2Pcs 16-38 mm Lapidary Super-thin Diamond Coated Drill Bit Hole Saw 0.5-0.6mm Rim Save Materials for Jasper Glass 
Model: Diamond Hole Saw Drill Bit     
Type:   Hole Cutter
Quantity:  Total 2Pcs
Hole Diameter: Please select the Hole Diamter you need

Hole Diameter

External
Diameter

 Internal
Diameter

Shank
Diameter

Rim
Thickness

Total
Length

Drilling
Depth

Quantity

16mm (5/8 inch)

16mm

14.5

6-7.5

0.6

50

23

2 Pieces

16.5mm

16.5mm

15

6-7.5

0.6

50

23

2 Pieces

17mm (43/64 inch)

17mm

15.5

6-7.5

0.6

50

23

2 Pieces

17.5mm

17.5mm

16

6-7.5

0.6

50

23

2 Pieces

18mm (23/32 inch)

18mm

16.5

6-7.9

0.6

52

24

2 Pieces

18.5mm

18.5mm

17

6-7.9

0.6

52

24

2 Pieces

19mm (close to 3/4")

19mm

17.5

6-7.9

0.6

52

24

2 Pieces

19.5mm

19.5mm

18

6-7.9

0.6

52

24

2 Pieces

20mm

20mm

18.5

6-7.9

0.6

52

24

2 Pieces

20.5mm

20.5mm

19

6-7.9

0.6

52

24

2 Pieces

21mm

21mm

19.5

8-8.5

0.6

52

24

2 Pieces

21.5mm

21.5mm

20

8-8.5

0.6

52

24

2 Pieces

22mm (7/8 inch)

22mm

20.5

8-8.5

0.6

52

24

2 Pieces

22.5mm(close to 7/8")

22.5mm

21

8-8.5

0.6

52

24

2 Pieces

23mm

23mm

21.5

8-8.5

0.6

52

24

2 Pieces

23.5mm

23.5mm

22

8-8.5

0.6

52

24

2 Pieces

24mm(close to  15/16")

24mm

22.5

8-8.5

0.6

52

24

2 Pieces

24.5mm

24.5mm

23

8-8.5

0.6

52

24

2 Pieces

25mm (close to 1 inch)

25mm

23.5

8-8.5

0.6

52

24

2 Pieces

25.5mm (1 inch)

25.5mm

24

8-8.5

0.6

52

24

2 Pieces

26mm (1 1/32 inch)

26mm

24.5

8-8.5

0.6

52

24

2 Pieces

26.5mm

26.5mm

25

8-8.5

0.6

52

24

2 Pieces

27mm (1 1/16 inch)

27mm

25.5

8-8.5

0.6

52

24

2 Pieces

27.5mm

27.5mm

26

8-8.5

0.6

52

24

2 Pieces

28mm (1 1/8 inch)

28mm

26.5

8-8.5

0.6

52

24

2 Pieces

28.5mm

28.5mm

27

8-8.5

0.6

52

24

2 Pieces

29mm (1 5/32 inch)

29mm

27.5

8-8.5

0.6

52

24

2 Pieces

29.5mm

29.5mm

28

8-8.5

0.6

52

24

2 Pieces

30mm (1 3/16 inch)

30mm

28.5

10

0.6

55

24

2 Pieces

30.5mm

30.5mm

29

10

0.6

55

24

2 Pieces

31mm

31mm

29.5

10

0.6

55

24

2 Pieces

31.5mm

31.5mm

30

10

0.6

55

24

2 Pieces

32mm (1 1/4 inch)

32mm

30.5

10

0.6

55

24

2 Pieces

32.5mm

32.5mm

31

10

0.6

55

24

2 Pieces

33mm (1 5/16 inch)

33mm

31.5

10

0.6

55

24

2 Pieces

33.5mm

33.5mm

32

10

0.6

55

24

2 Pieces

34mm (1 11/32 inch)

34mm

32.5

10

0.6

55

24

2 Pieces

34.5mm

34.5mm

33

10

0.6

55

24

2 Pieces

35mm (1 3/8 inch)

35mm

33.5

10

0.6

55

24

2 Pieces

35.5mm

35.5mm

34

10

0.6

55

24

2 Pieces

36mm (1 7/16 inch)

36mm

34.5

10

0.6

55

24

2 Pieces

36.5mm

36.5mm

35

10

0.6

55

24

2 Pieces

37mm (1 15/32 inch)

37mm

35.5

10

0.6

55

24

2 Pieces

38mm (1 1/2 inch)

38mm

36.3

10

0.6

55

24

2 Pieces

 
Product Description
1.The super-thin Electroplated diamond drill bits are one of the finest drill bit manufactured for Hobby, Lapidary, Glass applications. 
2.This diamond drill bit will perform well on drilling just about any kind of rock
From the very soft Petoskey Stone fossils to hard jasper and agate, and so on precious materials.Especially suitable for use on hard lapidary materials like agate, jasper, petrified wood and geodes.
3.Apply to drilling the ceramics and glass widely
For example: the glass of watch, optical glass, super-thin glass, architecture glass, automobile glass, LCD glass, quartz glass etc. 
Product advantages
Diamond drill bit very thin, can reduce material consumption maximize: 
The thickness of the drill bit’s rim is only 0.5-0.6 mm, the material of Processed aren’t damaged during drilling process, save material for high value jade, agate, jasper, petrified wood and geodes. A very good cost effective option for those that want very thin kerfs.
Hole drilling high precision:
The rim of drill bits are very smooth and thin to meet the most exacting faceting requirements. Neat, smooth, no broken edge. 
High drilling efficiency:
Sharp, improve the drilling speed, Drill a Holes In Seconds
Long service life:
Super-thin drill bits are made of high quality fine diamond particles, it’s more durable than common diamond bit! Drilling hole after a period of time, We recommend that you using the drill bit to drill white corundum grinding wheel for several times, the diamond particles on the front end of the drill will appear again, and then you can continue to use the drill bit.
Quick Tips
1. Water or coolant must always be used to cool and lubricate the tip.
2. The bit is suitable for use in bench drill, electric drill or rotary tool, recommended to be used in bench drill.
3. Never use drills while machine is in hammer action.
We Can List Any Size & Amount Of This Product: Hole Diameter from 3mm - 100mm
Regular Air postage from China to Worldwide and takes 15-25 days delivery to your home
We will send out your order within 1-2 days after payment has been received and cleared. 
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