丁晴O型圈内径324.3/329.3/334.3/339.3/344.3/349.3/354.3*5.7mm

丁晴O型圈内径324.3/329.3/334.3/339.3/344.3/349.3/354.3*5.7mm

硅胶O型圈内径324.3/329.3/334.3/339.3/344.3/349.3/354.3*3.1mm

硅胶O型圈内径324.3/329.3/334.3/339.3/344.3/349.3/354.3*3.1mm

高品质棕色氟胶FKM/VITON日标O型圈G345 344.3*355.7*5.7

进口氟胶O圈内径344.3/338.6/339.3*5.7耐高温O型圈Viton密封圈

丁晴O型密封圈内径*线径359.3/363.8/344.3*3.1耐磨耐油

丁晴O型密封圈内径*线径343.6/344.3/358.6*5.7耐磨耐油

JIS日标耐油A级0型圈密封圈G345-344.3*355.7*5.7日本国家标准O圈

丁晴O型圈内径*线径359.3/363.8/344.3*3.1耐磨耐油密封圈

O型圈NBR 内径334.3/338/339.3/343.8/344.3/349.3/353.8*线径3.1

丁晴O型圈内径*线径343.6/344.3/358.6*5.7耐磨耐油密封圈

高端O型圈 密封圈 X 内径 外径 339.3*344.3*348.6*363.6线径5.7

【甬成】丁腈O型圈NBR内径343.8/344.3/349.3/353.8/354.3*3.1

进口VITON/FKM氟胶O型圈GS系列GS345 344.3*3.1日标耐高温密封件

进口氟胶O圈内径343.6/344.3/348.6*5.7耐高温O型圈Viton密封圈

【甬成】丁腈NBR内径339.3/343.6/344.3/348.6*5.7mm O型密封圈

【甬成】丁晴O型圈NBR内径332.8/337.8/340/342.8/344.3*8.6mm

进口VITON/FKM氟胶O型圈G系列G345 344.3*5.7日标耐高温密封件

O型圈 密封圈 X 内径 外径319.3*329.3*339.3*344.3*348.6线径5.7

丁晴O型圈内径324.3/329.3/334.3/339.3/344.3/349.3/354.3*5.7mm

硅胶O型圈内径324.3/329.3/334.3/339.3/344.3/349.3/354.3*3.1mm

.钻 41483347合金42.43. 46咀钻头344.3.钨钢43.柄. 3.3 493

进口氟胶O圈内径342.8/344.3/347.8/352.8/354.3*8.6 FFKM O型圈

进口氟胶O圈内径343.8/344.3/349.3*3.1耐高温O型圈Viton密封圈