Text Box: Products: Hex Heads Flange Bolts Serrated Flange Bolts Square Head set screws Place Bolts Rib Necked Bolts T-Head Bolts Clevis Pins Ferrous Parts Text Box: Manufacturing Capabilities: Cold Heading Trimming Thread Rolling Drilling Pointing SEMS Assembly Knurling & Ribbing Text Box: Welcome to the Hawthorne Bolt Works web page. We are a leader in the manufacturing of Standard / and Semi-standard Fasteners. ISO 9001-2008 Certified. Efficient manufacturing processes and in-house tooling deliver exceptional value in cold headed fasteners. Diameters from 1/8” to 5/8” and lengths to 5” or M5 to M14 with lengths to 110 mm. No job is too Small. With rapid turnaround and excellent quality, our goal is complete customer satisfaction. Hawthorne Bolt Works is dedicated to providing high quality low cost fasteners to the marketplace, while maintaining a 100% on time delivery. DSCP / QLSM Approved Fastener Supplier to the US Military. Duns # : 803606354 Cage Code: 4TU98 Text Box: Material Grades: Low Carbon: 1008 – 1018 Medium Carbon: 1022 – 1045 Alloys: 4037 – 4140 & 8740 Stainless Steel: 300 series