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Bigboltnut also manufacture ASTM A193 alloy and Stainless Steel Stud Bolts used for flanges and valves of high temperature or high pressure systems and other special application systems.
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HighGradeStudBoltsforIndustries Bigboltnutprovidehighqualitybladestudboltsrequiredinwindenergyindustriesforbladeandhubassembly.Astudboltisadoubleendedstudwhichismanufacturedaspercustomerrequirement. Hexboltsarealsousedinflangeconnectionsbutinthisarticlewewilldiscussthevariousfeaturesofstudbolts. Length Thelengthofastudboltisthetotallengthfromtoptobottomandalsofromthefirstthreadwherefirstthreadistheintersectionofthemajordiameterofthethreadwiththebaseofthepoint.Thelengthismeasuredininchesormillimetres. Materials ThematerialusedinthedoubleendedstudboltisdefinedintermsofASTM,ASME,DIN,ISO,JISoranyotherinternationalstandardwhichindicatesthegrade.Weprovideallthecommongradesofstudboltsrequiredasperapplication. BigboltnutalsomanufactureASTMA193alloyandStainlessSteelStudBoltsusedforflangesandvalvesofhightemperatureorhighpressuresystemsandotherspecialapplicationsystems. TheASTMA194includesalloy,carbonandstainlesssteelnutswhichareusedforhightemperatureorhighpressuresystemsorboth. Types WealsohaveStainlessSteeldoubleendedstudbolts.Suchtypesofboltshave threadsofequalorunequallengthonboththeendsforattachingnuts.Lengthofthestudismeasuredbytheoveralllengthofthethreads.Doubleendedstudboltsareusedinflangeswhentorchingisrequiredfromboththeends. Tapendstudsmanufacturedbyushaveashortthreadlengthonthetapsidealongwithatappedhole.ThissideisthreadedforClassUN-3Afit.ThenutendsideisthreadedforClassUN-2Afit.