Home > Core Bits
Core Bits

Diamond Dry and Wet Core Bits

We offer many different types of diamond core bits and drilling options for granite, marble, quartz, porcelain, ceramic, and the new sintered stone such as Dekton and Lapitec.

High Grade Core Bits

The Weha CNC core bits are high grade CNC core bits for use on all CNC machines. Our CNC diamond core bits come with the 1/2 gas thread.

High Speed Core Bits

The dry diamond core bits are high speed diamond core bits for granite, marble, and engineered stone. With diamonds on both the inside and outside of the core, these 5/8-11 threaded high speed diamond core bits will drill a hole in granite in less than 30 seconds.

Wet Diamond Core Bits

Weha also offers the traditional wet diamond core drill bits for shop use. These diamond core bits will drill granite, engineered stone and will drill marble without chipping or blowout.

Weha carries the small diameter diamond non coring bits for anchors, bolts, etc. Please click on one of the diamond core bit options below to see all the sizes and details to fit your fabrication needs.

Sort By:
Page of 2
Best 3" CNC Core Bit, Quartzite Core Bit, Granite CNC Core Bit, Marble CNC Core Bit, Part # 142919 Best 2" CNC Core Bit, Quartzite Core Bit, Granite CNC Core Bit, Marble CNC Core Bit, Part # 142918 4" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142902
. . .
3" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 1472901 2 1/2" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142900 2" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142899
. . .
1 3/4" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142897 1 1/2" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142896 1 1/4" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142895
. . .
1" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142893 3/4" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142892 1/2" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142890
. . .
3/8" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142889 1/4" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 142888 Best 1/2" CNC Core Bit, Quartzite Core Bit, Granite CNC Core Bit, Marble CNC Core Bit, Part # 142887
. . .
Best 1 1/4" CNC Core Bit, Quartzite Core Bit, Granite CNC Core Bit, Marble CNC Core Bit, Part # 142883 Best 3 1/2" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142873 Best 3 1/4" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142872
.

Best 3" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142871 Best  2 3/4" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142870 Best 2 1/2" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142869



Best 2 3/8" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142868 Best 2 1/4" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142867 Best 2" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142866



Best 1 3/8" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142865 Best  1 1/2" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142864 Best 1 1 /4" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142863



Best 1 3/8" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142862 Best 1" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142861 Best 3/4" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142860



Best 1/2" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142859 Best 3/8" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142858 Best 5/16" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142857



Best 1/4" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142853 Best 3/16" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 142852 Best 3" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 142851


.
Best 2 1/2" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 142849 Best 2" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 142848 Best 1 1/2" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 142846
. . .
Best 1 1 /4" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 142845 Best 1" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 142844 Best 1 3/4" CNC Core Bit, Quartzite Core Bit, Granite CNC Core Bit, Marble CNC Core Bit, Part # 140820
. . .
Best 1 3/8" CNC Dekton Core Bit, Lapitec Core Bit, Neolith CNC Core Bit, Porcelain Core Bit, Part # 139192 1 3/8" Quartz Core Bit, Quartz Core Bit, Quartzite Core Bit, Marble Core Bit Part # 139132 14mm 1/2 Gas cnc Core bit
14mm 1/2 Gas cnc Core bit
Weha Price: $99.80
. . 14mm 1/2 Gas CNC Core Bit
Best 1 3/8" CNC Core Bit, Quartzite Core Bit, Granite CNC Core Bit, Marble CNC Core Bit, Part # 139329 Best 1 3/8" Dekton Core Bit, Lapitec Core Bit, Neolith Core Bit, Porcelain Core Bit, Part # 139193 Weha Dry Magic 1 3/4" 45mm Vacuum Brazed Core Bit #134498
.
.
1/2" 12mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drill Part #125539 135630 3/8" 10mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drill Part #125538 135629 5/16" 8mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drill Part #125535
3/8" 10mm Dry Magic Core Bi
Weha Price: $30.00

(1)
5/16" 8mm Dry Magic Core Bi
Weha Price: $28.00

(1)
. . .
1/4"-6mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drill Part #125535 135627 9/16" Ceramic Drill Bit, 9/16" Porcelain Drill Bit, 9/16" Diamond Drill Bit Weha Dry Magic 9/16" 14mm Hex Core bitPart # 121865 1/2" Ceramic Drill Bit, 1/2" Porcelain Core Drill Bit, 1/2" Diamond Drill Bit, Dry Magic 1/2" 12mm Hex Core bit part # 125526
9/16" Dry Magic Core Bit
Weha Price: $21.50
1/2" Dry Magic Core Bit
Weha Price: $32.00
. . .
3/8" Ceramic Core Drill Bit, 3/8" Porcelain Core Drill Bit, Dry Magic 3/8" 10mm Hex Diamond Core bit Part # 121845 Ceramic Core Drill Bit, Porcelain Core Drill Bit, Granite Core Drill Bit, 5/16" 8mm Hex Core bit Part # 121813 Dry Diamond Core Drill Bit, Ceramic Core Drill Bit, Granite Core Bit 1/4" 6mm Hex Core bits Part # 121812
3/8" Dry Magic Core Bit
Weha Price: $30.00
5/16" Dry Magic Core Bit
Weha Price: $22.75
1/4" Dry Magic Core Bit
Weha Price: $26.00
. . .
9/16" 14mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drill Part #125540 Dekton Core Bit, Ceramic Core Bit, Granite Core Bit, Porcelain Core Bit, Marble Core Bit Part # 134501 2 3/8" Ceramic Core Bit, Porcelain Core Bit, Dry Diamond Core Drill Part # 134500
9/16" 14mm Dry Magic Core
Weha Price: $34.00
. . .
Weha Dry Magic 2"-50mm Vacuum Brazed Core Bit #134499 Weha Dry Magic 1 1/2"-40mm Vacuum Brazed Core Bit #134498 1 3/8"-35mm Vacuum Brazed Core Bit, Dekton Core Bit, Porcelain Core Bit, Ceramic Dry Core Drill Part #134495
2" (50mm) Dry Magic Vacuum
Weha Price: $66.00
. . .
Weha Dry Magic 1 1/4"-32mm Vacuum Brazed Core Bit #134493 1"-25mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drillit #134491 3/4"-20mm Vacuum Brazed Core Bit, Dry Magic, Porcelain Core Bit, Ceramic Dry Core Drill Part #134489
1" (25mm) Dry Magic Vacuum
Weha Price: $42.00
. . .
½" shaftx 5/8-11 thread  Part # 70149 Adapter, 5/8-11 to M14,  Part # 4523 Ceramic Core Bit, Porcelain Core Drill, Lapitec Bit, Dekton Core Drill, Part # PCD50
" shaftx 5/8-11 thread
Weha Price: $9.50
Weha Ceramica 2" Core Bit
Weha Price: $106.00
. . .
Ceramic Core Bit, Porcelain Core Drill, Lapitec Bit, Dekton Core Drill, 4 Part # PCD100 Ceramic Core Bit, Porcelain Core Drill, Lapitec Bit, Dekton Core Drill, 1 3/8 Part # PCD35 1" x 5/8-11 Porcelain & Ceramic Core Bit Wet Part # PCD28
Weha Ceramica 4" Core Bit
Weha Price: $208.00
Weha Ceramica 1 3/8" Core Bi
Weha Price: $81.00

(1)
Weha Ceramica 1" Core Bit
Weha Price: $66.00
. . .
3/4" x 5/8-11 Porcelain & Ceramic Core Bit Wet Part # PCD20 Ceramic Core Bit, Porcelain Core Drill, Lapitec Bit, Dekton Core Drill, 1/2" Part # PCD12 Ceramic Core Bit, Porcelain Core Drill, Lapitec Bit, Dekton Core Drill, 3/8 Part # PCD10
. . ..1