Description
These zinc plated carbon steel thumb screws are sturdy and durable
Thumbscrews with flat knurled head provide extra grip for manual tightening.
Thumb screws can be tightened and loosened by hand, which makes manual driving easier.
We ensure the feeling of every customer. If this product does not meet or exceed your expectations, please return it for a refund without any questions asked.
The shoulder provides a good contact surface
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