螺丝附华司组合screwsandwashersassembled（sems）
大尺寸螺栓bigsizebolts
不锈钢小螺丝stainlesssteelsheetmetalscrews
不锈钢大螺丝stainlesssteelbolts
铜螺丝brassscrews
铝螺丝aluminumscrews
合金钢螺丝alloysteelscrews
电子螺丝electronicscrews
微小精密螺丝microscrews
塑胶螺丝plasticscrews
复合材料用螺丝particleboardscrews
钛合金螺丝titaniumalloybolts
钛、锆、钼、铌等螺丝、零件、材料ti,zr,mo,nbparemetalboltsparts
拇指螺丝thumbscrews
双头牙螺丝doubleendscrewshangerbolt
车辆（汽车）螺丝、螺帽automotivefasteners
航太用螺丝aerospacefasteners
飞机特殊扣件sourcecontrolbolts
拉栓blindbolts
面板螺丝panelfasteners
电梯螺丝elevatorbolts
四角头固定螺丝squaresetscrews
大头马车螺丝stepbolts
单向螺丝onewaylagscrews
管夹螺丝hoseclampscrews
不锈钢固定螺丝stainlesssteelhexsocketcapscrews
不锈钢内六角螺丝stainlesssteelhexsocketcapscrews
铰链螺丝hingescrews