A2/A4 Stainless Steel Hex Standoffs/ Vibration Resistant / Batch
Orders Guanbiao Hardware
Heavy-duty A2/A4 stainless steel hex standoffs with male-female
threads. For industrial machinery, outdoor enclosures & marine
use. High strength & corrosion resistance. Passivated
finish.
Engineered for demanding environments, our **Stainless Steel Hex
Male-Female Standoffs** deliver exceptional strength, vibration
resistance, and long-term corrosion protection. The robust hex
design allows for high-torque installation, while the male-female
threading enables secure component spacing and stacking in
industrial, marine, and outdoor applications where reliability is
critical. Built to withstand harsh conditions without compromising
performance.
TECHNICAL SPECIFICATIONS |
| Material | A2 / 304 Stainless Steel, A4 / 316 Stainless Steel, |
| Type | Hex Standoff with Male-Female Threads |
| Thread Sizes | Common: M4, M5, M6, M8, M10 (e.g., Female M6 x Male M6). Larger
sizes available |
| Hex Size (AF) | Larger for higher torque (e.g., M6≈10mm AF, M8≈13mm AF) |
| Length (Body) | Standard: 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm+. Custom
lengths. |
| Thread Pitch | Standard metric coarse |
| Strength | High tensile strength (A2/A4-70: Min 700 MPa). A2/A4-80 also
available |
Primary Uses & Applications:
* Industrial machinery & equipment frame
assembly.
* Mounting components in outdoor electrical
enclosures & junction boxes.
* Marine equipment & offshore platform
assemblies.
* Food processing & pharmaceutical
equipment (A4 preferred).
* Chemical plant instrumentation & piping
supports.
* Heavy-duty transportation & vehicle
subsystems.
* Renewable energy installations (solar/wind
turbine enclosures).
* Telecommunications cabinets & outdoor
antennas.
Surface Treatment/Finishes:
* **Passivation (Standard for A2/A4):**
Critical chemical process to maximize corrosion resistance by
removing free iron and enriching the chromium oxide layer.
* **Electropolishing (Optional):** Improves
corrosion resistance, provides smoother surface (easier cleaning),
bright finish. Ideal for food/pharma.
* **Bead Blasting/Satin Finish:** Decorative
matte finish, common for architectural/visible applications.
* **PTFE Coating (Teflon®) (Optional):** Dry
lubricant coating reduces friction/galling during assembly &
provides added chemical resistance.
How to Use:
1. **Prevent Galling:** Apply a **stainless
steel anti-seize compound** (nickel or copper-based) to **both**
the male threads before installation and the female threads before
inserting screws. This is **crucial** for stainless-on-stainless
contact.
2. **Install Male Thread:** Use the correct
size hex key or socket wrench. Screw the male end firmly into the
tapped base material. Apply controlled torque – do not overtighten.
3. **Mount Component:** Align the component
over the female threads.
4. **Secure Component:** Insert a compatible
**stainless steel machine screw** into the female thread. Tighten
securely using appropriate torque.
5. **Stacking:** For multi-layer spacing, screw
the male end of a second standoff into the female end of the first.
Ensure anti-seize is used on all mating threads.
6. **Tool Use:** Always use undamaged,
correctly sized tools. Avoid excessive speed when driving to
minimize heat/friction.
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