- vt.
(-sunk ) 打孔装埋(螺钉头)，打埋头孔。n.
埋头钻；埋头孔，暗钉眼。
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countersink中文什么意思
例句与用法
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- Cross recessed countersunk head thread forming screws
十字槽沉头自攻锁紧螺钉 - Countersinks , 90 , with parallel shanks and solid pilots
带整体导柱的直柄90锥面锪钻 - 90 countersunk head ladder bolts with mj thread , slotted
Mj螺纹一字槽90沉头阶梯螺栓 - Countersunk raised head screws common head style with cross recess
十字槽半沉头螺钉 - 90 degrees countersunk head rivets in aluminium alloys
铝合金制90埋头铆钉
英文释义
名词- a bit for enlarging the upper part of a hole
同义词：counterbore, countersink bit - a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
- insert (a nail or screw below the surface, as into a countersink)
同义词：set
百科释义
A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the surrounding material.
详细百科解释