The top is turning like a screw .
A screw has started. tighten it .
The threads of the screw are worn .
A screw with a good bite
To facilitate bone patching, they have pins, screws, plates .
I've been screwing gimlets into his head, and sticking forks in his eyes, and cutting my name on him .
Option uj1 8mm screw connector for test systems
You turn the screws round and round with a screwdriver
Hong shengli trade co . , ltd yexing metal factory
Straight cut - off blades for lathes and screw machines