M2 M2.5 to M20 Brass Threaded Rod Full Thread Studding Bar 250 mm Length DIN 97. Standard:DIN 976. Thread Size:M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20. M20: thread pitch 2.5mm. M2: thread pitch 0.4mm.
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