Materials: Carbon steel, Stainless steel
Application: Automotive Industry,  Rail Transit,  Communications Equipment,  Arine Engineering,
Aerospace,  Machinery Industry,  Electronic Manufacturing, Petrochemical Industry, Photovoltaic
and Solar Energy Industries and Fields.
Length: 3mm - 60mm
Package:
1. In bulk : Polybag ( 1-5 kgs) and cartons (8-20 kgs ) , 0.01 CBM / CTN
2. Boxes : Box ( 1-3 kgs) and cartons ( 5-15 kgs ) , 0.01 CBM / CTN
3. All cartons to a pallet ( 1X1.2 m )
4. Customized packing
Surface Finishing  1) Zn- Plated (2) Ni-plated (3) Passivated (4) Tin-plated (5) Sandblast and 
Anodize (6) Chromate (7) Polish (8) Electro Painting (9) Black Anodize (10) Plain (11) Chrome
plated (12) Hot Deep Galvanize(H. D. G. ) etc.
 Features:
1.Standard sizes
2.Quick installation
3.Not easy to be rusted
4.No burrs or scratch .
5. We supply credible products with high quality in timely delivery.
6.All of our products are inspected by QC before packing
7.Standard export package or according to your requirements.
Size:
1. Thread Size: M1
Available Length: 2mm,3mm,4mm,5mm,6mm
2. Thread Size: M1.2
Available Length: 2mm, 3mm, 4mm,5mm,6mm,8mm,10mm
3. Thread Size: M1.4
Available Length: 3mm,4mm,5mm,6mm,8mm,10mm
4. Thread Size: M1.6
Available Length: 3mm,4mm,5mm,6mm,8mm,10mm, 12mm
5. Thread Size: M2
Available Length: 2mm,3mm,4mm,5mm,6mm,8mm,10mm, 12mm,
14mm, 16mm, 18mm, 20mm, 25mm
6. Thread Size: M2.5
Available Length:2mm,3mm,4mm,5mm,6mm,8mm,10mm, 12mm,
14mm, 16mm, 18mm, 20mm, 25mm, 30mm
7. Thread Size: M3
Available Length: 3mm,4mm,5mm,6mm,8mm,10mm, 12mm,
14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 30mm
8. Thread Size: M4
Available Length: 4mm,5mm,6mm,8mm,10mm, 12mm,
14mm, 16mm, 20mm, 25mm, 30mm
Product Description
1.Great kit for the home or workplace. Contains an assortment of sizes of machine screws.
2.These machine screws are used with nuts or directly into a female threaded receptacle to fasten
 metal parts together. Ｗasher provides a greater bearing surface, protecting material.
3.Steel construction/ Zinc-plated
4.Machine screws are used for many types of electrical connections and terminal strips. They are
installed into an existing or predrilled, pre-tapped hole and are fully threaded. If nuts are needed, 
use with nuts of the same material, finish, and threading for proper fit.
Machine screw is widely used in environmental protection equipment, medical equipment, 
communication equipment,electric power facilities, electronic products, food machinery, 
petrochemical industry, ship assembly, pump valve pipelines,building curtain wall, outdoor 
occasions, etc.

Head type:Pan head
Standard:DIN7504N
Material:C1022, C1022A ···
surface treatment:Zinc Plated (White Blue Zinc Plated, Yellow Zinc, White Zinc Plated)
Diameter:3.5mm, 3.9mm, 4.2mm, 4.8mm ···
Driver types:Phillips
Rib(Nib):Customized
Why is it called a machine screw?
Metal screws were called machine, or machinery, screws since they were made of metal and mated with
threaded holes.
What are machine screw sizes?
Machine screws are often found in sizes of: 0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14—the larger the number, the 
larger the screw.
Machine screws, but especially caps screws and bolts, can range from 1/4 inch up to 3 inches or more.