硅胶O型圈内径429.3/434.3/439.3/444.3/449.3/454.3/459.3*3.1mm

丁晴O型圈内径429.3/434.3/439.3/444.3/449.3/454.3/459.3*5.7mm

进口氟胶O圈内径434.3/437.8/442.8/447.8/452.8*8.6 FFKM O型圈

丁晴O型圈内径*线径433.6/434.3/435/438.6*5.7耐磨耐油密封圈

进口氟胶O圈内径429.3/434.3/439.3*3.1耐高温O型圈Viton密封圈

丁晴O型密封圈内径*线径433.6/434.3/435/438.6*5.7耐磨耐油

【甬成】丁腈NBR内径429.3/433.6/434.3/435*5.7mm耐油 O型密封圈

高品质棕色氟胶FKM/VITON日标O型圈G435 434.3 *445.7*5.7

丁晴O型圈内径*线径424.3/429.3/434.3*3.1耐磨耐油密封圈

丁晴O型密封圈内径*线径424.3/429.3/434.3*3.1耐磨耐油

【甬成】丁晴O型圈NBR内径422.8/424.3/432.8/434.3/437.8*8.6mm

进口VITON/FKM氟胶O型圈GS系列GS435 434.3*3.1日标耐高温密封件

【甬成】丁腈O型圈NBR内径434.3/439.3/444.3/449.3/454.3*3.1

进口氟胶O圈内径429.3/433.6/434.3*5.7耐高温O型圈Viton密封圈

进口VITON/FKM氟胶O型圈G系列G435 434.3*5.7日标耐高温密封件

日标G425/430/435/440*450/G47

日标G425/G430/G435/G440/G450/G470 424.3/429.3/434.3*5.7O型圈

EPDMO型圈内径429.3/434.3/439.3/444.3/449.3/454.3/459.3*5.7mm

优质NBR黑色丁晴丁氰美标O型圈 G435-434.3*5.7/G440-439.3*5.7

氟胶O型圈内径429.3/434.3/439.3/444.3/449.3/454.3/459.3*5.7mm