These custom steel T-bolts were manufactured domestically using medium carbon steel material with zinc clear finish. 8-32 thread was incorporated at a length of 3/4" underneath the head. The head height is set to .04", head width across the flats at .32", and the width across the rounded sides at .438" +/-.015" max. Lead time for mass production of a similar part is typically 8-10 weeks from order confirmation.