UNC Coarse Thread Rod National Hardware® 6-1/2" Zinc Pull At ASTM A307 Grade A Rod Authorized Replacement for Stanley Hardware Stock #N179-622 Plated steel has increased resistance to corrosion thanks to its zinc-plated and galvanized finishes. Perforated tubes, slotted flats and angles, smooth rods... Consists of UNC coarse threads Zinc Plated Steel Threaded Rod Bar M8 x 300mm Includes Lock Nuts & Washers 8mm 5056213511883 | eBay Minimum tensile strength of 60 KSI Meets ASTM A307 Grade A National Hardware National Hardware 4000BC Steel Threaded Rod - Coarse Thread in Zinc plated - N179-622 SKU: 3937662 (0) $12.99 Earn Rewards National Construct-it Threaded Rod - Coarse threads. National catalog Model - Coarse threads. Zinc-plated steel finish for maximum rust protection.