开槽圆柱头螺钉与开槽盘头螺钉区别在哪？谢谢大家为我解答。
英语翻译 中文品名Description in Chinese 英文品名Desciption in 圆锥销 Taper pins圆柱销 Parallel pins开槽圆柱头螺钉 Slotted cheese head screws开槽盘头螺钉 Slotted pan head screws单耳止动垫圈 Tab washers开口销 Split cooter pins开槽半沉头木螺钉 Slotted raised csk head wood screws开槽半圆头木螺钉 Slotted round head wood screws开槽沉头木螺钉 Slotted countersunk head wood screws平垫 Plain washers平垫（带倒角）Mediun washers平垫 Plain washers重型弹垫 Spring lock washers，tang ends标准弹垫 Spring lock washers，square ends鞍形弹垫 Single coil spring lock washers弹簧止动垫圈 Curved spring washers波形弹垫 Wave spring washersT型方颈螺栓 T-head blots with square neckT型双接头螺栓 T-head bolts with double nip螺纹圆锥销 Taper pins with threaded endT型头螺栓 T-head bolts蝶型螺母（美制）Wing nuts America form蝶型螺母（德制）Wing nuts germany form蝶型螺母（美制）Wing screws America form蝶型螺母（德制）Wing screws germany form圆球型盖型螺母 Ball knobs开槽带孔球面圆柱头蚴钉 。
为什么螺丝钉有那么多种接头？都有什么区别？为什么不能都用十字的？ （7.18）突然发现关注的人快50了，是不是要更新一下才能对得起大家.看了评论，有人说了螺栓，因为题目…
