TRUSCO NEW Lock Nut Trivalent Chromate M20 2 Pieces B766-0020 1 PK

Catalog number: B766-0020 Features: * The combination of a concave nut and an eccentric convex washer provides a strong anti-loosening effect. * The single nut can be tightened in one go with a general-purpose tool, making the work quicker and easier than double nut or resistance types. Applications: * For structures that require a high level of safety, such as highways, bridges, and tunnels. Specifications: ●Nominal diameter: M20 x 2.50 ●Two-sided width dimension (mm): 30 ●Nut type: Anti-loosening nut ●Dimension (mm) e: 34.6 ●Dimension (mm) h: 20.0 ●Dimension (mm) m: 20.0 ●Dimension (mm) s: 30.0 ●Eccentric washer outer diameter (mm): 37.0 ●Eccentric washer thickness (mm): 2.5 ●Reference tightening torque (N・m): 229 ●Dimension (mm) E: 34.6 ●Package: Bolt pack (blister) Material/Finish: ●Nut body: Equivalent to SWCH10R ●Washer: Equivalent to SAE1060 (M12 and below), equivalent to S55C (M16 and above) ●Surface treatment: Trivalent chromate finish