#4 Lock Washer (5)

Micro Fasteners

$ 0.35 
SKU: HCW04
Availability: 4 in stock

#4 Lock Washer (5)

The washer size to be used with a particular screw size is determined by the first number in the screw size.

For example, a 4-40 machine screw and a #4 sheet metal have about the same major thread diameter and require a #4 washer, flat or lock.

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