Description
The Cross Recessed Pan Head Screw manufactured to the GB818 standard is a high-performance machine screw designed for secure fastening in corrosive and demanding environments. Made from premium 316 stainless steel, this fastener offers superior resistance to rust, chemicals, and oxidation, making it particularly suitable for marine, chemical, food processing, and outdoor applications.
Featuring a pan head design with a cross recessed (Phillips) drive, this screw provides reliable torque transmission, easy installation, and a clean, professional appearance. The slightly rounded head with a flat bearing surface ensures stable clamping without damaging the contact material. As a precision-engineered fastening solution, the 316 stainless steel GB818 pan head screw delivers long-term durability and dependable performance across a wide range of industrial and commercial uses.
Features & Benefits
- Superior Corrosion Resistance: Manufactured from 316 stainless steel, offering exceptional protection against rust, saltwater, moisture, and chemical exposure.
- Reliable Cross Recess Drive: The cross recessed design ensures secure engagement with standard tools, reducing cam-out and improving installation efficiency.
- Pan Head Design: Provides a wide bearing surface for stable load distribution and a smooth, rounded appearance suitable for visible assemblies.
- High Thread Strength: Deep, uniform threads ensure strong holding power, even force distribution, and resistance to loosening under vibration.
Specification
|
Nominal diameter -d |
M1.6 |
M2 |
M2.5 |
M3 |
M3.5 |
M4 |
M5 |
M6 |
M8 |
M10 |
|
|
Pitch -p |
0.35 |
0.4 |
0.45 |
0.5 |
0.6 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
|
|
dk |
max |
3.2 |
4.0 |
5.0 |
5.6 |
7.00 |
8.00 |
9.50 |
12.00 |
16.00 |
20.00 |
|
min |
2.9 |
3.7 |
4.7 |
5.3 |
6.64 |
7.64 |
9.14 |
11.57 |
15.57 |
19.48 |
|
|
k |
max |
1.30 |
1.60 |
2.10 |
2.40 |
2.60 |
3.10 |
3.70 |
4.6 |
6.0 |
7.50 |
|
min |
1.16 |
1.46 |
1.96 |
2.26 |
2.46 |
2.92 |
3.52 |
4.3 |
5.7 |
7.14 |
|
FAQ:
Q1: Is a pan head screw better than a countersunk screw?
A: It depends on your application. A pan head sits on top of the surface, providing a wider bearing area and a rounded aesthetic, whereas a countersunk screw sits flush with the material.
Q2: Does the pan head sit flush with the surface?
A: No. The pan head is designed to sit slightly above the surface, offering a strong bearing area and a neat, finished appearance.
Q3: Do these fasteners require specialized tools for installation?
A: No. These Cross Recessed Machine Screws are compatible with standard Phillips-head screwdrivers and power bits, ensuring easy tightening and maintenance.
Q4: What applications are Cross Recessed Pan Head Screws best suited for?
A: These screws are ideal for marine equipment, chemical processing systems, food machinery, outdoor installations, and general manufacturing where corrosion resistance is critical.
Q5: Are custom sizes or bulk orders available?
A: Yes. Custom dimensions, thread lengths, and bulk supply options are available upon request.
