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Read MoreAlumina ceramic nuts are an excellent choice for fastening applications that require a combination of strength, durability, and resistance to extreme conditions.Available in various sizes and shapes.
item no. :
CS-MC-0190% 92% 95% 99.5% 99.7% 99%
Material : Alumina ceramic
Length : 5-75mm
Size : OEM
1. Alumina ceramic nuts are highly resistant to corrosion, making them ideal for use in harsh environmental conditions.
2. They can withstand high temperatures without losing their strength and integrity, and can even be used in extreme heat applications.
3. They are very hard and have excellent wear resistance, which makes them very suitable for use in severely worn applications.
4. They are chemically inert and do not react with most chemical substances.
5. Alumina ceramic nuts have excellent dimensional stability, which means they maintain their shape and size under extreme conditions.
1. Alumina ceramic nuts are high-performance industrial fasteners made from alumina (Al2O3) ceramics, a material renowned for its excellent mechanical and thermal properties.
2. These nuts offer superior strength, hardness, and wear resistance, making them ideal for use in extreme environments where other materials may fail.
3. Alumina ceramic nuts are an excellent choice for fastening applications that require a combination of strength, durability, and resistance to extreme conditions.
4. Available in various sizes and shapes.
OEM/ODM is acceptable. Your goods will be produced exactly according to your drawings or inquiry.
Hex head cap bolt/screw
M16
100
9.2
24.2
M16
70
9.2
24.2
M16
40
9.2
24.2
M14
80
10
22
M14
50
7.6
21.9
M14
40
9.9
21
M12
75
8.1
18.8
M12
50
10.2
18.8
M12
35
10.1
18.4
M12
25
10.3
18.4
M12
15
10
21.2
M10
70
7
16.8
M10
35
6.6
16.6
M8
70
5.6
14
M8
50
4.5
11.7
M8
35
5.3
12.9
M8
25
5.3
12.9
M6
55
5.2
9.7
M6
40
4.3
9.6
M5
25
3.5
8
M5
20
3.6
8
M5
15
3.6
8
M5
10/12
3.6
7.6
M5
5
3.6
8
M4
20
3.2
6.8
M4
15
3.3
6.8
M4
10
3.2
6.8
M3
10
3
5.5
M2
6
1.6
3.8
Socket head cap screw
M12
50
10.5
17.2
M12
35/25
10.4
17.1
M12
15
12.2
18.1
M12
14
12.2
18
M10
50
9
14.8
M10
35
9.1
14.8
M8
50
7.6
12.3
M8
35
7.9
12.3
M6
40
5.8
9.8
M6
25
5.9
10
M6
15
5.9
10
M5
35
4.7
7.8
M5
25
4.9
8.1
M5
20
4.9
8.1
M5
15
4.9
8.1
M5
10/12
4.9
8.1
M5
5
4.9
8.1
M4
30/40/50
/
/
M4
25
4
7
M4
20
4.1
6.9
M4
15
4.1
6.8
M4
10
3.2
6.8
M3
30
3
5.4
M3
20/25
3
5.4
M3
15
3
5.4
M3
10
3
5.4
M3
8
3
5.4
M2
14
1.9
3.8
Flat head philips screw
M8
20
/
14.2
M6
40
/
12
M5
10
/
8.9
M4
12
/
8.4
M3.5
9
/
5.3
M3
15
/
5.2
M3
6
/
5.6
M2.5
9
/
4.5
M2.5
6
/
3.9
M2
6
/
4.2
Round head phillips screw
M5
25
/
8.6
M5
20
/
8.5
M5
12
/
8.5
M2
8
1.5
3.5
Round head socket screw
M5
25
2.6
9.3
M5
20
2.8
9.4
M5
12
2.8
8.6
Round head slotted screw
M5
10
3.4
7.9
M4
8
2.9
7
M4
5
2.1
9.3
M3
6.5
2.7
5.5
Flat head socket screw
M8
30
/
13.8
Slotted hex head cap screw |
L: Thread length
(mm)
|
K: Head thickness
(mm)
|
S: Opposite length
(mm)
|
M6 | 25 | 3.9 | 9.8 |
Flat head socket screw
M6
15
/
9.8
M4
25
/
8.5
Shaft part: | 0.0015mm for axial dimensions |
0.001mm for circular degree | |
0.0025mm for concentricity | |
0.01 for roughness | |
The minimum processing aperture: | 0.3mm, and depth limit 3mm |
0.002mm for axial dimensions of diameter 1mm aperture | |
0.02~0.04 for roughness | |
Tolerance of plane processing: | 0.002 for flatness |
0.0015mm for measuring tolerance | |
Ceramic processing thread: | processing internal thread size limit M2 |
Thread accuracy gb-7h | |
Unlimited size for external thread | |
Thread accuracy gb-6g |
Item | Test Condition | 95% Al2O3 | 99% Al2O3 | 99.5% Al2O3 | ||
Physical properties | Density | g/cm3 | >3.6 | 3.89 | 3.96 | |
Moisture absorption | % | 0 | 0 | 0 | ||
Mechanical properties | ROHS Hardness | ≥85 | ≥89 | ≥89 | ||
Flexural strength | psiX103 | 20℃ | 358 | 550 | 550 | |
Compressive strength | psiX103 | 20℃ | 2068(300) | 2600(377) | 2600(377) | |
Fracture toughness | Mpa.m3/2 | K(l c) | 4.3 | 5.6 | 6 | |
Thermal properties | Maximum use temperature | ℃ | 1450 | 1600 | 1650 | |
Thermal expansion coefficient | 1X10-6/℃ | (25-1000℃) | 7.6 | 7.9 | 8.2 | |
Thermal shock resistance | ℃ | Tc | 250 | 200 | 200 | |
Thermal conductivity | w/mok | 20℃ | 16 | 30 | 30.4 | |
Electrical properties | Volume resistivity | Ohm/cm2 | 100℃ | >1013 | >1014 | >1014 |
Dielectric breakdown strength | KV/mm | 8.7(220) | 8.7(220) | 8.7(220) | ||
Dielectric constant | (E) | 1MHz25℃ | 9 | 9.7 | 9.7 | |
Dielectric constant (100MHz) | (E) | 9.5 |
1. Alumina ceramic nuts can be used in high temperature applications such as furnace linings, kilns, and refractory materials. The nuts are resistant to thermal shock and can maintain their strength and dimensional stability at high temperature ranges.
2. Suitable for chemical processing equipment such as pipelines, valves, and pumps. Their corrosion resistance, high wear resistance, and ability to withstand harsh chemicals make them suitable for various chemical processing applications.
3. Used in electronic and electrical applications like insulators, capacitors, and semiconductors.
4. Used for manufacturing medical equipment, such as braces, implants, and orthopedic equipment.
5. Used for manufacturing aerospace components, such as turbine blades, rocket nozzles, and heat shields. Their high strength, low weight, and resistance to thermal shock make them ideal for use in extreme environments found in aerospace applications.
Q1. What information should we supply to get a quote?
Please offer the specification of alumina ceramic nuts, such as shape, dimension, quantity, application etc.
Q2. How do I install alumina ceramic nuts?
Alumina ceramic nuts can be installed using standard fastening techniques, such as a screwdriver, wrench, or pliers. However, it is important to follow the manufacturer's instructions to ensure proper installation and avoid damage to the nuts or other components.
Q3. How do I care for alumina ceramic nuts?
Alumina ceramic nuts are generally easy to care for, and require minimal maintenance. However, it is important to avoid exposing them to sudden changes in temperature, and to avoid dropping or impacting them, as this can cause damage. If contamination or damage does occur, it is best to replace the nut rather than attempt to repair it.
Q4. What is the lead time for the alumina ceramic nuts?
The lead time is dependent on the size and quantity required. Please contact us for more information.
1. First, wipe the alumina ceramic nuts with a damp cloth to remove dust and dirt.
2. Use a soft bristle brush and a mild detergent solution to scrub the alumina ceramic nuts.
3. Wash the alumina ceramic nuts with clean water, and then dry it with a soft cloth.
4. Ensure that the alumina ceramic nuts are dry when used next time.
1. Visual inspection of the alumina ceramic nuts for any signs of damage or irregularities.
2. Measurement the dimensions of the alumina ceramic nuts to check for accuracy.
3. Checking for any pinhole defects in the alumina ceramic nuts.
4. Verification of the material and chemical composition of the alumina ceramic nuts.
1. We supply personalized and customized services to contact your personal needs.
2. We are experienced professionals with a good record of success.
3. We provide superior client service and promptly respond to all inquiries.
4. We provide militant prices and strive to ensure that your funds receive the best value.
5. We use the latest technologies and tools to ensure that your project is completed to the highest standards.
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