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> 820 ea M4-.7 x 20MM phillips screws w/washer & dry lock
820 ea M4-.7 x 20MM phillips screws w/washer & dry lock
Aircraft Machine Screws (assembled screw with Split Ring lock washer attached with DRY LOCK Strip):
Length: 20mm (nominal) - approx 18.75mm - from underneath split ring lock washer to end of threads)
Coating: Zinc with DRY LOCK Strip help prevent vibrational loosening.
These screws are more secure than Fort Knox. You get an attached split ring lock washer. As if that isn't enough, a dry lock strip (see blue substance applied to threads in photo) is applied to threads for further "locking" action.
