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Curved Spring Washers DIN 127

Curved Spring washers look like flat washers that have been slightly curved to exert light pressure and maintain flexibility.Its appliaction is that the mating part  resists loosening of machine components caused by vibration. Much like wave washers, curved washers can also be used to distribute loads of threaded bolts, screws, and nuts evenly. It should be placed to follow the curve of the hole, not go against it. Bhalla Fasteners curved spring washers are made of tempered steel.At Bhalla Fasteners we can manufacture curved spring washers from size 6mm to 20 mm hence making Bhalla Fasteners the leading manufacturer of curved washers in India.

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Weight Table

Weight in kgs. per 1,000 pcs. unless otherwise specified. All weights are approximations.

Size Weight
Type A Type B
M1 0.006  
M1.2 0.009  
M1.4 0.010  
M1.7 0.020  
M1.8 0.020  
M2 0.028  
M2.3 0.035  
M2.6 0.041  
M3 0.063 0.166
M3.5 0.088 0.154
M4 0.140 0.193
M5 0.222 0.266
M6 0.247 0.318
M7 0.265 0.800
M8 0.476 0.76
M10 1.05 2.04
M12   3.1
M14   5.5
M16   6.0
M18   7.8
M20   8.43
M22   11.9
M24   14.5
M27   21.1
M30   29.5

All information is strictly informative

Specification Table
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DIN 137A Specifications

 
DIN137B Curved Spring washer - product drawing - d1=ID, d2=OD, s=thickness, h=wave depth

All measurements in millimeters (mm)

d1 for screw d2 s
2.2 M2 4.5 0.3
2.8 M2.5 5.5 0.3
3.2 M3 6 0.4
3.7 M3.5 7 0.4
4.3 M4 8 0.5
5.3 M5 10 0.5
6.4 M6 11 0.5
7.4 M7 12 0.5
8.4 M8 15 0.5
10.5 M10 18 0.8