Stainless Steel 304 Machine Screws Phillips Pan Head Metric M3 M4 Fine Thread Class 8.8 For Electronics Enclosure
Machine screws are precision fasteners with threads that run the entire length of the shank. They are designed to be used with pre tapped holes or nuts. Unlike wood screws or self tapping screws, machine screws do not cut their own thread. They require a tapped hole or a nut to create a secure joint. This design provides consistent clamping force and allows for easy disassembly when needed.
Fully Threaded Design
The thread on a machine screw is uniform from just under the head all the way to the tip. This full thread design allows the screw to engage with nuts or tapped holes at any point along its length. This makes machine screws versatile for different material thicknesses and assembly configurations.
Head Styles

Phillips pan headis the most common. Works with standard cross tip screwdrivers. Provides a wide bearing surface for clamping.
Flat headhas an 82 degree countersunk cone shape. The head sits flush with the surface. Good for finished panels where appearance matters.
Round headhas a domed top. Commonly used for general assembly where a low profile is not required.
Button headhas a low rounded profile. Good for applications where a protruding head is acceptable but a lower height is desired.
Cheese headhas a cylindrical shape with a flat top. Similar to pan head but with straight sides.
Truss headhas a wide low profile head. Provides a large bearing surface without adding much height.
Slotted round headhas a traditional straight line drive and a domed top. Good for light to medium torque applications.
Drive Types
Phillips drivefeatures a cross shaped recess that provides good centering and reduces cam out.
Slotted driveis the traditional straight line design. Simple and works with any flat head screwdriver.
Hex socket driveoffers excellent torque transmission without cam out. Good for high torque applications.
Materials
Stainless steelmachine screws offer good corrosion resistance for outdoor and wet areas.
Steelmachine screws with zinc plating provide good strength at a cost effective price point.
Brassmachine screws are corrosion resistant and non magnetic with a decorative finish. Good for electronics and fixtures.
Aluminiummachine screws are lightweight and non magnetic.
Bronzemachine screws offer good corrosion resistance for marine applications.
Coppermachine screws provide good electrical conductivity.
Size Range & Strength
Size Range Metric sizes M2 M3 M4 M5 M6. Inch sizes also available. Standard lengths from 3mm to 100mm. Custom sizes available for OEM orders.
Strength Grades Class 4.8 for general purpose. Class 6.8 for higher tensile strength. Class 8.8 for heavy duty applications. Class 10.9 and Class 12.9 for high strength requirements.
Applications & Quality
Where People Use Them Electronics housing assembly. PCB mounting. Home appliances. Industrial equipment. Automotive components. Precision instruments. Switch and socket mounting. Computer hardware. Medical devices. General mechanical assembly where pre tapped holes or nut plates are present.
Quality Assurance All machine screws undergo thread gauging and dimensional inspection. Various strength grades available. Custom manufacturing for special head styles and materials. Bulk wholesale pricing with factory direct shipping worldwide.
- Full thread from head to tip for consistent clamping
- For use with pre tapped holes or machine screw nuts
- Phillips pan head flat head round head button head cheese head truss head
- Stainless steel steel brass aluminium bronze copper
- Metric M2 to M6 Class 8.8
- For electronics appliances instruments machinery
General
Screw Type: Machine Screws, Head Style: Phillips Pan Head / Flat Head / Round Head / Button Head / Cheese Head / Truss Head / Slotted Round Head, Drive Type: Phillips / Slotted / Hex Socket
Material
Stainless Steel: 304, Steel: Zinc Plated, Brass: Nickel Plated, Aluminium: Lightweight, Bronze: Corrosion Resistant, Copper: Conductive
Dimensions
M2 to M6, Length: 3mm to 100mm
Strength
Class 4.8 / 6.8 / 8.8 / 10.9 / 12.9
Application
Electronics, Appliances, Instruments, Machinery




