M1.6 M1.8 x 1.5-30mm Brass Round Nuts Thread Sleeve Standoff Stud Connectors Long Nuts. - Thread Size: M1.6 ( Pitch 0.35mm ) ; M1.8 ( Pitch 0.35mm ). - Nut Length: 1.5mm to 30mm. Optional Size = Thread Size x Nut Length.
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