JIS M10x1.25 Metrisch Flansch Sechskantmutter BZP 14 mm Schlüsselmuttern Kettenrad M10 x 1,25
BZP finish Class 10 [Bright Zinc Plate]. M10 Flanged Nuts. 10mm x 1.25 (Fine Thread). Flange under side with serrated groves for self locking. - Thread: 1.25 (Fine Thread).