螺丝的英文：
screw
thread

参考例句：

Screw wrench
螺丝扳子

Re-secure the screw assembly in the reverse order that you removed it.
按相反的次序将拆下的螺丝组件重新固定上。

Loosen setscrew 4.
拧松线张力杆固定螺丝4进行调整。

Flat head screw
扁头螺丝

Adjusting screw
调校螺丝

Internal thread
内螺丝

Countersink head screw
埋头螺丝

brass square screw hook
黄铜螺丝曲尺钩

Raised head screw
凸头螺丝

Hexagonal head screw
六角头螺丝

screw是什么意思：
n. 螺丝钉，螺旋状物；压力，扭曲；吝啬鬼；古怪的人
v. 拧，旋；逼迫；敲诈

Use the screw screw.
用刑具夹人。

The wheels screwed.
轮子旋转着。

Pointer screws.
指针旋转着。

Put on the screw
施加压力

Screw on the box.
在箱子上刻螺纹。

thread是什么意思：
n. 线，棉线，毛线；丝状体；螺纹；头绪，思路
v. 穿线于…，装胶片于…；通，通过；穿成

pipe bend with female thread
两头带阴螺纹的弯头

To hang by a hair thread
千钧一发

There is a common thread in these two stories.
这两个故事之间有个共同的线索。

The thread unwound a little more.
线又松开了一些。

It is generally accepted that filament threads are stronger than spun threads of the same thickness.
一般来说,长纤纱制成的线比同样粗细的短纤纱制成的线更牢固。