COMMITTED TO QUALITY 

The quality management system of Double HH Manufacturing is ISO 9001:2008 certified. Documented quality procedures are followed at every operational phase from the initial order placement to Contract Machining, Fabrication, Assembly and Packaging, Manufacturer and Distributor of Hitchpins, Hardware, Agricultural Equipment Components and Non-Threaded Fasteners. Click to view our ISO certificate (PDF). You can be assured of our commitment to superior quality, manufacturing and final shipment.