304 Stainless Steel #4-40 Hex Standoff Screw 12mm Male-Female Thread
Price:
Negotiable
MOQ:
50000
Delivery Time:
15-20 work days
Brand:
guanbiao
Product Description
#4-40 Hex Standoff Screw - Male-Female Threaded Spacer - Stainless Steel - Passivated
Precision-machined spacers designed for electronic and industrial applications requiring US Unified Thread Standard (UTS) components.
Product Attributes
| Product Application | Computer Servers |
| Thread | Male-female |
| Lead Time | 15~20 working days |
| Finish | Passivation (Standard for optimal corrosion resistance) |
| Material | 304 Stainless Steel |
| Tolerance | +/- 0.05mm |
| Features | Male-Female Threaded Ends |
| Strength | High |
| Corrosion Resistance | High |
| Specification | ISO |
| Quantity | Pack of 1000 |
| Type | Standoff Screws |
| Samples | Free samples available |
| Easy To Install | Yes |
| Total Length | 12 mm |
Technical Specifications
| Thread Standard | #4-40 UNF (Unified National Fine) |
| Thread Diameter | Major Dia: ~0.112" / 2.84mm |
| Hex Size (AF) | 4.75 mm (3/16 Inch) |
| Total Length (L) | 12 mm (Common, Highly Customizable) |
| Male Thread Length (L_m) | 7 mm (Common, Highly Customizable) |
| Female Thread Depth (L_f) | ~5 mm (L - L_m, Customizable) |
| Material | 304 Stainless Steel |
| Surface Treatment | Passivation (Standard for optimal corrosion resistance) |
| Key Feature | Male-Female Threaded Ends |
| Customization | All dimensions (L, L_m, L_f) are fully customizable |
Primary Uses & Applications
- Computer Servers & Motherboards: Stacking PCBs and providing ground points in equipment designed to U.S. specifications.
- Networking Hardware: Mounting boards and components in routers, switches, and modems using #4-40 screws.
- Data Storage Arrays: Spacing drive trays and controller boards within storage enclosures.
- Test & Measurement Equipment: Building and spacing internal modules of US-made electronic test gear.
- Consumer Electronics: Used in high-end audio equipment, gaming consoles, and appliances requiring fine-threaded standoffs.
Installation Guide
- Tool Selection: Use a 3/16 inch (4.76mm) hex wrench to match the standoff's head size.
- Install Male Thread: Screw the male thread (#4-40) into a pre-tapped hole in the chassis or a base PCB.
- Stack Components: Place the board or component that needs to be spaced over the installed standoff.
- Secure Assembly: Insert a #4-40 machine screw through the component and into the female thread of the standoff.
- Custom Configurations: We can customize the male and female thread lengths to suit your specific requirements.
Our Advantages
- 20+ years of screw production and custom development experience
- Precise production equipment with imported machinery from Taiwan
- Comprehensive quality control with multiple strict monitoring processes
- Dedicated account management for seamless collaboration
- Free sample testing for compatibility verification
Support and Services
Our team provides comprehensive support including:
- Technical assistance and product selection advice
- Detailed product specifications and installation guides
- Troubleshooting assistance for any issues
- Maintenance tips and best practices
Packing and Shipping
- Secure packaging in moisture-resistant plastic bags within sturdy boxes
- Clear labeling for easy identification
- Reliable courier services with tracking information
- Palletized shipping for bulk orders
Our factory accepts customized drawings. Contact us to discuss specific certifications or custom parameters for your project.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Guanbiao Hardware Products Co., LTD
Location
No. 306, Yangkeng Road, Qiaotou Industrial Zone, Yangkeng Road, Qiaoli Village, Changping Town, Dongguan City, Guangdong Province
Contact Person
Nancy Li