Description:
A set screw is a type of screw generally used to secure an object within or against another object without using a nut. The most common examples are securing a pulley or gear to a shaft. Set screws are fully threaded and has no head projecting past the major diameter of the screw thread. These set screws are driven with an internal-wrenching hex socket drive.

Features:
These set screws are made from 12.9 grade alloy steel for high hardness, durability and long service life.
They are multipurpose hex socket head set screws that you can simple drive with a hex key.
There are 10 common sizes and you can concentrate on your project without worrying about not having the correct screws.
Get these total 200 pieces screws so you won't be running off to the hardware store for a set screw for quite a while.
Well packed and assorted in a transparent resealable box for convenient carry and storage.

Specifications:
Material: 12.9 grade alloy steel
Color: Black
Type: Hex Socket cup point
Size and Quantity:
20pcs   M3x3mm
20pcs   M3x4mm
20pcs   M3x6mm
20pcs   M4x4mm
20pcs   M4x6mm
20pcs   M5x5mm
20pcs   M5x8mm
20pcs   M6x6mm
20pcs   M6x10mm
20pcs   M8x8mm
Box Size: 13 x 6.5 x 2.3cm / 5.11 x 2.56 x 0.9"

Package Includes:
200pcs x Screws