Package include:150pcs M4 plat head phillips screws and 100 pcs black M4 nuts,total 250pcs in a handy box.
Content:
M4 x 6mm 25Pcs
M4 x 10mm 25Pcs
M4 x 12mm 25Pcs
M4 x 16mm 25Pcs
M4 x 18mm 25Pcs
M4 x 20mm 25Pcs
M4 nuts 100Pcs

Specification:
Product Name: M4 Machine Screws
Material: Carbon steel
Thread Type :Machine screws
Measurement system:Metric
Screw Type: Phillips
Color: black
Model: M4
Length: 6mm / 10mm / 12mm / 16mm / 18mm / 20mm

These black flat head screws have standard dimensions,plain and clean surface We have 6 sizes for you, you can choose the sizes you need, enough for you to use at home or work
Made of high quality Carbon steel,black screws,with high hardness,anti-corrosion and good stability

Wide applications: these machine screw cross countersunk head machine screw are good choice for electricians,Suitable for household, office equipment industry, the electronics industry, the communications industry, machinery, etc.
Note: Small parts, keep away from children under 6 years old.