4 Pieces Total Diameter/Pitch: 7/16"-14 | Length Under Head: 1-3/4" Wrench Size: 5/8" | Grade: 8 Finish: Black Phosphate & Oil Threading: Coarse Full BoltsandNuts.com is a family owned full-line fastener distributor located in Perry, Ohio. We stock over 16,000 sku’s and operate out of a 30,000sqft facility. Our company was founded in 2013 with the boom of internet e-commerce. We can supply items like Hex Bolts, Flange Bolts, Socket Products, Screws, Nuts, Washers, Assortments, and much more. We have proven to be a reputable supplier to many different industries, and can supply anything from a single piece to full truck loads of fasteners. Our operations and dedicated team have over 100+ years of combined existing fastener experience. We look forward to serving you!