Description
The 316 Stainless Steel Full Thread Screw represents the pinnacle of marine-grade fastening technology, engineered specifically for environments exposed to high chlorides, salt spray, and aggressive chemicals. These machine screws feature a precision-cut hexagonal socket drive and are available in both pan head and flat round head profiles to ensure optimal load distribution across mating surfaces. Unlike partially threaded bolts, the full-length threading of these stainless steel screws provides maximum engagement and holding power, making them indispensable for securing thin panels, electronic components, or heavy-duty marine hardware. Whether utilized in chemical processing plants or offshore construction, these fasteners offer a combination of high tensile strength and a clean, aesthetic finish that meets the most rigorous industrial standards.
Features & Benefits
- Marine-Grade Corrosion Resistance: Forged from 316 stainless steel (A4 grade), these screws contain molybdenum, providing vastly superior protection against pitting and crevice corrosion compared to standard 304 stainless steel. Ideal for sectors requiring "clean-room" or "wash-down" capabilities, including food processing, pharmaceutical manufacturing, and marine engineering.
- Maximum Holding Power: The Full Thread Screw design ensures that the threads engage the entire depth of the tapped hole or nut, offering peak tensile strength and preventing loosening in high-vibration applications.
- High-Precision Hex Socket Drive: The internal hexagonal drive allows for high-torque installation with minimal risk of "cam-out" or slippage, ensuring the drive stays intact even after multiple maintenance cycles.
- Low-Profile Head Options: Available in Pan Head and Flat Round Head designs, these fasteners provide a wide bearing surface that prevents material pull-through while maintaining a streamlined, professional appearance.
Specification
|
Specification |
Pitch |
a max |
dk max |
e min |
k max |
s |
t min |
|
M3 |
0.5 |
1 |
5.7 |
2.3 |
1.65 |
2 |
1.04 |
|
M4 |
0.7 |
1.4 |
7.6 |
2.87 |
2.2 |
2.5 |
1.3 |
|
M5 |
0.8 |
1.6 |
9.5 |
3.44 |
2.75 |
3 |
1.56 |
|
M6 |
1 |
2 |
10.5 |
4.58 |
3.3 |
4 |
2.8 |
|
M8 |
1.25 |
2.5 |
14 |
5.72 |
4.4 |
5 |
2.6 |
|
M10 |
1. 5 |
3 |
17.5 |
6.86 |
5.5 |
6 |
3.12 |
|
M12 |
1.75 |
3.5 |
21 |
9.15 |
6.6 |
8 |
4.16 |
|
M16 |
2 |
4 |
28 |
11.43 |
8.8 |
10 |
5.2 |
FAQ:
Q1: What are full thread screws used for?
A: Full thread screws are used where maximum holding strength is required. The continuous threading ensures a secure grip along the entire shaft, making them ideal for load-bearing and vibration-prone applications.
Q2: Why should I choose 316 stainless steel over 304 for these machine screws?
A: While both are stainless steel screws, 316 contains 2–3% molybdenum. This addition significantly improves resistance to chlorides (like salt) and industrial solvents, making it the only choice for marine or chemical-heavy environments where 304 might eventually rust.
Q3: What are the benefits of a Full Thread Screw versus a partial thread?
A: A Full Thread Screw is ideal when you need maximum grip along the entire length of the fastener. It is particularly effective in thin-wall applications or when the screw is used with a nut to clamp multiple thin components together.
Q4: Does the Hex Head Screw design help prevent stripping?
A: Yes. The hexagonal socket drive distributes force more evenly than a Phillips or Slotted drive. This allows you to apply higher torque during installation without damaging the head of the fastener.
Q5: Can these be used in aesthetic or architectural projects?
A: Absolutely. The Pan Head and Flat Round Head styles are specifically designed to look "finished" and intentional. They are commonly used in high-end furniture, architectural glass fittings, and visible electronic panels.
