Knurled Hand Tightening Screw UNC Thread Black Flat Round Head Thumb Screw

Thumb screws features a large and knurled head which is easy to grip and turn by hand.

It Is a type of machine screw that are installed by screwing the fastener into a pre-drilled or tapped hole.

We have flat knurled head thumb screw, knurled head flared collar thumb screw with shoulder, spade thumb screw, wing screw.

Machine screw consists of a head and a threaded shank, it is intended for use with a pre-drilled interior hole or a nut.

There is variety of machine screws with different heads, materials.

We list some of the most popular machine screw types:

Head types outlined below refer to the overall shape of the machines screws head, it is important for users to choose the right head types. You can get our head type and drive types in our down list list.

Pan head (round head) machine screw

Flat head machine screw

Oval head machine screw

Cheese head machine screw

Truss head machine screw

Hex washer head machine screw

Button head machine screw

Machine Screw drive types

Corss or Phillips

Slotted

Torx

Pozi

Torx pin

Socket pin

Camera screw is designed to install the camera to the gimbal mounting side.

it features a reduced shank underneath the head and a D ring on head, which makes it easy and fast to work.

Captive screw is a a type of machine screw, also known as captive panel screw, features a reduced shank under the head, the reduced shank ensures the screw stays in place when it attached to a panel. Captive screws are designed for securing panels where the screws needs to be retained.

Captive screws are one of our most popular products, we have a large variety of captive screws with different head types and drives, machine screw and bolt can be made to

Hex socket head captive screw

Hex head captive screw

Pan head captive screw

Flat head captive screw

Oval head captive screw

Custom captive screw