PVD Coating Solid Cemented Carbide Drill , Twist Drill Bit With Long Life Time

MOQ： 5 PCS
Price： USD
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Payment Terms	L/C, T/T
Supply Ability	5,000 PCS/Month
Delivery Time	5-15 Days
Packaging Details	Internal Plastic Box Packaging
Material	Cemented Carbide
Coating	PVD, Non
Material to be processed	P, M, K, N, H, S
Standard	ISO, DIN, MMM
Use	Metal Drilling
Type	Twist Drill Bit
Application	Drilling Holes
Usage	General High Speed Cutting
Shank	Round Shank
Precision	High Precision
Brand Name	MMM
Model Number	∅2-∅20
Certification	ISO 9001
Place of Origin	CHINA

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Product Specification


Payment Terms	L/C, T/T	Supply Ability	5,000 PCS/Month
Delivery Time	5-15 Days	Packaging Details	Internal Plastic Box Packaging
Material	Cemented Carbide	Coating	PVD, Non
Material to be processed	P, M, K, N, H, S	Standard	ISO, DIN, MMM
Use	Metal Drilling	Type	Twist Drill Bit
Application	Drilling Holes	Usage	General High Speed Cutting
Shank	Round Shank	Precision	High Precision
Brand Name	MMM	Model Number	∅2-∅20
Certification	ISO 9001	Place of Origin	CHINA
High Light	carbide drill bits ，carbide step drill bit

Solid Carbide Drill With High Hole Surface Quality High Precision

Technical Information:

Typical application of solid carbide drills:
- Small diameter hole
- Tight or precision tolerance hole
- The hole shorter than a deep hole
This series of solid carbide drills is extremely versatile, and the same series can achieve efficient drilling of steel, stainless steel, cast iron and other materials.
Optimized drill tip structure for better cutting performance.
Double-edged belt design for improved drilling stability.
∅2 - ∅25 Diameter, 0.1 mm first gear, complete types.
3D, 5D, 8D, all kinds of lengths are complete.
All specifications and models are available in both internal and external cooling to meet the requirements of various machine tools.
AlCrN coating combines excellent wear resistance with anti-blocking properties for improved edge stability.
The unique coating post-treatment technology effectively reduces the cutting force, making the chip removal smoother and safer.
Chip formation and chip evacuation are important issues in drilling. It depends on the workpiece material, tool geometry selection, coolant pressure, capacity, and cutting parameters.
Chip clogging can cause the drill to move radially and affect hole quality, tool life and reliability.
The drill is mounted on the shank chuck and its circumferential runout must be less than 0.02 mm.

Recommended Cutting Parameters:

Use a defect-free, clean chuck when installing the drill and control the drill runout to within 0.02 mm.
The recommended cutting parameters are for applications where the hole depth is below 5D.
The recommended cutting parameters are externally cooled drills, Internally cooled drills can be increased by 10%-15% depending on the situation.
When using this series of tools for the first time, the cutting is performed according to the recommended cutting speed of 90% or the feed rate of 85%. When the cutting condition is stable, the cutting speed and the feed are increased one by one.
Cutting parameters are recommended for water soluble cutting fluids.

Material	Mild Steel Carbon Steel Alloy Steel <HRc 30		Pre-Hardened Steel <HRc 40		Stanless Steel
Speed m/min	60-120		40-70		25-40
Diameter mm	Rotating r/min	Feed mm/r	Rotating r/min	Feed mm/r	Rotating r/min	Feed mm/r
2	14000	0.06-0.08	9500	0.06-0.08	5500	0.02-0.05
3	9500	0.09-0.12	6300	0.09-0.12	3700	0.03-0.07
4	7000	0.10-0.15	4700	0.10-0.15	2700	0.04-0.08
5	5700	0.12-0.18	3800	0.12-0.18	2200	0.05-0.10
6	4700	0.14-0.20	3100	0.14-0.20	1850	0.06-0.12
8	3600	0.16-0.24	2400	0.16-0.24	1400	0.08-0.16
10	2800	0.18-0.27	1900	0.18-0.27	1100	0.10-0.18
12	2400	0.20-0.30	1600	0.20-0.30	930	0.12-0.20
14	2100	0.22-0.35	1400	0.22-0.35	800	0.13-0.22
16	1800	0.25-0.36	1200	0.25-0.36	700	0.14-0.25
18	1600	0.28-0.38	1100	0.28-0.38	620	0.15-0.28
20	1400	0.30-0.40	950	0.30-0.40	550	0.16-0.30
25	1500	0.32-0.42	900	0.32-0.42	700	0.17-0.32

Material	Cast Iron		Ductile Iron		Heat Resistant Alloy
Speed m/min	60-120		50-100		15-25
Diameter mm	Rotating r/min	Feed mm/r	Rotating r/min	Feed mm/r	Rotating r/min	Feed mm/r
2	14000	0.06-0.08	11000	0.06-0.08	3200	0.02-0.04
3	9500	0.09-0.12	7400	0.09-0.12	2100	0.03-0.06
4	7000	0.10-0.15	5600	0.10-0.15	1600	0.04-0.07
5	5700	0.12-0.18	4500	0.12-0.18	1250	0.05-0.09
6	4700	0.14-0.20	3700	0.14-0.20	1050	0.06-0.11
8	3600	0.16-0.24	2800	0.16-0.24	800	0.08-0.14
10	2800	0.18-0.27	2200	0.18-0.27	600	0.10-0.16
12	2400	0.20-0.30	1900	0.20-0.30	500	0.12-0.18
14	2100	0.22-0.35	1600	0.22-0.35	450	0.13-0.20
16	1800	0.25-0.36	1400	0.25-0.36	400	0.14-0.23
18	1600	0.28-0.38	1200	0.28-0.38	350	0.15-0.25
20	1400	0.30-0.40	1100	0.30-0.40	320	0.16-0.28
25	1500	0.32-0.42	1100	0.32-0.42	250	0.17-0.3

FAQ:
1. Where are your factory located?

Our factory located in zhuzhou city, hunan province.

2. What are your main products?
Our main products are carbide cutting tools, including end mill, face mill, drill bits etc.
3. What raw material you use?
We have rods with 3-4 types hardness, hrc45, hrc55, hrc60,hrc65.. Your work piece hardness decides what rods are suitable for.
4. Do you have grinding machine?
Yes, we have 8 Walter from Germany and professional engineers modeling cutters
5. How to ensure the quality?
We have precision detection machine, quality inspectors check cutters one by one.
6. How to deal with the cutters under verified?
These under verified cutters are all scraped.
7. I only have the drawings of work pieces? can you design cutters for me?
Yes, of course, show me work piece drawing, I will show you cutters’ drawing.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer,Importer,Exporter,Seller 


Year Established:

2013 


Total Annual:

4 Million-5 Million


Employee Number:

50~100 


Ecer Certification：

Active Member 

Since inception, ZHUZHOU MMM NEW MATERIAL CO., LTD. is always targeted to be an excellent supplier of cutting tools. We continuously improve product performance, product quality controls, company’s management and team building. The company has a high quality and professional technic... Since inception, ZHUZHOU MMM NEW MATERIAL CO., LTD. is always targeted to be an excellent supplier of cutting tools. We continuously improve product performance, product quality controls, company’s management and team building. The company has a high quality and professional technic...

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Reach Us
Zhuzhou MMM New Material Co., Ltd.
Room 421, Zhishang Science and Technology Building, 1986 Taishan West Road, Tianyuan District, Zhuzhou, Hunan, China
http://www.cnccarbideinserts.com/

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