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Collection: Specialized Drill Bits

Specialized diamond drilling tools for lapidary, jewelry, glass art, and precision stone work.

25mm 80 Grit Diamond Countersink Bits – 6mm Shank, 90° for Stone, Glass & Tile

Sale

25mm 80 Grit Diamond Countersink Bits – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $5.98 USD

Regular price ~~$13.68 USD~~ Sale price $5.98 USD

Sale
0.8mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

0.8mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
20mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

20mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $6.41 USD

Regular price ~~$13.68 USD~~ Sale price $6.41 USD

Sale
30mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

30mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $7.26 USD

Regular price ~~$13.68 USD~~ Sale price $7.26 USD

Sale
40mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

40mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $10.26 USD

Regular price ~~$20.51 USD~~ Sale price $10.26 USD

Sale
50mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

50mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $13.68 USD

Regular price ~~$27.35 USD~~ Sale price $13.68 USD

Sale
60mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

60mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $15.38 USD

Regular price ~~$30.77 USD~~ Sale price $15.38 USD

Sale
70mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

70mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $17.09 USD

Regular price ~~$30.77 USD~~ Sale price $17.09 USD

Sale
70mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

70mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $17.09 USD

Regular price ~~$30.77 USD~~ Sale price $17.09 USD

Sale
60mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

60mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $15.38 USD

Regular price ~~$30.77 USD~~ Sale price $15.38 USD

Sale
50mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

50mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $13.68 USD

Regular price ~~$27.35 USD~~ Sale price $13.68 USD

Sale
40mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

40mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $10.26 USD

Regular price ~~$20.51 USD~~ Sale price $10.26 USD

Sale
30mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

30mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $7.26 USD

Regular price ~~$13.68 USD~~ Sale price $7.26 USD

Sale
20mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

20mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $6.41 USD

Regular price ~~$13.68 USD~~ Sale price $6.41 USD

Sale
45mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

45mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $10.26 USD

Regular price ~~$20.51 USD~~ Sale price $10.26 USD

Sale
35mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

35mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $7.26 USD

Regular price ~~$13.68 USD~~ Sale price $7.26 USD

Sale
25mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

25mm 240 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $6.41 USD

Regular price ~~$13.68 USD~~ Sale price $6.41 USD

Sale
45mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

45mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $10.26 USD

Regular price ~~$20.51 USD~~ Sale price $10.26 USD

Sale
35mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

35mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $7.26 USD

Regular price ~~$13.68 USD~~ Sale price $7.26 USD

Sale
25mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Sale

25mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

Vendor:
hanslapidarytool

Regular price $6.41 USD

Regular price ~~$13.68 USD~~ Sale price $6.41 USD

Sale
1.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

1.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
1.2mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

1.2mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
1.5mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

1.5mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
1.8mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

1.8mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
2.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

2.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
2.5mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

2.5mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
3.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

3.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

1 total reviews

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
3.5mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

3.5mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
4.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Sale

4.0mm Diamond Twist Drill Bit, 10pcs – Precision Drilling for Glass, Stone & Ceramic

Vendor:
hanslapidarytool

Regular price $8.55 USD

Regular price ~~$17.09 USD~~ Sale price $8.55 USD

Sale
6mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

6mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $5.98 USD

Regular price ~~$11.97 USD~~ Sale price $5.98 USD

Sale
8mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

8mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $6.41 USD

Regular price ~~$11.97 USD~~ Sale price $6.41 USD

Sale
10mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

10mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $7.26 USD

Regular price ~~$11.97 USD~~ Sale price $7.26 USD

Sale
12mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

12mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $7.26 USD

Regular price ~~$11.97 USD~~ Sale price $7.26 USD

Sale
14mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

14mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $8.12 USD

Regular price ~~$11.97 USD~~ Sale price $8.12 USD

Sale
16mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

16mm 80 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $9.40 USD

Regular price ~~$11.97 USD~~ Sale price $9.40 USD

Sale
6mm 400 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Sale

6mm 400 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

Vendor:
hanslapidarytool

Regular price $5.98 USD

Regular price ~~$11.97 USD~~ Sale price $5.98 USD

Sale