M3 Lock Nut Stainless Steel A2 (304) DIN 439 .
Hexagon lock nut, stainless steel grade A2 (304). Lock nuts are often used when a nut needs to be locked into place without clamping against another object. It is also used in situations where a full nut would not fit. Also called jam nuts & half nuts.
Lock Nut Technical Specification:
d1 - 3.00mm
s - 5.50mm
e min - 5.45mm
m - 1.80mm
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