- 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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- 90 countersunk head bolts with recess , tolerance p6
光杆公差带p6一字槽. 90沉头螺栓 - Pins , 90 countersunk head , in titanium alloy material
Tc16钛合金90沉头环槽铆钉 - Screws , cross recessed , 120 degree raised countersunk head
十字槽120半沉头螺钉 - Pins , 90 countersunk head , in aluminum alloy material
Ly9铝合金90沉头环槽铆钉 - Aircraft assembling technology dimpling and countersinking
飞机装配工艺.压窝与锪窝
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