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J.W. Winco Inc. offers GN 350.5 and GN 350.5-NI steel and stainless steel leveling sets, with spherical washer and locknut, in metric sizes.
These RoHS-compliant leveling sets are used for leveling, adjusting, and linking operations. GN 350.5 versions are made of zinc plated, blue passivated steel, 1.7225 (42 CrMo 4 V), and GN 350.5-NI versions are stainless steel, European Standard No. 1.4305 (American Standard Series 303).
Leveling sets consist of a threaded upper sleeve and a tapped lower sleeve. The fine thread allows precise, stepless setting and locking using a DIN 1810A hook wrench. An anti-rotation disk serves also as a height limiter for the maximum height. The spherical washer allows precise installation of two non-parallel planes at a required gradient up to ~4°.