Thumb screw is a type of fastener with a large, easy-to-grip head that you can tighten and untighten by hand are available in a range of sizes including large thumb screws, long thumb screws and miniature thumb screws, so you should easily find what you need.
Thumb screws are not intended for structural applications for obvious reasons – you need permanent fasteners for that. Typically, thumb screws should be avoided for applications that will vibrate, as they’re vulnerable to loosening. Some thumb screws do come with a Phillips slotted head. Generally, it’s the slotted head thumb screws, coupled with washers, that can be used for some high-vibration applications.
This universal D-ring thumb screw is generally used to attach a camera, camera stabilizer, quick release plate, tripods, monopods, lightstands, telescopes, ballheads, lens collars, lens plates or some other accessories. It’s hand tight via ‘D-ring’ or locked by a screwdriver, very easy to use. The structure of product is compact,easy to carry.
