Reliance Precision Mechatronics

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Belleville Washer

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Part Description

The BW-M4 is part of the Belleville Washer range from Reliance Precision.

The key attributes of the BW-M4 are:

Screw Size : M4
Dimension (B) : 4.2mm
Compressed Height (Hc) (75% defl.) : 0.45mm
Force to Compress to (Hc) : 193N

See below for the full specification.

If you require a modified or custom version of this product please contact us for further information.

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BW-M4 Specification

BW-M4 2D Drawing


Compressed Height (Hc) (75% defl.)0.45mm
Diameter (D) 8.0mm
Dimension (B)4.2mm
Force to Compress to (Hc) 193N
Free Height (Hf)0.60mm
Nut Length (T) 0.40mm
Ref Height (Hr)0.20mm

Technical Specification

MaterialStainless steel X12CrNi 17 7 DIN2093
Screw SizeM4

For additional information about this component please contact us or download the catalogue from the box below.