文档介绍：-198634内六角花形盘头螺钉Q215GB2672-198635内六角花形半沉头螺钉Q257GB2674-198636内六角花形沉头螺钉Q258GB2673-198637内六角花形圆柱头自攻锁紧螺钉Q260GB6564-198638六角头自攻锁紧螺钉Q261GB6563-198639十字槽沉头螺钉Q254GB81940十字槽半沉头螺钉Q256GB82041十字槽盘头自攻锁紧螺钉Q262GB6560-198642十字槽沉头自攻锁紧螺钉Q263GB6561-198643十字槽半沉头自攻锁紧螺钉Q264GB6562--198745十字槽盘头自攻螺钉Q271GB845-198546十字槽六角头自攻螺钉Q275GB9456-198847十字槽沉头自攻螺钉Q274GB846-198548开槽锥端紧定螺钉Q280GB71-198549开槽平端紧定螺钉Q282GB73-198550内六角平端紧定螺钉Q284GB77-198551方头圆柱端紧定螺钉Q286GB85-198852内六角锥端紧定螺钉Q288GB78-1985531型非金属嵌件六角锁紧螺母Q328GB88954六角法兰面螺母Q320GB617755方螺母Q310GB39-198856六角厚螺母Q363GB56-198857六角焊接螺母Q370GB13681-199258焊接方螺母Q371GB13680-199259小垫圈Q400GB848-198560平垫圈Q401GB95-198561大垫圈Q402GB96-198562弹簧垫圈Q403GB93-198763重型弹簧垫圈Q405GB7244-198764开口型扁圆头抽芯铆钉Q440GB12618-199065开口型沉头抽芯铆钉