济南Cast iron bolt

“品质为先，诚信为本，创新致胜”为宗旨，为客户提供产品和服务，Cast iron bolt产品欢迎您的选购与咨询，详情简介如下：

插销：机械零件，cylindricalthreadedfastenerswithnuts.akindoffastenercomposedofheadandscrew(圆柱体外螺纹)，whichisusedtoconnecttwopartswiththroughhole.thiskindofconnectioniscalledboltconnection.ifthenutisunscrewedfromthebolt，(二次扫描)，sotheboltconnectionisadeacachableconnection。

Accordingtothestressmodeofconnection:commonandreamed.accordingtotheheadshape:hexagonalhead，圆头，方头，countersunkheadandsoon.thehexagonalheadisthemostcommonlyused.generally，countersunkheadisusedwhereconnectionisrequired.

Theenglishnameofridingboltisu-bolt.itisanon-standardpart，和hapeisu形，soitisalsocalledu-bolt.therearethreadsatbothends，whichcanbecombinedwithnuts.itismainlyusedtofixtubularobjects，suchaswater pipiorfleces，suchasleafspringsofcars.becauseitswayoffixingobjectsislikeridingonahorse，itiscalledridingbolt.accordingtothethreadlength，itcanbepidedinto补漏和非富线。

根据螺纹轮廓，itcanbepidedintocoarsethreadandfinethread.thecoarsethreadprofileisnotshowninthemarkofbolt.accordingtotheperformancegrade，boltsarepidedinto8grades:3.6，4.8，5.6，6.8，8.8，9.8，10.9and12.9.amongthem，螺栓在8.8级以上(包括级8.8)aremadeoflowcarbonalloysteelormediumcarbonsteelandheattreated(淬火+回火)，它被称为强度好螺栓，而螺栓低于级8.8(不包括级8.8)则是生产的普通螺栓。

根据加工精度，普通螺栓，普通螺栓，梯度螺栓，andgradecisroughbolts.forconnectingboltsusedinsteelstructure，不均匀性，theyaregenerallycommonroughc-gradebolts.therearedifferencesintheprocessingmethodsofdifferentlevels，andthecorrespondingprocessingmethodsareasfollows:1theboltrodofgradeaandbboltsisprocessedbylathe，光滑面，准确尺寸，8.8级材料性能，复杂的生产和安装，高价格，andrarelyused；2gradecboltsaremadeofrawroundsteel，尺寸足够大，andthematerialpropertygradeisgrade4.6or4.8.shearconnectionhaslargedeformation，butitiseasytoinstallandhaslowproductioncost.itismostlyusedfortensileconnectionortemporaryfixationduringinstallation.

本公司一向秉承“共赢+效率+诚意”服务理念，非常重视客户采购以及后期Cast iron bolt产品使用中的各种问题，以服务利，期待与您的合作。