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Nord-Lock NL10sp washer pair envelope for M10

Nord-Lock NL10sp washer pair envelope for M10: plain annulus Ø10.7 inside, Ø21 outside, 2.5 mm thick as printed (the maker pages do not say if T is the pair or one washer); cam faces not drawn

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

washerNL10sp
bolt sizeM10
Øi inside (mm)10.7
Øo outside (mm)21
T (mm)2.5
second table (TFC)agrees
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From the full sheet

Nord-Lock wedge-locking washers NL3 to NL130: inner and outer diameter, thickness, enlarged-OD (sp) pairs, two tables compared: every size, notes, mating features and sources. What are the inner diameter, outer diameter and thickness of a Nord-Lock washer for an M6, M8, M10, M12, M16 or 1/2 in bolt?

Other sizes