25Pcs 3-50mm Super-Thin Lapidary Diamond Drill Bits Coated Hole Saw for Gemstone

Description

25Pcs 3 4 5 6 7 8 10 12 13 14 15 16 18 20 22 25 27 30 32 35 38 40 42 45 50
mm Kit
Lapidary Super-thin Diamond Coated Drill Bit Hole Saw 0.5-0.6mm Rim Save Materials for Jasper
Item specifics
Produce Name:
Gemstone Drill Bits, Jewelry Drill Bits
Type:         Hole Cutter
Rim Thickness:  only 0.6-0.7 mm
Quantity:   Total 25
Pcs
, include as below:
Specifications
External
Diameter
Internal Diameter
Shank Diameter
Rim Thickness
Total Length
Drilling depth
Quantity
3mm (1/8 inch)
3mm
1.9
2.5
0.7
46
15
1 Piece
4mm (5/32 inch)
4mm
2.7
3.5
0.7
46
20
1 Piece
5mm (3/16
inch)
5mm
3.6
4.6
0.7
50
20
1 Piece
6mm (1/4 inch)
6mm
4.8
6-6.5
0.7
50
20
1 Piece
7mm (9/32
inch)
7mm
5.7
6-6.5
0.7
50
20
1 Piece
8mm (5/16 inch)
8mm
6.7
6-7.5
0.7
50
22
1 Piece
10mm (3/8
inch)
10mm
8.8
6-7.5
0.7
50
23
1 Piece
12mm (15/32
inch)
12mm
10.5
6-7.5
0.7
50
23
1 Piece
13mm (close to
1/2″)
13mm
11.5
6-7.5
0.7
50
23
1Piece
14mm (9/16
inch)
14mm
12.5
6-7.5
0.7
50
23
1 Piece
15mm (19/32
inch)
15mm
13.5
6-7.5
0.7
50
23
1 Piece
16mm (5/8
inch)
16mm
14.5
6-7.5
0.7
50
23
1 Piece
18mm (23/32
inch)
18mm
16.5
6-7.9
0.7
52
24
1 Piece
20mm (3/4
inch)
20mm
18.5
6-7.9
0.7
52
24
1 Piece
22mm (7/8
inch)
22mm
20.5
8-8.5
0.7
52
24
1 Piece
25mm (close to
1 inch)
25mm
23.5
8-8.5
0.7
52
24
1 Piece
27mm (1 1/16
inch)
27mm
25.5
8-8.5
0.7
52
24
1 Piece
30mm (1 3/16
inch)
30mm
28.5
8-8.5
0.7
52
24
1 Piece
32mm (1 1/4
inch)
32mm
30.5
8-8.5
0.7
52
24
1 Piece
35mm (1 3/8
inch)
35mm
33
10
0.7
55
24
1 Piece
38mm (1 1/2
inch)
38mm
36.3
10
0.7
55
24
1 Piece
40mm (1 9/16
inch)
40mm
38.5
10
0.7
55
24
1 Piece
42mm (1 21/32
inch)
42mm
40.5
10
0.7
55
24
1 Piece
45mm (1 3/4
inch)
45mm
43.5
10
0.7
55
24
1 Piece
50mm (2 inch)
50mm
48.5
10
0.7
55
24
1 Piece
PS:
With a little deviation measurement data belong to the normal phenomenon, the data are for reference only
Product Description
1.
This diamond drill bit will perform well on any kind of rock.
It has held up extremely well and drilling just about any kind of rock, from the very soft Petoskey Stone fossils to hard jasper and agate of precious materials
Especially suitable for use on hard lapidary materials like agate, jasper, petrified wood and geodes.
2.
Apply to drilling the glass of watch, optical glass and super-thin glass;
3.
Used in ceramics and glass (architecture glass, automobile glass, LCD glass, quartz glass, ultra-thin glass, etc.) widely.
4.
Water or coolant must always be used to cool and lubricate the tip.
Product performance and advantages:
Good Performance and long life:
Super-thin drill bits are made of high quality fine diamond plating, it’s more durable than common diamond bit!
The super-thin Electroplated diamond drill bits are one of the finest drill bit manufactured for Hobby, Lapidary, Glass applications.
The items are very smooth and thin to meet the most exacting faceting requirements.
They can offers a very good cost effective option for those that want very thin kerfs.
Diamond drill bit very thin, save material:
The front part of the drill bit’s thickness is only 0.5-0.6 mm, the material of Processed aren’t damaged during drilling process, can reduce material consumption maximize, especially suitable for high value jade, agate, jasper, petrified wood and geodes.
Hole drilling high precision:
neat, smooth, no broken edge.
High drilling efficiency:
Sharp, improve the drilling speed, Drill a Holes In Seconds
Quick Tips
1.
Please add water for coolant and drill slowly
2.
Start drill at 45 Degree to surface and align to 90 Degree as hole forms
3.
Never use drills while machine is in hammer action.
4.
Holes Require No Futher Work As Cutting Is Clean
5.
Just fill with ordinary electric drill or rotary tool, Works better with a electric drill ( Excluding in this item )
Regular Air postage from China to United States is
FREE
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. Please let us know if you are looking for other accessories or hardware. Should you have any queries, please contact me directly.
We Can List Any Size & Amount Of This Product
: Hole Diameter from 3mm – 100mm
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