishing
$67.00
8" Precision 1/4"-20 Left hand Screwback Master Lap
$30.00
8"x3" Resin Diamond Expanding Drum Sanding Belt – Lapidary & Stone Polishing
$40.00
3/4" to 5/8" Diamond Saw Blade Adaptor Rings – 10pcs Bushing Washer Set for Arbor Reduction
$10.00
3.5mm High Hub 12mm Bore to 16mm Adapter Rings & Flanges for Grinding Wheels and Cutting Discs
$6.00
3-in-1 Faceting Polishing Lap – Cast Iron, Copper & Leather for Cabochon Gemstones
$45.00
8"x2" 3000Grit REZ Diamond Soft Lapidary Wheels for Gemstone Grinding & Polishing
$75.00
8"x1-1/2" 1200Grit Diamond Hard Flat Grinding Wheel – Lapidary Stone Shaping & Smoothing
$64.00
5/8" to 1/2" Diamond Saw Blade Adaptor Rings – 10pcs Bushing Washer Set for Arbor Reduction
$10.00
8" Economical 1/4"-20 Right-Hand Screwback Master Support Lap for Lapidary Polishing
$20.00
14"x.036"x.048" Red Thin Rim Sintered Diamond Cutting Saw Blade – Ultra Thin Rim for Precision Cutting
$65.00
3.0mm 10pcs Set 65mm Length Lapidary Diamond Wire Hollow Drill Bit
$7.00
8″ Nickel Bond Full Face Diamond Flat Lap Disc – 45 Grit for Lapidary & Glass Grinding
$18.00
6" Lapidary Cabbing Grinder – 3/4 HP Cabochon Machine with Adjustable Drip Water System for Gemstones & Stone
$1,199.00
Sintered Diamond CNC Bits for Stone Engraving – 5-Piece Set, Cylinder & Contoured Surface Compatible
$10.00