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Library › Hardware › Nylon washers and EPDM / neoprene flat sealing washers: M2–M12 sizes…

EPDM flat sealing washer labelled M4 by the maker

EPDM flat sealing washer labelled M4 by the maker: plain annulus Ø4 inside, Ø9 outside, 1.5 mm thick (Polymax listing; no standard exists for these sizes)

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

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From the full sheet

Nylon washers and EPDM / neoprene flat sealing washers: M2–M12 sizes from two nylon makers, rubber washer sizes and what the standards say: every size, notes, mating features and sources. What size are nylon washers and EPDM or neoprene sealing washers for M4, M5, M6, M8, M10 and M12 screws?

Other sizes