Description: Cap nut also can call Acorn nut, crown hex nut, blind nut, domed cap nut, or dome nut, have a dome end on one side, to protect the external thread when the external threaded fastener screw in. Cap nut has two types: low or standard cap nut, and high cap nut.
Strictly complies with ISO9001:2008 system, Each production process be well managed through self inspection, routing inspection by our workers. Our test equipments include: tensile machines, hardness tester, salt spray tester, Image measurement instrument, caliper, GO & NO-GO guage, etc.
Test and issue Material Test Report and Inspection Report by Hengrui before shipment to guarantee the product quality. The test report from the third parts are also avaliable as customer's requirments.