Electroformed Diamond Core Drills 0.118″-0.999″

Belgium mounted ( 1/2- Gas ) electroformed diamond core drills are  drilling tools that utilize a nickel electroforming process to bond diamond particles directly to the drill body. Unlike sintered or metal bond drills, electroformed drills are electroformed in a nickel bath where diamond grit is applied resulting in a thin wall construction.

Key Features:

  • Thin-Walled Design – Produces very fine, accurate hole.

  • Sharp Cutting Action – Exposed diamond layer provides aggressive cutting with less pressure.

  • Coolant Compatibility – Typically used with water or oil-based coolant to extend tool life.

  • Nickel Matrix Bond – Electroformed nickel holds diamond crystals securely in place.

Advantages:

  • Less heat generation compared to sintered drills.

  • Can drill delicate, brittle, or hard materials without excessive chipping.

  • Excellent for small diameters and deep drilling.

Common Applications:

  • Optical materials: glass lenses, quartz, sapphire.

  • Ceramics & composites: technical ceramics, silicon carbide.

  • Semiconductor industry: silicon wafers, substrates.

  • Medical components: dental ceramics, bone implants.

  • Aerospace & electronics: advanced composites, crystals.

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Specifications

ITEM#

DCDGSB118A

DCDGSB125A

DCDGSB157A

DCDGSB223A

DCDGSB224A

DCDGSB240A

DCDGSB314A

DCDGSB330A

DCDGSB334A

DCDGSB367A

DCDGSB375A

DCDGSB411A

DCDGSB415A

DCDGSB448A

DCDGSB475A

DCDGSB488A

DCDGSB492A

DCDGSB507A

DCDGSB546A

DCDGSB552A

DCDGSB562A

DCDGSB613A

DCDGSB671A

DCDGSB676A

DCDGSB689A

DCDGSB692A

DCDGSB757A

DCDGSB788A

DCDGSB792A

DCDGSB867A

DCDGSB880A

DCDGSB956A

DCDGSB974A

DCDGSB988A

OD

0.118

0.125

0.157

0.223

0.224

0.240

0.314

0.330

0.334

0.367

0.375

0.411

0.415

0.448

0.475

0.488

0.492

0.507

0.546

0.552

0.562

0.613

0.671

0.676

0.689

0.692

0.757

0.788

0.792

0.867

0.880

0.956

0.974

0.988

ID

0.040

0.045

0.100

0.164

0.166

0.180

0.265

0.267

0.269

0.307

0.320

0.360

0.350

0.385

0.410

0.415

0.430

0.445

0.480

0.485

0.500

0.550

0.615

0.607

0.625

0.625

0.680

0.705

0.724

0.800

0.809

0.890

0.905

0.924

L

1.500

1.500

1.500

1.000

1.750

1.750

1.300

1.300

1.300

1.300

1.275

1.750

1.750

1.300

1.300

1.300

1.300

1.300

1.300

1.300

2.000

1.300

1.300

1.300

1.300

2.000

1.300

0.900

1.750

1.300

1.750

1.300

1.300

1.300

MOUNT

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

BELGUIM

GRIT

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

100/120

ITEM#:

DCDGSB118A

OD:

0.118

ID:

0.040

L:

1.500

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB125A

OD:

0.125

ID:

0.045

L:

1.500

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB157A

OD:

0.157

ID:

0.100

L:

1.500

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB223A

OD:

0.223

ID:

0.164

L:

1.000

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB224A

OD:

0.224

ID:

0.166

L:

1.750

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB240A

OD:

0.240

ID:

0.180

L:

1.750

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB314A

OD:

0.314

ID:

0.265

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB330A

OD:

0.330

ID:

0.267

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB334A

OD:

0.334

ID:

0.269

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB367A

OD:

0.367

ID:

0.307

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB375A

OD:

0.375

ID:

0.320

L:

1.275

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB411A

OD:

0.411

ID:

0.360

L:

1.750

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB415A

OD:

0.415

ID:

0.350

L:

1.750

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB448A

OD:

0.448

ID:

0.385

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB475A

OD:

0.475

ID:

0.410

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB488A

OD:

0.488

ID:

0.415

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB492A

OD:

0.492

ID:

0.430

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB507A

OD:

0.507

ID:

0.445

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB546A

OD:

0.546

ID:

0.480

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB552A

OD:

0.552

ID:

0.485

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB562A

OD:

0.562

ID:

0.500

L:

2.000

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB613A

OD:

0.613

ID:

0.550

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB671A

OD:

0.671

ID:

0.615

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB676A

OD:

0.676

ID:

0.607

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB689A

OD:

0.689

ID:

0.625

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB692A

OD:

0.692

ID:

0.625

L:

2.000

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB757A

OD:

0.757

ID:

0.680

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB788A

OD:

0.788

ID:

0.705

L:

0.900

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB792A

OD:

0.792

ID:

0.724

L:

1.750

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB867A

OD:

0.867

ID:

0.800

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB880A

OD:

0.880

ID:

0.809

L:

1.750

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB956A

OD:

0.956

ID:

0.890

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB974A

OD:

0.974

ID:

0.905

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

ITEM#:

DCDGSB988A

OD:

0.988

ID:

0.924

L:

1.300

MOUNT:

BELGUIM

GRIT:

100/120

Product Added

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