Diamond Drill Bits for Stone

Electroplated

Vacuum Brazed

Small Diameters with U Slot

Continuous Rim Segment

Crown Continuous Segments

Normal Flat Segments

Turbo Segments

Matrix Segments

Double Layers Segments

 

Diamond Drill Bits for Concrete

Dry Use

Norma Flat Segments

Dot Segments

Crown Segments

Cuspate Top Segments

Turbo Segments

Cuspate Turbo Segments

V-Tip Segments

Matrix Segments

 

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Diamond drill bits for concrete - normal flat segments

 

Diamond core drill bits with normal flat segments silver or laser welded diameter 25mm-350mm provide smooth and fast drilling for various concrete of cured reinforced concrete with hard to soft aggregates, green concrete or abrasive materials, such as construction of bridges, high-rise buildings, wall, floor, etc., which have goods quantity of drilling holes, high performance in drilling difficult operation conditions, especially reinforced concrete with much steel bars or pebble stone.

 

Usually using 45# seamless steel pipe, the diamond core bit will not deform and bend in the event of working.

 

Welding Type: High frequency silver welding or Laser welding.

 

Wet Use.

 

Assembled drill bit is available.

 

Used with Hydraulic power drilling machines, electric hand-held drills.

 

 

 

 

Code No.

Diameter

Segment Size

Segment No.

Working Length Welding Method Adaptor
DDB-C02-25

25mm

15x3.0x10

3

230mm

370mm

400mm

450mm

500mm

or Customized

Silver welding

or

Laser welding

1/2 Gas

1/2 Bsp

M14

M22

5/8"-11

1-1/4UNC

 

DDB-C02-28

28mm

15x3.0x10

3
DDB-C02-30 30mm 15x3.0x10 3
DDB-C02-32

32mm

15x3.0x10

4
DDB-C02-36

36mm

15x3.0x10

4
DDB-C02-38

38mm

16x3.2x10

5
DDB-C02-40 40mm 16x3.2x10 5
DDB-C02-42

42mm

16x3.2x10

5
DDB-C02-47

47mm

16x3.2x10

4
DDB-C02-51

51mm

24x3.5x10

5
DDB-C02-63 63mm 24x3.5x10 6
DDB-C02-68 68mm 24x3.5x10 6
DDB-C02-78 78mm 24x3.5x10 7
DDB-C02-82 82mm 24x3.5x10 7
DDB-C02-92 92mm 24x3.5x10 8
DDB-C02-102 102mm 24x3.5x10 9
DDB-C02-108 108mm 24x3.5x10 9
DDB-C02-112 112mm 24x4.0x10 9
DDB-C02-122 122mm 24x4.0x10 10
DDB-C02-127 127mm 24x4.0x10 11
DDB-C02-132 132mm 24x4.0x10 11
DDB-C02-152 152mm 24x4.0x10 12
DDB-C02-162 162mm 24x4.5x10 12
DDB-C02-172 172mm 24x4.5x10 12
DDB-C02-182 182mm 24x4.5x10 13
DDB-C02-202 202mm 24x4.5x10 15
DDB-C02-212 212mm 24x4.5x10 16
DDB-C02-225 225mm 24x4.5x10 16
DDB-C02-250 250mm 24x4.5x10 16
DDB-C02-300 300mm 24x5.0x10 17
DDB-C02-350 350mm 24x5.5x10 20

 

 

The above specifications & photos are for reference, other specification may be available as per demand.

 

 

 

 

Relevant products:

 

 

         
 

 

 

 

 

 

China Diamant Tools Co., Limited

Address: No.803, 2#, C Area, DaJiangShengShi, WanAn, Luojiang, Quanzhou City, Fujian Province, China 362011

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