Spring Washer High Quality Carbon Steel Stainless Steel China Origin Supplier DIN127

Spring Washer

Spring Washer, also known as Lock Washer. Spring Washers are used between nuts and fittings. The function of Spring Washers is to expand the friction between the nut and the connecting piece and play a locking role.

Spring Washers are easy to install, low in cost, and have good fastening and shockproof effects. Spring Washer is available in carbon steel, stainless steel, and more, and widely used in occasions requiring fastening such as electromechanical equipment and machinery manufacturing.

There are many standards and specifications for Spring Washer. We need to decide which Spring Washer to use according to the usage situation. Customization is an option when necessary.

Spring Washer Details

SIZE: M3-M64

MATEAIL: Carbon Steel, Stainless Steel

STANDARD: DIN127A, DIN127B

GRADE: /

SURFACE TREATMENT: ZP, HDG, BLACK, Dacromet

CUSTOMIZED SUPPORT: YES

DIN127A Spring Washer Specifications

    Size
    Φ3
    Φ3.5
    Φ4
    Φ5
    Φ6
    Φ7
    Φ8
    Φ10
    Φ12
    Φ14
    Φ16
    Φ18
    Φ20
    Φ22
    Φ24
    Φ27
  


    d1
    min
    　
    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
  

    max
    　
    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
  

    d2
    max
    　
    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   Size
    　
    1.3
    1.3
    1.5
    1.8
    2.5
    2.5
    3
    3.5
    4
    4.5
    5
    5
    6
    6
    7
    7
  

    max
    　
    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
  

    min
    　
    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   Size
    　
    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
  

    max
    　
    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
  

    min
    　
    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
    min
    　
    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
  

    max
    　
    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
  

    　                  
  

    Size
    Φ30
    Φ36
    Φ39
    Φ42
    Φ45
    Φ48
    Φ52
    Φ56
    Φ60
    Φ64
    Φ68
    Φ72
    Φ80
    Φ90
    Φ100
    　
  

    d1
    min
    　
    30.5
    36.5
    39.5
    42.5
    45.5
    49
    53
    57
    61
    65
    69
    73
    81
    91
    101
    　
  

    max
    　
    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
    　
  

    d2
    max
    　
    48.2
    58.2
    61.2
    68.2
    71.2
    75
    83
    87
    91
    95
    99
    103
    111
    121
    131
    　
  

    b
    Nominal   Size
    　
    8
    10
    10
    12
    12
    12
    14
    14
    14
    14
    14
    14
    14
    14
    14
    　
  

    max
    　
    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
    　
  

    min
    　
    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   Size
    　
    6
    6
    6
    7
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    　
  

    max
    　
    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
    　
  

    min
    　
    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
    min
    　
    13.6
    13.6
    13.6
    15.6
    15.6
    15.6
    18
    18
    18
    18
    18
    18
    18
    18
    18
    　
  

    max
    　
    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
    　
  

Size	Φ3	Φ3.5	Φ4	Φ5	Φ6	Φ7	Φ8	Φ10	Φ12	Φ14	Φ16	Φ18	Φ20	Φ22	Φ24	Φ27
d1	min		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
max		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
d2	max		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 Size		1.3	1.3	1.5	1.8	2.5	2.5	3	3.5	4	4.5	5	5	6	6	7	7
max		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
min		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 Size		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
max		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
min		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	min		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
max		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

Size	Φ30	Φ36	Φ39	Φ42	Φ45	Φ48	Φ52	Φ56	Φ60	Φ64	Φ68	Φ72	Φ80	Φ90	Φ100
d1	min		30.5	36.5	39.5	42.5	45.5	49	53	57	61	65	69	73	81	91	101
max		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
d2	max		48.2	58.2	61.2	68.2	71.2	75	83	87	91	95	99	103	111	121	131
b	Nominal Size		8	10	10	12	12	12	14	14	14	14	14	14	14	14	14
max		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
min		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 Size		6	6	6	7	7	7	8	8	8	8	8	8	8	8	8
max		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
min		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	min		13.6	13.6	13.6	15.6	15.6	15.6	18	18	18	18	18	18	18	18	18
max		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

DIN127B Spring Washer Specifications

    Nominal   Diameter
    Φ2
    Φ2.2
    Φ2.5
    Φ3
    Φ3.5
    Φ4
    Φ5
    Φ6
    Φ7
    Φ8
    Φ10
    Φ12
  


    d
    min
    　
    2.1
    2.3
    2.6
    3.1
    3.6
    4.1
    5.1
    6.1
    7.1
    8.1
    10.2
    12.2
  

    max
    　
    2.4
    2.6
    2.9
    3.4
    3.9
    4.4
    5.4
    6.5
    7.5
    8.5
    10.7
    12.7
  

    n
    Nominal   Size
    　
    0.9
    1
    1
    1.3
    1.3
    1.5
    1.8
    2.5
    2.5
    3
    3.5
    4
  

    max
    　
    1
    1.1
    1.1
    1.4
    1.4
    1.6
    1.9
    2.65
    2.65
    3.15
    3.7
    4.2
  

    min
    　
    0.8
    0.9
    0.9
    1.2
    1.2
    1.4
    1.7
    2.35
    2.35
    2.85
    3.3
    3.8
  

    h
    Nominal   Size
    　
    0.5
    0.6
    0.6
    0.8
    0.8
    0.9
    1.2
    1.6
    1.6
    2
    2.2
    2.5
  

    max
    　
    0.6
    0.7
    0.7
    0.9
    0.9
    1
    1.3
    1.7
    1.7
    2.1
    2.35
    2.65
  

    min
    　
    0.4
    0.5
    0.5
    0.7
    0.7
    0.8
    1.1
    1.5
    1.5
    1.9
    2.05
    2.35
  

    H
    min
    　
    1
    1.2
    1.2
    1.6
    1.6
    1.8
    2.4
    3.2
    3.2
    4
    4.4
    5
  

    max
    　
    1.2
    1.4
    1.4
    1.9
    1.9
    2.1
    2.8
    3.8
    3.8
    4.7
    5.2
    5.9
  

    　              
  

       Nominal   Diameter
    Φ14
    Φ16
    Φ18
    Φ20
    Φ22
    Φ24
    Φ27
    Φ30
    Φ36
    Φ39
    Φ42
    Φ45
  

    d
    min
    　
    14.2
    16.2
    18.2
    20.2
    22.5
    24.5
    27.5
    30.5
    36.5
    39.5
    42.5
    45.5
  

    max
    　
    14.7
    17
    19
    21.2
    23.5
    25.5
    28.5
    31.7
    37.7
    40.7
    43.7
    46.7
  

    n
    Nominal   Size
    　
    4.5
    5
    5
    6
    6
    7
    7
    8
    10
    10
    12
    12
  

    max
    　
    4.7
    5.2
    5.2
    6.2
    6.2
    7.25
    7.25
    8.25
    10.25
    10.25
    12.25
    12.25
  

    min
    　
    4.3
    4.8
    4.8
    5.8
    5.8
    6.75
    6.75
    7.75
    9.75
    9.75
    11.75
    11.75
  

    h
    Nominal   Size
    　
    3
    3.5
    3.5
    4
    4
    5
    5
    6
    6
    6
    7
    7
  

    max
    　
    3.15
    3.7
    3.7
    4.2
    4.2
    5.2
    5.2
    6.2
    6.2
    6.2
    7.25
    7.25
  

    min
    　
    2.85
    3.3
    3.3
    3.8
    3.8
    4.8
    4.8
    5.8
    5.8
    5.8
    6.75
    6.75
  

    H
    min
    　
    6
    7
    7
    8
    8
    10
    10
    12
    12
    12
    14
    14
  

    max
    　
    7.1
    8.3
    8.3
    9.4
    9.4
    11.8
    11.8
    14.2
    14.2
    14.2
    16.5
    16.5
  

    　              
  

      Nominal   Diameter
    Φ48
    Φ52
    Φ56
    Φ60
    Φ64
    Φ68
    Φ72
    Φ80
    Φ90
    Φ100
    　
    　
  

    d
    min
    　
    49
    53
    57
    61
    65
    69
    73
    81
    91
    101
    　
    　
  

    max
    　
    50.5
    54.5
    58.5
    62.5
    66.5
    70.5
    74.5
    82.5
    92.5
    102.5
    　
    　
  

    n
    Nominal   Size
    　
    12
    14
    14
    14
    14
    14
    14
    14
    14
    14
    　
    　
  

    max
    　
    12.25
    14.25
    14.25
    14.25
    14.25
    14.25
    14.25
    14.25
    14.25
    14.25
    　
    　
  

    min
    　
    11.75
    13.75
    13.75
    13.75
    13.75
    13.75
    13.75
    13.75
    13.75
    13.75
    　
    　
  

    h
    Nominal   Size
    　
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    　
    　
  

    max
    　
    7.25
    8.25
    8.25
    8.25
    8.25
    8.25
    8.25
    8.25
    8.25
    8.25
    　
    　
  

    min
    　
    6.75
    7.75
    7.75
    7.75
    7.75
    7.75
    7.75
    7.75
    7.75
    7.75
    　
    　
  

    H
    min
    　
    14
    16
    16
    16
    16
    16
    16
    16
    16
    16
    　
    　
  

    max
    　
    16.5
    18.9
    18.9
    18.9
    18.9
    18.9
    18.9
    18.9
    18.9
    18.9
    　
    　
  

Nominal Diameter	Φ2	Φ2.2	Φ2.5	Φ3	Φ3.5	Φ4	Φ5	Φ6	Φ7	Φ8	Φ10	Φ12
d	min		2.1	2.3	2.6	3.1	3.6	4.1	5.1	6.1	7.1	8.1	10.2	12.2
max		2.4	2.6	2.9	3.4	3.9	4.4	5.4	6.5	7.5	8.5	10.7	12.7
n	Nominal Size		0.9	1	1	1.3	1.3	1.5	1.8	2.5	2.5	3	3.5	4
max		1	1.1	1.1	1.4	1.4	1.6	1.9	2.65	2.65	3.15	3.7	4.2
min		0.8	0.9	0.9	1.2	1.2	1.4	1.7	2.35	2.35	2.85	3.3	3.8
h	Nominal Size		0.5	0.6	0.6	0.8	0.8	0.9	1.2	1.6	1.6	2	2.2	2.5
max		0.6	0.7	0.7	0.9	0.9	1	1.3	1.7	1.7	2.1	2.35	2.65
min		0.4	0.5	0.5	0.7	0.7	0.8	1.1	1.5	1.5	1.9	2.05	2.35
H	min		1	1.2	1.2	1.6	1.6	1.8	2.4	3.2	3.2	4	4.4	5
max		1.2	1.4	1.4	1.9	1.9	2.1	2.8	3.8	3.8	4.7	5.2	5.9

Nominal Diameter	Φ14	Φ16	Φ18	Φ20	Φ22	Φ24	Φ27	Φ30	Φ36	Φ39	Φ42	Φ45
d	min		14.2	16.2	18.2	20.2	22.5	24.5	27.5	30.5	36.5	39.5	42.5	45.5
max		14.7	17	19	21.2	23.5	25.5	28.5	31.7	37.7	40.7	43.7	46.7
n	Nominal Size		4.5	5	5	6	6	7	7	8	10	10	12	12
max		4.7	5.2	5.2	6.2	6.2	7.25	7.25	8.25	10.25	10.25	12.25	12.25
min		4.3	4.8	4.8	5.8	5.8	6.75	6.75	7.75	9.75	9.75	11.75	11.75
h	Nominal Size		3	3.5	3.5	4	4	5	5	6	6	6	7	7
max		3.15	3.7	3.7	4.2	4.2	5.2	5.2	6.2	6.2	6.2	7.25	7.25
min		2.85	3.3	3.3	3.8	3.8	4.8	4.8	5.8	5.8	5.8	6.75	6.75
H	min		6	7	7	8	8	10	10	12	12	12	14	14
max		7.1	8.3	8.3	9.4	9.4	11.8	11.8	14.2	14.2	14.2	16.5	16.5

Nominal Diameter	Φ48	Φ52	Φ56	Φ60	Φ64	Φ68	Φ72	Φ80	Φ90	Φ100
d	min		49	53	57	61	65	69	73	81	91	101
max		50.5	54.5	58.5	62.5	66.5	70.5	74.5	82.5	92.5	102.5
n	Nominal Size		12	14	14	14	14	14	14	14	14	14
max		12.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25
min		11.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75
h	Nominal Size		7	8	8	8	8	8	8	8	8	8
max		7.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25
min		6.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75
H	min		14	16	16	16	16	16	16	16	16	16
max		16.5	18.9	18.9	18.9	18.9	18.9	18.9	18.9	18.9	18.9

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