双耳止动垫圈标准,双耳止动垫圈

发黑gb854单耳垫圈gb855双耳垫圈止动垫片垫圈规格t齐全￠6-￠42
304不锈钢gb855双耳止动垫圈止退防松锁紧介子垫片m6m8m10m12-m24
304不锈钢双耳垫片止动垫圈gb855 m4m5m6m8m10m12m14m16m18m20m24
304不锈钢双耳止动垫片 gb855双耳垫圈m3m4m5m6m8m10m12m16m20m48
单耳垫圈gb854双耳止动垫片gb855锁紧垫圈片m3m4m5-m42