long drill v 1-4
3 year agoThere are several challenges related to deep hole twist drill :
1.How to cool and lubricate the cutting edge
2.How to remove iron filings at a stable rate,
3.How to ensure that the drill bit does not break,
4.How to make the drill bit wear-resistant
After a long time of hard work and testing, our deep hole drills have achieved great success. The quality is stable, and the tool runout be controlled within 0.005mm.
The deep hole coated drills can be used in deep hole drilling, component material include: aluminum, steel, cast iron, copper, Brass, stainless steel etc. When we drill deep holes, heat dissipation and chip removal are the two main problems we have, so usually we have the pressure cooling system to solve the cooling and chip removal problems and improve the tool performance.
Generally speaking, carbide deep hole drills are equipped with internal cooling holes. The coolant oil has two functions, one is to cool down, because a lot of heat is generated during the processing process, and the other is to punch out the chips in the hole,In case the drill bit will be broken.
Royi CNC tool , we are a professional provider solutions for hole machine, both drilling and threading can be met by us.
Our solid carbide extra long drill special geometry advantages:
1.Double margin design, stability for deep hole drilling.
2.Fine polishing chip flute, excellent in chip removal, sufficient cooling.
3.Strong cutting edge,Improve process reliability
4. Dia.1mm can be grinded up to 80D flute length.
Item
Flute dia
mm
L1
mm
L2 flute length
mm
L3 shank length
mm
Shank Dia
mm
L4overall length
mm
1
3.00
92
97
36
6
140
2
3.50
127
133
36
6
174
3
4.00
127
133
36
6
174
4
4.50
161
169
36
6
208
5
4.80
161
169
36
6
208
6
5.00
161
169
36
6
208
7
5.80
195
204
36
6
242
8
6.00
195
204
36
6
242
9
6.10
217
228
36
8
268
10
6.50
217
228
36
8
268
11
6.80
217
228
36
8
268
12
7.00
217
228
36
8
268
13
7.40
244
256
36
8
294
14
7.50
244
256
36
8
294
15
8.00
244
256
36
8
294
16
8.30
273
287
40
10
330
17
8.50
273
287
40
10
330
18
9.00
273
287
40
10
330
19
9.80
305
320
40
10
364
20
10.00
305
320
40
10
364
21
10.20
335
352
45
12
401
22
11.00
335
352
45
12
401
23
11.50
360
370
45
12
415
24
11.80
364
370
45
12
415
25
12.00
364
370
45
12
415
Company profile:
Founded in 2014, the company is located in Changzhou City, china. It provides a customized solutions for hole processing services, integrated services of metal drilling and threading. The main featured products are solid carbide drills, solid carbide deep hole drills, and solid carbide drill with coolant through, solid carbide boring tools, solid carbide non-standard drill bits, and other solid carbide customized tools.
The company has a number of imported CNC grinding machines, including 6 sets Walter CNC grinding machines, and a number of high-precision imported tool testing equipment. The tool quality is trustworthy.
The company has a testing machine to test and upgrade drill preformance and life according to various working conditions.
After unremitting efforts, and stable technology, we now has a large number of customers, products are exported to Hong Kong, Turkey, India, Germany, etc., with a large number of distributors around the world. It is your best supplier of solid carbide drill bits.
FAQ:
1. Are you a manufacturer or trading company?
Definitely we are a professional manufacturer of providing solutions for hole making machining, your best choice for hole drilling and threading making.
2. Do samples are available for testing quality?
Tool quality and price are the foundation for cooperation, samples testing are fine by us. MOQ : 3pcs for each item.
3. Do you offer OEM/ODM service?
Yes,we offer OEM/ODM service.
4. How long do it take to deliver the products?
Usually it gonna take 7-10days to deliver for customized tools and 3-7 days for Regular inventory.
5. What are your main featured products?
Our main featured products:solid carbide drill, solid carbide drill with coolant through, solid carbide extra long drill for deep hole, solid carbide boring cutter, and customized tools.
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Main Product: Solid Carbide Drill, SC Deep Hole Drill , SC Drill With Coolant Through, Solid Carbide Boring Cutter, Solid Carbide Insert, SC Customized Drill
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