合金铰刀钨钢绞刀4.81 4.82 4.83 4.84 4.85 4.86 4.87 4.88 4.89

进口NBR丁晴橡胶内4.87/5.15-188*1.8o型圈耐油ORing防水nbr胶圈

钨钢钻头4.78 4.81 4.83 4.85 4.87 4.90 4.92 4.94 4.96 4.99

内经4.5/4.87/5/5.15/5.3/5.6/6/6.3/6.7/6.9/7.1*1.8MM硅胶O型圈

硅胶O型圈内径4.87/5/5.15/5.3/5.6/6/6.3/6.7/6.9/7.1/7.5/8*1.8

O型圈密封圈丁晴/线径1.78MM内径4.76/4.87/5.12/5.15/5.28/6.07

美标氟胶O型圈内径4.87/5.12/5.28/6.07/6.35/6.75/7.65*1.78

精品无烧鸽血红4.87ct共4粒，干净玻璃体，高饱和度，打包4500/ct

丁晴O型密封圈内径4.87/5/5.15/5.3/5.6/6/6.3/6.7/6.9/7.1*1.8

硅胶O型圈内径4.75/4.87/5/5.15/5.3/5.5/5.6/6/6.3/6.7/6.9*1.8

橡胶O型圈密封垫内径4/4.5/4.87/5/5.15/5.3/5.6/6/6.3*线径1.8

A级优质 NBR丁腈胶O型圈线径1.8 内径3.55/3.75/4/4.5/4.87/5

优质O型圈内1.78/2.57/2.9/3.35/3.68/3.94/4.47/4.76/4.87*1.78

优质O型圈4.5/4.87/5/5.15/5.3/5.6/6/6.3/6.7/6.9/7*1.8黑色橡胶

丁晴胶O型圈内径4.5/4.87/5/5.15/5.3/5.5/6/6.3/6.7/6.9/7.1*1.8

黑色白硅胶O型圈内径3.75 4 4.5 4.87 5 5.15 5.3线径1.8mm食品级

氟胶O型圈内径3.55/3.75/4/4.5/4.87/5/5.15/5.3*1.8耐高温耐酸碱

氟胶O型圈 耐高温 密封圈内径4.87/5/5.15/5.3/5.6/6*线径1.8MM

内 3.55/3.75/4/4.5/4.87/5 * 1.8 MM 黑色耐油丁晴橡胶O型密封圈

NBR耐油橡胶垫圈丁腈胶O型密封圈 内径4.87MM*1.8

耐油丁晴胶O型圈NBR密封件3.75/4/4.5/4.87/5/5.15/5.3/5.6*1.8MM

丁晴O型圈内径3.55/3.75/4/4.2/4.3/4.5/4.8/4.87/5/5.15*1.8

氟胶O型圈 FKM 4.87 5 5.15 5.3 5.6 6 6.3 6.7 6.9 7.1*1.8mm

进口O型圈密封圈线径*1.8MM内径4.87/5/5.1/5.15/5.3/5.5/5.6/5.8

进口O型圈密封圈内径4.76/4.87/5.12/5.15/5.28/6.07线径*1.78MM

硅胶O型圈线径1.78内径4.87/5.12/5.28-7.8食品级密封圈高弹性

氟胶O型圈内径3.55/3.75/4/4.5/4.87/5/5.15/5.3*1.8耐高温耐酸碱

红色硅胶耐高温防水O型圈胶圈内径 3.75 4 4.5 4.87 5 5.15*1.8mm

全新ERJ-XGNF4871Y原装(RES 4.87K OHM 1% 1/32W 010

美标硅胶O型圈线径1.78*4.87/5.12/5.28/6.07/6.35/6.75/7.65/7.8

包邮进口O型密封圈线径1.78MM内径4.76/4.87/5.12/5.15/5.28/6.07

进口O型圈密封圈线径*1.8MM内径4.87/5/5.1/5.15/5.3/5.5/5.6/5.8

氟胶O型圈线径1.8/内径4.87/5/5.15/5.3/5.6/6/6.3/6.7/6.9/7.1/

合金铰刀钨钢绞刀4.81 4.82 4.83 4.84 4.85 4.86 4.87 4.88 4.89

直柄整体合金钨钢钻头4.81 4.82 4.83 4.84 4.86 4.87 4.8 4.89

进口氟胶O型圈内径4.5/4.87/5/5.15/5.3/5.6/6/6.3/6.7/7 *1.8MM

进口美标氟胶O型圈内径4.87/5.12/5.28/6.07/6.35/6.75/7.65*1.78

钨钢左钻合金反钻4.8 4.81 4.82 4.83 4.84 4.85 4.86 4.87 4.89

直柄整体合金钨钢钻头4.81 4.82 4.83 4.84 4.86 4.87 4.8 4.89

美标丁晴O型圈线径1.78*4.87/5.12/5.28/6.07/6.35/6.75/7.65/7.8