Gevindindsats

ReleaseAugust2012 A-3 Features Alcoa Fastening Systems ThreadedInserts arehighstrengththreadedinsertsmadefromstainles stel1.4305.Theyarepas- sivatedacordingtoEN2516.Our standardproductrangecontainsmetricthread dimensions.Imperialdimensionsandspecialsareavailableuponrequest. canbeusedinalloys,lightmaterials,stelandcastirontogiveincreasedthread strengthintheselowstrengthmaterials.Theyarealsobeusedforthreadrepairenablingthe damagedthreadtobereplacedwiththesamesizethread. Solidconfigurationgivesahighcyclelifewithmultipletighteningandloseningof thebolt.Lockinginsertshaveadryfilmlubricationonthesurfacetoprotectthescrewfromgalling. haveapositivemechanicallockagainstrotationandvibration. have2or4pre-asembledkesdependingonthesizeoftheexternalthread.After installationofthekesintotheparentmaterialtheasemblyispositivelylockedinplace. Pull-out-strengthfor .Calculationisasfollows : Pul-out-strength(N)=shearengagement(m 2 )xultimateshearstrengthofparentmaterial(N/m 2 ) Shearengagementareasareshownonthe datashets. Part-no.example: Thepart-no.formetric arecodedasfolows: KNHML 8X1,25 insidethreaddiameterxpitch lockingtype metric heavyduty series