Library › Hardware › Flat washers, ISO 7090 (chamfered, normal series): M5–M64 bore…

M30 ISO 7090 washer at nominal size

M30 ISO 7090 washer at nominal size: bore Ø31, outside Ø56, thickness 4 mm; the outer-edge chamfer is not dimensioned in the source and is not modelled

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

threadM30
d1 nom = min31
d1 max31.39
d2 nom = max56
d2 min55.26
h nom4
h max4.3
h min3.7
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From the full sheet

Flat washers, ISO 7090 (chamfered, normal series): M5–M64 bore, outside diameter, thickness + M30–M48 washer files: every size, notes, mating features and sources. What are the ISO 7090 washer dimensions, and how big is an M30 or M36 flat washer?

Other sizes