Toothed lock washers are Boltead’s main products, we manufacture and supply these products. The following is the basic information of our these products.
Name
Tooth Lock Washers
Materials
Carbon Steel/Stainless Steel
Standards
DIN ISO ANC BSW JIS etc.
Strength level
50MN 65MN 4.8 8.8 etc.
Size
M1.7-M31
Surface finish
ZP\Black\Plain etc.
Length
0.3-1.6
Samples
Available
Boltead Fastener is a professional fastener manufacturer and supplier, we are committed to providing customers with one-stop fastener solutions.
Share your idea, We’ll find solution for you within 24 hours
Product Details
Product Standards
FAQ
About Boltead
Toothed Lock Washers Product Photos
Toothed lock washers also known as serrated washer or star washer.Toothed lock washers are Boltead’s products with relatively high production and supply. The following are photos of different types of these products：
DIN6798 Tooth Lock Washer
DIN6798 External Serrated Lock Washers
DIN 6798 V Type Conical Lock Washers
Toothed Lock Washers Product Describsion
Toothed lock washers are Boltead’s main product. We are a manufacturer also a supplier of these products. While producing and supplying these products, we also produce bolts, nuts and other fastener products used in conjunction with them.
The toothed lock washers we produce are generally classified according to whether the material is carbon steel, stainless steel or brass. More specific classifications are as follows:
DIN6798 External Serrated Lock Washers
DIN6798 Tooth Lock Washer
DIN 6798 V Type Conical Lock Washers
There are three common classification methods for washer grades.
Washers can generally be classified according to material, such as carbon steel washers and stainless steel washers.
There are also classifications based on use, shape and size, such as Class A, Class C, etc.
In addition, some washers have strength levels, such as tooth lock washers, which are divided into levels 4.8, 8.8, etc.
In addition to different materials and strengths, the biggest impact on Toothed lock washers is surface treatment. The following are the more common surface treatments for these products: black oxide, black zinc, zinc plated (ZP), color zinc plating (CZP /YZP), hot dip galvanized (HDG), dacromet coating, etc.
Toothed Lock Washers Production Process
Toothed lock washers are sent from the raw material line to the final product. They generally go through the following process:
Annealing of raw materials – pickling – drawing – forming – grinding – heat treatment – surface treatment – classification – packaging – shipping
The rough schematic diagram is as follows:
Tooth lock washers production process
Toothed Lock Washers Application fields
Toothed lock washers are commonly used in machinery and equipment assembly to prevent fastener loosening caused by vibration or rotation, providing a reliable locking mechanism in various industrial applications.
These washers find extensive use in automotive manufacturing and repair for securing critical components such as engine mounts, suspension systems, and chassis assemblies, offering resistance to loosening due to vehicle vibrations and operating conditions.
Toothed lock washers are employed in heavy machinery and equipment for securing components subjected to high levels of vibration, such as in construction equipment, agricultural machinery, and industrial machinery, providing stability and security in demanding operating environments.
They are utilized in structural engineering and construction for securing structural elements, beams, and supports, offering a stable and resistant fastening method in building and infrastructure projects.
In industrial and manufacturing settings, tooth lock washers are used in machinery assembly, conveyor systems, and production equipment for providing a reliable and durable locking solution in heavy-duty applications.
These products find application in various industrial, commercial, and residential settings where vibration-resistant and secure fastening is essential, providing reliability and stability in a wide range of applications.
For more information and knowledge about Tooth Lock Washers, please check our blog
DIN6798 External Serrated Lock Washers Standard
External Serrated Lock Washers DIN 6798
Specification
1.7
2.2
2.7
3.2
3.7
4.3
5.3
6.4
7.4
8.4
d
min=nominal
1.7
2.2
2.7
3.2
3.7
4.3
5.3
6.4
7.4
8.4
maximum value
1.84
2.34
2.84
3.38
3.88
4.48
5.48
6.62
7.62
8.62
dc
max = nominal
3.6
4.5
5.5
6
7
8
10
11
12.5
15
minimum
3.3
4.2
5.2
5.7
6.64
7.64
9.64
10.57
12.07
14.57
t
0.3
0.3
0.4
0.4
0.5
0.5
0.6
0.7
0.8
0.8
number of teeth
minimum
9
9
9
9
10
11
11
12
14
14
1000 pieces weight kg
0.02
0.03
0.045
0.06
0.11
0.14
0.28
0.36
0.5
0.8
Applicable thread
M1.6
M2
M2.5
M3
M3.5
M4
M5
M6
M7
M8
Specification
10.5
13
15
17
19
21
23
25
28
31
d
min=nominal
10.5
13
15
17
19
21
23
25
28
31
maximum value
10.77
13.27
15.27
17.27
19.33
21.33
23.33
25.33
28.33
31.39
dc
max = nominal
18
20.5
twenty four
26
30
33
36
38
44
48
minimum
17.57
19.98
23.48
25.48
29.48
32.38
35.38
37.38
43.38
47.38
t
0.9
1
1
1.2
1.4
1.4
1.5
1.5
1.6
1.6
number of teeth
minimum
16
16
18
18
18
20
20
20
twenty two
twenty two
1000 pieces weight kg
1.25
1.6
2.3
2.9
5
6
7.5
8
12
14
Applicable thread
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
①,See “Related Material Standards and Grades” for materials, the material grades are selected by the manufacturer; Hardness: 350~425 HV10
DIN6798 Internal Serrated Lock Washers Type J Standard
Internal Serrated Lock Washers Type J DIN 6798
Specification
1.7
2.2
2.7
3.2
3.7
4.3
5.3
6.4
7.4
8.4
d
min=nominal
1.7
2.2
2.7
3.2
3.7
4.3
5.3
6.4
7.4
8.4
maximum value
1.84
2.34
2.84
3.38
3.88
4.48
5.48
6.62
7.62
8.62
dc
max = nominal
3.6
4.5
5.5
6
7
8
10
11
12.5
15
minimum
3.3
4.2
5.2
5.7
6.64
7.64
9.64
10.57
12.07
14.57
number of teeth
minimum
7
7
7
7
8
8
8
9
10
10
t
0.3
0.3
0.4
0.4
0.5
0.5
0.6
0.7
0.8
0.8
1000 pieces weight kg
0.02
0.03
0.045
0.06
0.11
0.14
0.28
0.36
0.5
0.8
Applicable thread
M1.6
M2
M2.5
M3
M3.5
M4
M5
M6
M7
M8
Specification
10.5
13
15
17
19
21
23
25
28
31
d
min=nominal
10.5
13
15
17
19
21
23
25
28
31
maximum value
10.77
13.27
15.27
17.27
19.33
21.33
23.33
25.33
28.33
31.39
dc
max = nominal
18
20.5
twenty four
26
30
33
36
38
44
48
minimum
17.57
19.98
23.48
25.48
29.48
32.38
35.38
37.38
43.38
47.38
number of teeth
minimum
12
12
14
14
14
16
16
16
18
18
t
0.9
1
1
1.2
1.4
1.4
1.5
1.5
1.6
1.6
1000 pieces weight kg
1.25
1.6
2.3
2.9
5
6
7.5
8
12
14
Applicable thread
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
①, h≈3t
②, see “Related Material Standards and Grades” for materials, and the material grades are selected by the manufacturer; hardness: 350~425 HV10
DIN6798 Conical Lock Washers V Type Standard
Conical Lock Washers V Type DIN 6798
Nominal diameter
2.2
2.7
3.2
3.7
4.3
5.3
6.4
8.4
10.5
13
15
17
d
d
min=nominal
2.2
2.7
3.2
3.7
4.3
5.3
6.4
8.4
10.5
13
15
17
maximum value
2.34
2.84
3.38
3.88
4.48
5.48
6.62
8.62
10.77
13.27
15.27
17.27
dc
4.2
5.1
6
7
8
9.8
11.8
15.3
19
twenty three
26.2
30.2
h
0.2
0.2
0.2
0.25
0.25
0.3
0.4
0.4
0.5
0.5
0.6
0.6
number of teeth
minimum
10
10
12
12
14
14
16
18
20
26
28
30
1000 pieces weight kg
0.025
0.03
0.04
0.075
0.1
0.2
0.3
0.5
1
1.5
1.9
2.3
Applicable thread
M2
M2.5
M3
M3.5
M4
M5
M6
M8
M10
M12
M14
M16
FAQ
How long is your delivery lead time?
Boltead’s delivery cycle is generally 7 to 15 days. If you need more product types and models, or need to customize, the delivery cycle will be longer. In this case, please confirm with our sales professional.
Can you provide samples? How to charge for samples?
Boltead can provide samples for your measurement and testing. The samples are free, and you only need to pay the shipping cost.
Do you support OEM product customization?
Of course. Boltead welcomes OEM/ODM orders. We can not only customize products for you, but also customize your product and its packaging.
What are your payment terms?
For payment amounts <= $1000, 100% prepayment is required. For payment amounts >$1000, 30% prepayment is required, with the balance due before shipment.
Can you provide the relevant documents？
Yes, we can provide most documents, such as material certificates, product testing certificates, certificates of origin, and insurance certificates.
Can you guarantee the safe and reliable delivery of products?
Yes, Boltead can ensure the safe and reliable delivery of products to you. Our product packaging will be reinforced beyond the packaging you choose.
What about the shipping cost?
The shipping cost depends on the delivery method you choose. Express delivery is typically the fastest but also the most expensive option. Sea freight is the best solution for large quantities of goods. We can provide an accurate shipping cost only when we have detailed information about the quantity, weight, and method. Please contact us for more information.
About Boltead Fastener
Boltead is committed to providing the world with the most suitable bolts and nuts!
We manufacture and supply fasteners, striving for excellence in every aspect.
Boltead producing fasteners since 2001.All the fasteners we produce have been supplied for export since 2018.
Certificate
Production Process
Product Test
Exhibition/Partner Photos
Our export countries include Russia, South Korea, Britain, France, Germany, Italy, Canada, Mexico,Brazil, Argentina, Chile, Australia, Indonesia, Thailand, Singapore, Saudi Arabia, Syria, Egypt, Tanzania,Kenya and other countries. Our products will be spread all over the world!
Contact us
If you need fasteners, contact us immediately！
Boltead – Bolts & Nuts
Add : South of Ximingyang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province,CHINA
