Address:
No.233-3 Yangchenghu Road, Xixiashu Industrial Park, Xinbei District, Changzhou City, Jiangsu Province
High precision: suitable for precision hole processing, tolerance is usually at H7 level.
• Smooth chip removal: spiral groove design effectively removes chips, reduces blockage and tool wear.
• High processing efficiency: suitable for high-speed cutting, improves production efficiency.
• Wide applicability: can be used for a variety of materials such as steel, cast iron, non-ferrous metals, etc.
Processed Materials | Cast Iron Nodular Cast Iron |
Copper Alloy | Casting Aluminum Alloys | ||||||
Cutting Speed | 8~16m/min | 10~25m/min | 15~30 m/min | ||||||
Diameter (mm) |
Rotational Speed (min-1) |
Feed Rate (mm/r) |
Margin (mm) |
Rotational Speed (min-1) |
Feed Rate (mm/r) |
Margin (mm) |
Rotational Speed (min-1) |
Feed Rate (mm/r) |
Margin (mm) |
4 | 950 | 0.04~0.06 | 0.1~0.2 | 1600 | 0.04~0.06 | 0.1~0.2 | 2000 | 0.04~0.06 | 0.1~0.2 |
5 | 760 | 0.05~0.09 | 0.1~0.2 | 1300 | 0.05~0.09 | 0.1~0.2 | 1600 | 0.05~0.09 | 0.1~0.2 |
6 | 640 | 0.06~0.12 | 0.1~0.2 | 1050 | 0.06~0.12 | 0.1~0.2 | 1300 | 0.06~0.12 | 0.1~0.2 |
7 | 550 | 0.07~0.14 | 0.1~0.2 | 910 | 0.07~0.14 | 0.1~0.2 | 1150 | 0.07~0.14 | 0.1~0.2 |
8 | 480 | 0.08~0.16 | 0.1~0.2 | 800 | 0.08~0.16 | 0.1~0.2 | 1000 | 0.08~0.16 | 0.1~0.2 |
9 | 430 | 0.09~0.18 | 0.1~0.2 | 710 | 0.09~0.18 | 0.1~0.2 | 890 | 0.09~0.18 | 0.1~0.2 |
10 | 380 | 0.10-0.20 | 0.1~0.2 | 640 | 0.10~0.20 | 0.1~0.2 | 800 | 0.10-0.20 | 0.1~0.2 |
11 | 350 | 0.11~0.22 | 0.1~0.2 | 580 | 0.11~0.22 | 0.1~0.2 | 720 | 0.11~0.22 | 0.1~0.2 |
12 | 320 | 0.12-0.24 | 0.1~0.2 | 530 | 0.12~0.24 | 0.1~0.2 | 660 | 0.12~0.24 | 0.1~0.2 |
13 | 290 | 0.13~0.26 | 0.1~0.2 | 490 | 0.13~0.26 | 0.1~0.2 | 610 | 0.13~0.26 | 0.1~0.2 |
14 | 270 | 0.14~0.28 | 0.1~0.2 | 460 | 0.14~0.28 | 0.1~0.2 | 570 | 0.14~0.28 | 0.1~0.2 |
15 | 250 | 0.15~0.30 | 0.1~0.2 | 430 | 0.15~0.30 | 0.1~0.2 | 530 | 0.15~0.30 | 0.1~0.2 |
16 | 240 | 0.16~0.32 | 0.1~0.2 | 400 | 0.16~0.32 | 0.1~0.2 | 500 | 0.16~0.32 | 0.1~0.2 |
17 | 225 | 0.18~0.34 | 0.1~0.2 | 380 | 0.18~0.34 | 0.1~0.2 | 470 | 0.18~0.34 | 0.1~0.2 |
18 | 210 | 0.20~0.36 | 0.1~0.2 | 350 | 0.20~0.36 | 0.1~0.2 | 440 | 0.20~0.36 | 0.1~0.2 |
19 | 200 | 0.22~0.38 | 0.1~0.2 | 340 | 0.22~0.38 | 0.1~0.2 | 420 | 0.22~0.38 | 0.1~0.2 |
20 | 190 | 0.24~0.40 | 0.1~0.2 | 320 | 0.24~0.40 | 0.1~0.2 | 400 | 0.24~0.40 | 0.1~0.2 |
1. Please use a handle with high rigidity and precision.
2. Please use sufficient coolant.
3. Please adjust the parameters appropriately according to the cutting material and the rigidity of the machine.
The NNJD3H7 features a left-hand spiral flute design, ensuring excellent chip evacuation for smooth cutting. This reduces clogging and tool wear, enhancing stability and reliability. The design is particularly well-suited for deep hole machining and high-precision applications, improving hole concentricity and surface finish.
Manufactured with high-performance materials and precision grinding technology, this reamer offers exceptional wear resistance and longevity. The optimized cutting edge ensures sharpness during high-speed machining, boosting productivity while minimizing vibration to maintain superior hole accuracy.
The NNJD3H7 comes in a wide range of sizes, from 4.0mm to 20.0mm in diameter, allowing users to choose from various models to meet diverse machining needs. Whether for standard production or customized applications, this reamer provides the flexibility to fit your manufacturing requirements perfectly.
Designed for versatility, it is ideal for machining materials such as steel, cast iron, aluminum alloys, and copper alloys.
Enterprise establishment
Employees
Changzhou Maton Tools Co.,Ltd.is located in the economically developed Yangtze River Delta region.The factory is located in XixiashuHigh-tech Development Zone,a well-known tool town in China. We are Straight Shank Left Hand Spiral Flute Reamer Suppliers.
Magotantools take the ISO9001 quality system as the standard,under the guidanceof the business philosophy of"zero defect in products"and"zero distance in service",based on the spirit of"integrity","unity"and"exploita- tion",and follow a fair and just company style for management.Product production adopts five-axisand six-axis CNC grinding and machining centers from Germany,Switzerland,Japan,etc.,and is equipped with high-precision testing equipment such as Germany,Japan,and China,so as to meet the needs of production with high quality and quantity.
The company continuously develops various high-performance CNC tools, and has won various national awards. Professional Straight Shank Left Hand Spiral Flute Reamer Factory. More than 10 patents,the company's products are mainly used in the defense industry, aerospace industry,automotive industry,electronic products and molds and other fields.
The company's various products are recognized and favored by well-known domestic companies.With infinite technology,infinite creation,and pursuit of excellence,Magotan tools will write future prosperity and dreams with more extraordinary confidence and high-quality quality.
We will reply to you within 12 hours after receiving the inquiry on weekdays.
We are manufacturers, we produce and sell ourselves.
We mainly produce tungsten steel milling cutters, drill bits and other hard alloy tools. Professional Straight Shank Left Hand Spiral Flute Reamer Suppliers.
Our products cover almost the entire mold industry, defense industry, aerospace industry, automotive industry, electronic products and other fields.
Yes, our main focus is on customized products. We develop and produce products based on the drawings or samples provided by customers. Custom Straight Shank Left Hand Spiral Flute Reamer.
We have over 30 units of WALTER from Germany, Makino from Japan, ROLLMATIC from Switzerland, and TTB from Switzerland, with an annual output value of 80 million RMB. We are Straight Shank Left Hand Spiral Flute Reamer Factory
Firstly, after each process, we conduct corresponding inspections. For the final product, we will conduct 100% full inspection according to customer requirements and international standards;
Then, we have the advanced and complete top-notch testing equipment in the industry, such as spectral analyzers, metallographic microscopes, etc., which can ensure the stability and consistency of cutting tools, while meeting customers' high-precision testing requirements for cutting tools.
When quoting, we will confirm with you the transaction method, FOB, CIF, CNF or other options. When producing in bulk, we usually make a 30% advance payment first, and then pay the remaining balance upon presentation of the bill of lading. We mostly use T/T as the payment method, but L/C is also acceptable.