Thumb screws provide a secure grip for tightening and loosening by hand. Shoulder Screws A cylindrical shoulder under the head allows parts to rotate around and slide along its length, so these screws are often used to guide and align components. Thumbscrew Torture (Torture) A bigger variant of the instrument that followed the same principle was used to crush victim's feet, knees and elbows. The Head Crusher was used for crushing the head. A similar device was used for medical purposes in order to straighten the fingers of warriors who had been injured. The effectiveness of such instrument is debated.
Thumb screws, commonly used to fasten objects in electronic and computing applications, are designed to be twisted by hand into a predrilled and tapped hole. They commonly have a knurled, hex, or socket cap head, and an external hex, internal hex, or slotted drive. Thumb Screws Thumb screws are a type of fastener designed to be tightened and loosened by hand. Standard thumb screws feature a tall head with knurled sides; spade head thumb screws feature a flat, vertical, key-like head. These specialized head styles allow for .
Thumb screws do not require tools to tighten making them convenient for a variety of applications. The heads are winged, knurled or vertically tall and flat to provide an easy grip.900,000+ Products · eQuotes · 24/7 Support · Free Account RegistrationServices: After-Hours Emergency Service, Grainger Consulting Services and more.
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