Seller: stlhardware (4,272) 100% , Location: Saint Louis, Missouri, Ships to: US & many other countries, Item: 162288349138 Qty. 25 - vintage square head machine bolts 1/4-20 x 4" with square nuts - steel plain finish - thread length is 3/4" some surface rust on the threads and the nuts - Sterling Bolt Co., Chicago, Illinois - Box is not included the machine bolts will come packaged in a zip lock bag - the box was shown for information only. New old stock from an oldtime hardware store. Made in the USA Condition: New old stock - surface rust on some of the threads and nuts - Box is not included showed for information purpose only- machine bolts and nuts will come in a zip lock baggie, Fastener Type: Machine Bolt with Nut, Drive Type: Wrench, Head Style: Square, Coating: Plain, Grade: unknown, Material: Steel, Thread Diameter (in.): 1/4-20, Length (in.): 4", Brand: Sterling Bolt Company, Model: Square Head Machine Bolt, MPN: 1/4-20 x 4SHMB, Quantity: 25, Country/Region of Manufacture: United States, Thread Length: 3/4"