6 Metric Flange Nuts. Made in Germany DIN class 6330 B. Product class A according DIN ISO 4759 part 1 Hardness class 10 European Standard. These nuts are hardend and blackend. They are brand new and from the best quality. s = outside measurement from Nut and Wrench size needed d = 20mm s = 30mm m = 30mm a = 6mm d1 = 37mm Please read description very carefully. All weights and measurements are approximate. (We do not proofread any ads submitted by members) |
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