# Title: 5/8-18 x 13/16 x 2 1/8 A563 Hex Coupling Nut Zinc ## Description: 5/8-18 x 2 1/8 A563 Hex Coupling Nut Zinc . A double chamfered hex nut used to join to externally threaded parts of equal diameter and pitch, often two pieces of threaded rod. Manufactured from 1010 - 1018 equivalent steel. Hardness = Rockwell B68 - C32 Tensile strength = 60,000 psi. minimum. Note - there is no single standard for coupling nut dimensions. These values are offered as a guide; deviations from these specifications may occur. ## Product type: ## Vendor: FMW Fasteners ## Tags: FMW Fasteners, Shopify Collective ## Price range: 2.25 - 2.25 USD ## Link: https://shop.water-services.us/products/5-8-18-x-13-16-x-2-1-8-a563-hex-coupling-nut-zinc ## Options - Title: Default Title ## Variants - Default Title, SKU: 1733011, Available: no, Inventory: 0, Delivery profile: Shopify Collective ## Metafields - google_product_category: 1739 - product_status: {"pending":0,"failed":0,"approved":1}