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Flat Washer

规格参数

size	Metric/ Imperial Size
hardness	NA
material	Carbon Steel, Stainless Steel, Brass, Cooper
standard	DIN125, DIN9021, ANSI/ ASME B18.22.1 SAE, USS, ASTM F436
surfaceTreatment	Plain, Oxide Black, Zinc Plated, HDG, Dacromet