M3 Grub Screws 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.

M3 Set Screw Features:
These set screws are made from 12.9 grade carbon steel for high hardness, durability and long service life.
Oxidation surface finishing provides these set screws a cover of and protection.
They are multipurpose hex socket head set screws that you can simple drive with a hex key.
There are 8 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.

M3 Screw Set Specifications:
Material: 12.9 grade carbon steel
Surface Finishing: Oxidation
Color: Black
Size and Quantity:
M3x3mm 25pcs
M3x4mm 25pcs
M3x5mm 25pcs
M3x6mm 25pcs
M3x8mm 25pcs
M3x10mm 25pcs
M3x12mm 25pcs
M3x14mm 25pcs

3mm Grub Screw Package Includes:
200pcs x Screws