These results can serve to design the screw box and housing screw and other heavy power screws.

所得结果，可供轧钢机械和有关人员设计压下螺旋以及其他重载传动螺旋时参考。

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Top view of panhead slotted screw. Selection box represents thread diameter.

平头一字槽螺钉的俯视图。选择框代表螺纹直径。

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Top view of roundhead slotted screw. Selection box represents thread diameter.

圆头一字槽螺钉的俯视图。选择框代表螺纹直径。

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The rear of the box leaned against a wooden shim, held by an rusty screw, also now partially buried in the tree.

FORBES: Zero Dollar Fix

At only .63 millimeters long it's tough to spot even on Journe's hospital-clean floor, but the minuscule screw has already gone through five separate polishing operations, so you don't just reach into the box for another one.

FORBES: Magazine Article