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  • AN ISO 9001-2008 | 14001-2004 | OHSAS 18001-2007 | PED CERTIFIED 97/23/EC
Ratnam Steel

Spring Lock Washer

Ratnam Steel is one of the leading Manufacturer of Spring Lock Washer in india, we are award winning Supplier of Spring Lock Washer in india, We are ISO Certified and best quality product Exporter of Spring Lock Washer in india. Ratnam Steel is 4th Largest Stockist of Spring Lock Washer in india. We are continuously expanding our product line as a Stockholder of Spring Lock Washer in india and Trader of Spring Lock Washer in india and provides our products to client in a combination of good grades, thickness, length, and surface finish. To fulfil Emerging customers need we Started working as a distributor and becomes largest Distributor of Spring Lock Washer in india. 

WHAT WE DO ?

  • Spring Lock Washer manufacturers in india
  • Spring Lock Washer suppliers in india
  • Spring Lock Washer exporters in india
  • Spring Lock Washer distributors in india
  • Spring Lock Washer traders in india
  • Spring Lock Washer stockist in india
  • Spring Lock Washer stockholder in india
  • Spring Lock Washer wholesaler in india
  • Spring Lock Washer importers in india
  • Spring Lock Washer manufacturer in Mumbai, Maharashtra
  • Spring Lock Washer manufacturers in Rajkot, Gujarat

 

Features:
* Durability
* High performance
* Corrosion resistant
* Perfect finish
* Precision engineered

 

Spring Lock Washer Dimensions

 

WASHERS

 

Lock Washers

Internal Tooth Internal Tooth Lock Washer
 
Nominal
Washer Size
A B C
Inside Diameter Outside Diameter Thickness
Min. Max. Max. Min. Max. Min.
2 0.086
4 0.112
6 0.138
8 0.164
10 0.190
12 0.216
1/4 0.250
5/16 0.312
3/8 0.375
7/16 0.438
1/2 0.500
5/8 0.625
1/8 Pipe
0.089
0.115
0.141
0.168
0.195
0.221
0.256
0.320
0.384
0.448
0.512
0.640
0.425
0.095
0.123
0.150
0.176
0.204
0.231
0.267
0.332
0.398
0.464
0.530
0.663
0.410
0.200
0.270
0.295
0.340
0.381
0.410
0.478
0.610
0.692
0.789
0.900
1.071
0.615
0.175
0.255
0.275
0.325
0.365
0.394
0.460
0.594
0.670
0.740
0.867
1.045
0.595
0.015
0.019
0.021
0.023
0.025
0.025
0.028
0.034
0.040
0.040
0.045
0.050
0.022
0.010
0.015
0.017
0.018
0.020
0.020
0.023
0.028
0.032
0.032
0.037
0.042
0.017

 

External Tooth External Tooth Lock Washer
 
Nominal
Washer Size
A B C
Inside Diameter Outside Diameter Thickness
Min. Max. Max. Min. Max. Min.
4 0.112
6 0.138
8 0.164
10 0.190
12 0.216
1/4 0.250
5/16 0.312
3/8 0.375
7/16 0.438
1/2 0.500
5/8 0.625
0.115
0.141
0.168
0.195
0.221
0.256
0.320
0.384
0.448
0.513
0.641
0.123
0.150
0.176
0.204
0.231
0.267
0.332
0.398
0.464
0.530
0.663
0.260
0.320
0.381
0.410
0.475
0.510
0.610
0.694
0.760
0.900
1.071
0.245
0.305
0.365
0.395
0.460
0.494
0.588
0.670
0.740
0.880
1.045
0.019
0.022
0.023
0.025
0.028
0.028
0.034
0.040
0.040
0.045
0.050
0.015
0.016
0.018
0.020
0.023
0.023
0.028
0.032
0.032
0.037
0.042

 

Internal - External Tooth Internal-External Tooth Lock Washer
 
Nominal Washer Size A
Inside Diameter
B
Outside Diameter
C
Thickness
Min. Max. Max. Min. Max. Min.
6 0.138
8 0.164
10 0.190
1/4 0.250
0.141
0.168
0.195
0.256
0.150
0.176
0.204
0.267
0.510
0.510
0.610
0.760
0.495
0.495
0.580
0.725
0.028
0.028
0.034
0.040
0.023
0.023
0.028
0.032
 

Flat Washers

Machine Screw 
NO ID OD TH WT/M
2
4
5
6
8
10
12
14
.092
.125
.140
.150
.170
.203
.227
.265
.219
.280
.280
.375
.375
.438
.500
.562
.018
.026
.026
.032
.032
.032
.048
.048
.16
.36
.33
.83
.79
1.10
2.22
2.70
Machine Screw Flat Washer
 

Fender Washers

Bolt Size ID OD TH Approx
No. in
20#
10

1/4

1/4

1/4

5/16

5/16

3/8

3/8

1/2
7/32

9/32

9/32

9/32

11/32

11/32

13/32

13/32

17/32
1

1

1-1/4

1-1/2

1-1/4

1-1/2

1-1/4

1-1/2

2
.051
.080
.051
.080
.051
.080
.051
.080
.051
.080
.051
.080
.051
.080
.051
.080
.051
.080
1.4M

1.5M

.92M

.62M

.96M

.64M

.94M

.66M

.38M
 

USS Washers USS Washer
Bolt
Size, In.
Outside Dia.,
In.
Inside Dia.,
In.
American
Standard Gauge
Approx.
Lbs. Per
M Pcs.
Approx.
No./Pcs.
Per Lb.
3/16
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2
1-5/8
1-3/4
1-7/8
2
2-1/4
2-1/2
2-3/4
3
9/16
3/4
7/8
1
1-1/4
1-3/8
1-1/2
1-3/4
2
2-1/4
2-1/2
2-3/4
3
3-1/4
3-1/2
3-3/4
4
4-1/4
4-1/2
4-3/4
5
5-1/4
5-1/2
1/4
5/16
3/8
7/16
1/2
9/16
5/8
11/16
13/16
15/16
1-1/16
1-1/4
1-3/8
1-1/2
1-5/8
1-3/4
1-7/8
2
2-1/8
2-3/8
2-5/8
2-7/8
3-1/8
18(3/64)
16(1/16)
14(5/64)
14(5/64)
14(5/64)
12(7/64)
12(7/64)
10(9/64)
9(5/32)
8(11/64)
8(11/64)
8(11/64)
8(11/64)
7(3/16)
7(3/16)
7 (3/16)
7(3/16)
7(3/16)
7(3/16)
5(7/32)
4(15/64)
3(1/4)
2(5/32)
2.8
6.7
11.5
14.9
24.4
38.5
45.5
77
110
153
188
220
260
333
385
448
500
569
630
826
961
1100
1300
361
149
87
67
41
26
22
13
9.1
6.5
5.3
4.5
3.8
3
2.6
2.3
2
1.8
1.6
1.2
1
.9
.8
 

SAE Washers

Bolt Size, In. Outside Dia., In. Inside Dia., In. American
Standard Gauge
Approx.
Lbs. Per
M Pcs.
Approx.
No/Pcs.
Per Lb.
4
6
8
3/16
12
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2
5/16
3/8
7/16
1/2
9/16
5/8
11/16
13/16
59/64
1-1/16
1-3/16
1-5/16
1-1/2
1-3/4
2
2-1/4
2-1/2
2-3/4
3
1/8
5/32
3/16
7/32
1/4
9/32
11/32
13/32
15/32
17/32
19/32
21/32
13/16
15/16
1-1/16
1-3/16
1-5/16
1-7/16
1-9/16
21(1/32)
18(3/64)
18(3/64)
18(3/64)
16(1/16)
16(1/16)
16(1/16)
16(1/16)
16(1/16)
13(3/32)
13(3/32)
13(3/32)
10(9/64)
10(9/64)
10(9/64)
10(9/64)
9(5/32)
9(5/32)
9(5/32)
.58
1.26
1.7
2.3
3.4
4.5
5.2
7.2
9.5
18.3
23.4
27.7
47.4
63
83
109
160
190
240
1650
790
585
435
280
222
192
140
105
55
43
36
21
16
12
9.2
6.25
5.25
4.25

 

Washer Specifications

Countersunk
Finishing Washers
 
Screw Size OD ID
Mm. Max.
6
8
10
12
1/4
.469
.531
.593
.656
.781
.170
.180
.235
.259
.305
.200
.210
.265
.289
.335
Countersunk Finishing Washer

Lock Washers

Lock Washer Countersunk
External Tooth
Lock Washer

 

Nominal
Washer Size
A B C D
Inside Diameter Outside
Diameter
Thickness Length
Min. Max. Ref. Max. Min. Max. Min.
6 0.138
8 0.164
10 0.190
1/4 0.250
0.140
0.167
0.195
0.255
0.150
0.177
0.205
0.267
0.301
0.340
0.369
0.468
0.021
0.021
0.025
0.025
0.017
0.017
0.020
0.020
0.092
0.105
0.099
0.128
0.082
0.088
0.083
0.113

Split Lock Washers

Hi-Collar Helical Spring Lock Washers

Nominal
Washer Size
A B W T+t
2
Inside Diameter Outside Diameter Washer Section
Width Thickness
Mm. Max. Max. Mm. Mm.
4 0.112
6 0.138
8 0.164
10 0.190
0.115
0.141
0.168
0.194
0.121
0.148
0.175
0.202
0.173
0.216
0.267
0.294
0.022
0.030
0.042
0.042
0.022
0.030
0.047
0.047
1/4 0.250
5/16 0.312
3/8 0.375
0.255
0.318
0.382
0.263
0.238
0.393
0.365
0.460
0.533
0.047
0.062
0.076
0.078
0.093
0.125
Split Lock Washer

 

Split Lock Washers

Medium and Heavy Split Helical Spring Lock Washers

Split Lock Washer
Nominal
Washer Size
A B T W
Inside
Diameter
Outside
Diameter
Mean Sect. Thickness
(
T + t)
2
Section Width
Max. Min. Med. Max. Heavy Max. Med. Min. Heavy Min. Med. Min. Heavy Min.
2 0.086
3 0.099
4 0.112
5 0.125
0.094
0.107
0.120
0.133
0.088
0.101
0.114
0.127
0.172
0.195
0.209
0.236
0.182
0.209
0.223
0.252
0.020
0.025
0.025
0.031
0.025
0.031
0.031
0.040
0.035
0.040
0.040
0.047
0.040
0.047
0.047
0.055
6 0.138
8 0.164
10 0.190
12 0.216
0.148
0.174
0.200
0.227
0.141
0.167
0.193
0.220
0.250
0.293
0.334
0.377
0.266
0.307
0.350
0.391
0.031
0.040
0.047
0.056
0.040
0.047
0.056
0.063
0.047
0.055
0.062
0.070
0.055
0.062
0.070
0.077
1/4 0.250
5/16 0.312
3/8 0.375
7/16 0.438
0.262
0.326
0.390
0.455
0.254
0.317
0.380
0.443
0.489
0.586
0.683
0.779
0.491
0.596
0.691
0.787
0.062
0.078
0.094
0.109
0.077
0.097
0.115
0.133
0.109
0.125
0.141
0.156
0.110
0.130
0.145
0.160
1/2 0.500
9/16 0.562
5/8 0.625
11/16 0.688
0.518
0.582
0.650
0.713
0.506
0.570
0.635
0.698
0.873
0.971
1.079
1.176
0.883
0.981
1.093
1.192
0.125
0.141
0.156
0.172
0.151
0.170
0.189
0.207
0.171
0.188
0.203
0.219
0.176
0.193
0.210
0.227
3/4 0.750
13/16 0.812
7/8 0.875
15/16 0.938
0.775
0.843
0.905
0.970
0.760
0.824
0.887
0.950
1.271
1.367
1.464
1.560
1.291
1.391
1.494
1.594
0.188
0.203
0.219
0.234
0.226
0.246
0.266
0.284
0.234
0.250
0.266
0.281
0.244
0.262
0.281
0.298
1 1.000
1-1/16 1.062
1-1/8 1.125
1-3/16 1.188
1.042
1.107
1.172
1.237
1.017
1.080
1.144
1.208
1.661
1.756
1.853
1.950
1.705
1.808
1.909
2.008
0.250
0.266
0.281
0.297
0.306
0.326
0.345
0.364
0.297
0.312
0.328
0.344
0.319
0.338
0.356
0.373
1-1/4 1.250
1-5/16 1.312
1-3/8 1.375
1-7/16 1.438
1-1/2 1.500
1.302
1.366
1.432
1.497
1.561
1.271
1.334
1.398
1.462
1.525
2.045
2.141
2.239
2.334
2.430
2.113
2.211
2.311
2.406
2.502
0.312
0.328
0.344
0.359
0.375
0.384
0.403
0.422
0.440
0.4


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