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Drilling Series

Diamond Drill Bits & Core Drills

Diamond drill bits, hole saws, core drills, step drills and chamfer bits for tile, stone, glass and construction materials.
Diamond drill bits and core drills

Diamond Drill Bits & Core Drills

Product images, descriptions and Product Parameters.

Diamond Welded Core Drill Bit
26Laser WeldedDiamond Drill Bits

Diamond Welded Core Drill Bit

1. 25-300mm diameter valiable 2. Diamond drill bits for core drilling machines 3. Specifically designed for drilling holes in hard substrates for concrete. 4. Features a robust construction to ensure little operation of the drilling machine. 5. Its cutting teeth are coated with micro-diamond particles, guaranteeing sharp penetration and significantly enhancing cutting efficiency.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Tooth Height (H/MM)Total Length (L/MM）
2510400
2710400
3210400
3610400
3810400
4010400
4410400
4610400
5110400
5610400
6310400
7110400
7610400
8310400
8910400
9610400
10210400
10810400
11410400
12010400
12710400
13210400
15210400
15910400
16210400
16810400
18010400
20010400
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Diamond Vacuum Brazed Core Drill Bit
27Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Core Drill Bit

1.25-300mm diameter valiable 2. Diamond drill bits for core drilling machines 3. Specifically designed for drilling holes in hard substrates for concrete. 4. Features a robust construction to ensure little operation of the drilling machine. 5. Its cutting teeth are coated with micro-diamond particles, guaranteeing sharp penetration and significantly enhancing cutting efficiency.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Tooth Height (H/MM)Total Length (L/MM）
2510400
2710400
3210400
3610400
3810400
4010400
4410400
4610400
5110400
5610400
6310400
7110400
7610400
8310400
8910400
9610400
10210400
10810400
11410400
12010400
12710400
13210400
15210400
15910400
16210400
16810400
18010400
20010400
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Electroplated Diamond Core Drill Bit
28ElectroplatedDiamond Drill Bits

Electroplated Diamond Core Drill Bit

1. 6-120 size diameter available 2. Secure grip hexagonal shank design. 3. Extremely high hardness and wear resistance. 4. Both dry and wet drilling.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Outer Diameter (D/MM)Shank Diameter(MM)Working Depth (H/MM)Total Length (L/MM）
663055
863055
1063055
1263055
1463055
1663055
1863055
2083055
2583055
2883055
3083055
3583055
38103055
40103055
45103055
50103055
55103055
55103055
60103055
65103055
70103055
75103055
80103055
85103055
90103055
95103055
100103055
105103055
110103055
115103055
120103055
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Diamond Vacuum Brazed Core Drill Bits Set
29Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Core Drill Bits Set

1. Widely applicable to drilling in ceramic tiles, granite, marble, and other stone materials. 2. High diamond exposure rate, resulting in faster drilling speed and higher efficiency. 3. Sizes from 6-120mm are available. 4. Both dry and wet use.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)Total Length (L/MM）
6M141060
8M141060
10M141060
12M141060
14M141060
16M141060
18M141060
20M141060
25M141060
28M141060
30M141060
35M141060
38M141060
40M141060
45M141060
50M141060
55M141060
60M141060
65M141060
70M141060
75M141060
80M141060
85M141060
90M141060
95M141060
100M141060
105M141060
110M141060
115M141060
120M141060
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Diamond Vacuum Brazed Multi-row Serrated Side-edge Step Drill Bit
30Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Multi-row Serrated Side-edge Step Drill Bit

1. Multi-row serrated side cutting edges for higher efficiency 2. Its multilayered allows gradual hole enlargement, suitable for different materials. 3. Perfect for enlarging plumbing holes in marble countertops, trimming rough edges at glass tabletops

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeTotal Length (L/MM）
25-35-45M1460
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Diamond Vacuum Brazed Step Drill Bit
31Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Step Drill Bit

1.Its multilayered allows gradual hole enlargement, suitable for different materials. 2. Perfect for enlarging plumbing holes in marble countertops, trimming rough edges at glass tabletops 3.straight design ensures fast chip removal and extended durability

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeTotal Length (L/MM）
25-35-45M1460
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Wax-coated Diamond Chamfering Tool
32Custom ProcessDiamond Drill Bits

Wax-coated Diamond Chamfering Tool

1. With wax filled 2. With M14 thread 3. Suitable for both enlarging cuts and grinding little repair areas. 4. Ideal for improving the finish of exposed holes. 5. Dry and wet use.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting Type
25M14
30M14
38M14
40M14
45M14
48M14
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Diamond Vacuum Brazed Chamfer Bits
33Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Chamfer Bits

1.Bevel Ease chamfers and stress relieves rough holes in glass, ceramic and porcelain tiles. 2.Suitable for both enlarging cuts and grinding little repair areas. 3. Ideal for improving the finish of exposed holes. 4. Dry and wet use.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting Type
25M14
30M14
38M14
40M14
45M14
48M14
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CNC Diamond Core Drill Bit
34Custom ProcessDiamond Drill Bits

CNC Diamond Core Drill Bit

1.Mainly used for CNC machine. 2.Industrial-grade, with extremely high precision and sharpness. 3.6-120 size diameter available.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)
6GAS1/210
8GAS1/210
10GAS1/210
12GAS1/210
14GAS1/210
16GAS1/210
18GAS1/210
20GAS1/210
25GAS1/210
28GAS1/210
30GAS1/210
35GAS1/210
38GAS1/210
40GAS1/210
45GAS1/210
50GAS1/210
55GAS1/210
60GAS1/210
65GAS1/210
70GAS1/210
75GAS1/210
80GAS1/210
85GAS1/210
90GAS1/210
95GAS1/210
100GAS1/210
105GAS1/210
110GAS1/210
115GAS1/210
120GAS1/210
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Diamond Vacuum Brazed High Precision Drill Bit
35Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed High Precision Drill Bit

1.With wax filled. 2.6-14 size diameter available. 3.Fast and fluent drilling. 4.Secure grip hexagonal shank design.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)Total Length (L/MM）
6Hex1065
8Hex1080
10Hex1080
12Hex1080
14Hex1080
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5/8-11 Diamond Hole Saw Cutter
36Custom ProcessDiamond Drill Bits

5/8-11 Diamond Hole Saw Cutter

1. Used for opening holes in marble, tile, ceramics and granite ect. 2. Available Diameters: 6-120mm 3. Both dry and wet drilling. 4. High efficient drilling.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)Total Length (L/MM）
65/8-111060
85/8-111060
105/8-111060
125/8-111060
145/8-111060
165/8-111060
185/8-111060
205/8-111060
255/8-111060
285/8-111060
305/8-111060
355/8-111060
385/8-111060
405/8-111060
455/8-111060
505/8-111060
555/8-111060
605/8-111060
655/8-111060
705/8-111060
755/8-111060
805/8-111060
855/8-111060
905/8-111060
955/8-111060
1005/8-111060
1055/8-111060
1105/8-111060
1155/8-111060
1205/8-111060
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Diamond Vacuum Brazed Drill Bit With Teeth
37Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Drill Bit With Teeth

1.M14 Universal Thread for use with Angle Grinders. 2.Provides accurate, clean holes without chipping 3.Both dry and wet drilling. 4.High efficient drilling.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)Total Length (L/MM）
6M141060
8M141060
10M141060
12M141060
14M141060
16M141060
18M141060
20M141060
25M141060
28M141060
30M141060
35M141060
38M141060
40M141060
45M141060
50M141060
55M141060
60M141060
65M141060
70M141060
75M141060
80M141060
85M141060
90M141060
95M141060
100M141060
105M141060
110M141060
115M141060
120M141060
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M14 Diamond Vacuum Brazed Drill Bit
38Vacuum BrazedDiamond Drill Bits

M14 Diamond Vacuum Brazed Drill Bit

1.M14 Universal Thread for use with Angle Grinders. 2.Slotted Barrels for ease of stock removal and cooling. 3.Both dry and wet drilling. 4.High efficient drilling.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)Total Length (L/MM）
14M141060
16M141060
18M141060
20M141060
25M141060
28M141060
30M141060
35M141060
38M141060
40M141060
45M141060
50M141060
55M141060
60M141060
65M141060
70M141060
75M141060
80M141060
85M141060
90M141060
95M141060
100M141060
105M141060
110M141060
115M141060
120M141060
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6-12mm Diamond Vacuum Brazed Drill Bit
39Vacuum BrazedDiamond Drill Bits

6-12mm Diamond Vacuum Brazed Drill Bit

1.M14 Universal Thread for use with Angle Grinders 2.No water required, wax lubricated and cooled 3. Efficient drilling.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (D/MM)Fitting TypeDiamond Height (H/MM)Total Length (L/MM）
6M141060
8M141060
10M141060
12M141060
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Diamond Vacuum Brazed Core Drill Bit
40Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Core Drill Bit

1. Dry and wet drilling suitable for ceramics, tiles, granite, marble, stone, masonry, and bricks. 2. Can be used for drilling at higher temperatures. 3. Possesses good surface finish.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
D iameter (D/MM)Fitting TypeDiamond H eight (H/MM)Total Length ( L /MM ）
6HEX1060
8HEX1060
10HEX1060
12HEX1060
14HEX1060
16HEX1060
18HEX1060
20HEX1060
25HEX1060
28HEX1060
30HEX1060
35HEX1060
38HEX1060
40HEX1060
45HEX1060
50HEX1060
55HEX1060
60HEX1060
65HEX1060
70HEX1060
75HEX1060
80HEX1060
85HEX1060
90HEX1060
95HEX1060
100HEX1060
105HEX1060
110HEX1060
115HEX1060
120HEX1060
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Diamond Vacuum Brazed Durable Hole Saw Drilling Bits
41Vacuum BrazedDiamond Drill Bits

Diamond Vacuum Brazed Durable Hole Saw Drilling Bits

1.Designed for efficient cutting in hard materials like tile, marble, and ceramic. 2.Superior drilling speed and minimal chipping.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Product SpecificationsOpening Diameter(MM)Outer Diameter(MM)Fitting TypeTotal Length(MM)
40-604060M1460
45-654565M1460
50-705070M1460
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Electroplated Diamond Umbrella Chamfering Head – Tile & Glass Grinding Tool
66ElectroplatedDiamond Drill Bits

Electroplated Diamond Umbrella Chamfering Head – Tile & Glass Grinding Tool

GRITech can manufacture this product type with buyer-specific dimensions, grit, connection, application material and private-label packaging.

Custom Options
DiameterWorking LengthTotal LengthDiamond / Segment HeightThread / ShankCooling SlotGritApplication Material
Product Parameters
Diameter (MM)Shank Diameter(MM)Working Length(MM)Shank Length(MM）Total Length(MM)
66/8303060
86/8303060
106/8303060
126/8303060
156/8303060
186/8303060
206/8303060
256/8303060
306/8303060
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OEM / ODM Inquiry

Send drawings, samples or target material for customized parameters.

Diameter, connection, grit, bond, working length, machine type, packaging and private label can be matched to your market.
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