Spring lock washers are Boltead’s main products, we manufacture and supply Spring lock washers. The following is the basic information of these products.
Name
Spring Lock Washers
Materials
Carbon Steel/Stainless Steel
Standards
DIN ISO ANC BSW JIS etc.
Strength level
4.8 8.8 etc.
Size
M3-M100
Surface finish
ZP\BLACK\HDG etc.
Length
0.8-8
Samples
Available
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Product Details
Product Standards
FAQ
About Boltead
Spring Lock Washers Product Photos
Spring lock washers also known as split washer. Spring lock washers are Boltead’s products with relatively high production and supply. The following are photos of spring lock washers using some of the more common surface treatments：
DIN127 zinc plated spring washers
DIN127 black oxide spring washer
DIN127 YZP spring washer
Spring Lock Washers Product Describsion
Spring lock washers are Boltead’s main product. We are a manufacturer and also a supplier of these washers. While producing and supplying these washers, we also produce bolts, nuts and other fastener products used in conjunction with them.
The spring 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:
DIN127 zinc plated spring washers
DIN127 Stainless Steel Spring Washer
DIN127 copper brasss spring washer
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 spring lock washers, which are divided into levels 4.8, 8.8, etc.
In addition to different materials and strengths, the biggest impact on spring lock washers is surface treatment. The following are the more common surface treatments for these washers: black oxide, black zinc, zinc plated (ZP), color zinc plating (CZP /YZP), hot dip galvanized (HDG), dacromet coating, etc.
Spring Lock Washers Production Process
Spring 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:
Spring lock washers production process
Spring Lock Washers Application fields
Spring lock washers have a wide range of applications in various industries and settings. Some common applications include:
These washers are commonly used in automotive and mechanical applications to provide a preload tension on fasteners, preventing loosening caused by vibration and thermal expansion.
These washers find extensive use in industrial machinery and equipment assembly, ensuring that bolted connections remain secure and stable in demanding manufacturing environments.
These washers are employed in the construction of heavy equipment and infrastructure, providing a reliable method to maintain fastener preload and prevent bolted joint failures in challenging operational conditions.
They are utilized in electrical and electronic equipment assembly to mitigate the effects of thermal cycling and vibration, ensuring the integrity of connections in sensitive electronic systems.
In the aerospace and aviation industry, these washers are used to secure critical connections in aircraft structures, machinery, and assemblies, supporting safety and reliability in aerospace applications.
These washers find application in household appliances and consumer goods, providing a cost-effective solution to maintain the tightness of fasteners in various domestic and commercial products.
Additionally, they are employed in various industrial and mechanical systems where maintaining proper clamp force and preventing bolted joint loosening is essential, offering a versatile and dependable solution across a broad range of applications.
For more information and knowledge about Spring Lock Washers, please check our blog
DIN127 spring washer standard
Spring lock washers DIN 127
Specification
F3
Φ3.5
F4
F5
F6
Φ7
F8
Φ10
F12
F14
F16
F18
Φ20
F22
F24
F27
d 1
minimum
3.1
3.6
4.1
5.1
6.1
7.1
8.1
10.2
12.2
14.2
16.2
18.2
20.2
22.5
24.5
27.5
maximum value
3.4
3.9
4.4
5.4
6.5
7.5
8.5
10.7
12.7
14.7
17
19
21.2
23.5
25.5
28.5
d 2
maximum value
6.2
6.7
7.6
9.2
11.8
12.8
14.8
18.1
21.1
24.1
27.4
29.4
33.6
35.9
40
43
b
Nominal
1.3
1.3
1.5
1.8
2.5
2.5
3
3.5
4
4.5
5
5
6
6
7
7
maximum value
1.4
1.4
1.6
1.9
2.65
2.65
3.15
3.7
4.2
4.7
5.2
5.2
6.2
6.2
7.25
7.25
minimum
1.2
1.2
1.4
1.7
2.35
2.35
2.85
3.3
3.8
4.3
4.8
4.8
5.8
5.8
6.75
6.75
s
Nominal
0.8
0.8
0.9
1.2
1.6
1.6
2
2.2
2.5
3
3.5
3.5
4
4
5
5
maximum value
0.9
0.9
1
1.3
1.7
1.7
2.1
2.35
2.65
3.15
3.7
3.7
4.2
4.2
5.2
5.2
minimum
0.7
0.7
0.8
1.1
1.5
1.5
1.9
2.05
2.35
2.85
3.3
3.3
3.8
3.8
4.8
4.8
h
minimum
1.9
1.9
2.1
2.7
3.6
3.6
4.6
5
5.8
6.8
7.8
7.8
8.8
8.8
11
11
maximum value
2.1
2.2
2.5
3.2
4.2
4.2
5.4
5.9
6.8
8
9.2
9.2
10.4
10.4
13
13
k
0.15
0.15
0.15
0.15
0.2
0.2
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
r
0.2
0.2
0.2
0.2
0.3
0.3
0.5
0.5
1
1
1
1
1
1
1.6
1.6
Thousand pieces (steel)≈kg
0.11
0.12
0.18
0.36
0.83
0.93
1.6
2.53
3.82
6.01
8.91
9.73
15.2
16.5
26.2
28.7
Applicable thread
3
3.5
4
5
6
7
8
10
12
14
16
18
20
twenty two
twenty four
27
Specification
Φ30
F36
F39
F42
F45
F48
F52
F56
Φ60
F64
F68
F72
Φ80
Φ90
Φ100
d 1
minimum
30.5
36.5
39.5
42.5
45.5
49
53
57
61
65
69
73
81
91
101
maximum value
31.7
37.7
40.7
43.7
46.7
50.5
54.5
58.5
62.5
66.5
70.5
74.5
82.5
92.5
102.5
d 2
maximum value
48.2
58.2
61.2
68.2
71.2
75
83
87
91
95
99
103
111
121
131
b
Nominal
8
10
10
12
12
12
14
14
14
14
14
14
14
14
14
maximum value
8.25
10.25
10.25
12.25
12.25
12.25
14.25
14.25
14.25
14.25
14.25
14.25
14.25
14.25
14.25
minimum
7.75
9.75
9.75
11.75
11.75
11.75
13.75
13.75
13.75
13.75
13.75
13.75
13.75
13.75
13.75
s
Nominal
6
6
6
7
7
7
8
8
8
8
8
8
8
8
8
maximum value
6.2
6.2
6.2
7.25
7.25
7.25
8.25
8.25
8.25
8.25
8.25
8.25
8.25
8.25
8.25
minimum
5.8
5.8
5.8
6.75
6.75
6.75
7.75
7.75
7.75
7.75
7.75
7.75
7.75
7.75
7.75
h
minimum
13.6
13.6
13.6
15.6
15.6
15.6
18
18
18
18
18
18
18
18
18
maximum value
16.1
16.1
16.1
18.4
18.4
18.4
21.2
21.2
21.2
21.2
21.2
21.2
21.2
21.2
21.2
k
0.8
0.8
0.8
0.8
0.8
0.8
1
1
1
1
1
1
1
1
1
r
1.6
1.6
1.6
2
2
2
2
2
2
2
2
2
2
2
2
Thousand pieces (steel)≈kg
44.3
67.3
71.7
111
117
123
182
193
203
218
228
240
262
290
318
Applicable thread
30
36
39
42
45
48
52
56
60
64
68
72
80
90
100
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
