butterfly nut [机] 蝶形螺母 ; 翼螺帽 ; [机] 蝶形螺帽 ; 翼形螺帽
butterfly nut of brass 蝶形螺帽
Stainless Steel Butterfly Nut 不锈钢蝶型螺母
Butterfly Handle Nut 蝶型手柄螺母
The mother of nylon lock, metal lock master, K cap, hex nut, cap-shaped, butterfly hats and all kinds of washers, retaining rings, pins and so on.
尼龙锁紧母、金属锁紧母、K帽、六角螺母、盖帽形、蝶形帽及各式垫圈、挡圈、销类等。
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