Shake-proof washers

Shake-proof washers are used for thread sizes up to 16mm and can have external or internal teeth. The teeth are twisted out of flat so that the washer bites into the surfaces as it is compressed during tightening. Fig. 12.9(c). 

Figure 12 9. Locking washers (a)tab(b) helical spring (c) shake proof (d) spring fixing...

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See also in sourсe #XX -- [ , ]

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