316 Stainless Steel #4-40 Hex Standoff Screw 12mm Electropolished
Λεπτομέρειες:
Τόπος καταγωγής: | Κίνα |
Μάρκα: | guanbiao |
Πιστοποίηση: | ISO9001 |
Αριθμό μοντέλου: | Προσαρμόσιμος |
Έγγραφο: | guanbiao hardware PPT(new)P...DF.pdf |
Πληρωμής & Αποστολής Όροι:
Ποσότητα παραγγελίας min: | 50000 |
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Τιμή: | negotiable |
Συσκευασία λεπτομέρειες: | Πλαστική σακούλα + χαρτοκιβώτιο + παλέτα |
Χρόνος παράδοσης: | 15-20 εργάσιμες ημέρες |
Όροι πληρωμής: | T/t |
Δυνατότητα προσφοράς: | 5000000 |
Λεπτομερής ενημέρωση |
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εφαρμογή προϊόντος: | Ηλεκτρονικά θαλάσσια και υπεράκτια | Νήμα: | Άντρας-Γυναίκα |
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Χρόνος μολύβδου: | 15 ~ 20 εργάσιμες ημέρες | Φινίρος: | Electropolishing ** (RA <0,4 μm, ανώτερο φινίρισμα) |
Υλικό: | A4-80 / 316 ανοξείδωτο Stee | Ανεκτικός: | +/- 0.05mm |
Αντοχή στη διάβρωση: | Εξαιρετική για θαλάσσια (C5-M) και χημικά περιβάλλοντα | Δύναμη: | Ψηλά |
Προσδιορισμός: | ISO | Ποσότητα: | Συσκευή 1000 |
Τύπος: | Στροφές αντισταθμίσεως | Δείγματα: | Δωρεάν δείγματα |
Εύκολο στην εγκατάσταση: | Ναί | Συνολικό μήκος: | 12 mm |
Επισημαίνω: | 316 stainless steel standoff screw,electropolished hex standoff screw,4-40 standoff screw 12mm |
Περιγραφή προϊόντων
Attribute | Value |
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Product Application | Marine & Offshore Electronics |
Thread | Male-female |
Lead Time | 15~20 working days |
Finish | Electropolishing (Ra < 0.4 µm, Superior finish) |
Material | A4-80 / 316 Stainless Steel |
Tolerance | +/- 0.05mm |
Corrosion Resistance | Excellent for Marine (C5-M) & Chemical environments |
Strength | High |
Specification | ISO |
Quantity | Pack of 1000 |
Type | Standoff Screws |
Samples | Free samples available |
Easy To Install | Yes |
Total Length | 12 mm |
Engineered for the most demanding environments, our premium #4-40 Hex Standoff Screws are manufactured from A4/316 stainless steel and feature an electropolished finish. This combination provides exceptional resistance to harsh chemicals, frequent sterilization, salt spray, and corrosive atmospheres.

Specification | Value |
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Thread Standard | #4-40 UNF |
Thread Diameter | Major Dia: ~0.112" / 2.84mm |
Hex Size (AF) | 4.75 mm (3/16") or Custom |
Total Length (L) | 12 mm (Common, Fully Customizable) |
Male Thread Length (L_m) | 7 mm (Common, Fully Customizable) |
Female Thread Depth (L_f) | ~5 mm (L - L_m, Fully Customizable) |
Material | A4-80 / 316 Stainless Steel |
Surface Treatment | Electropolishing (Ra < 0.4 µm, Superior finish) |
Corrosion Resistance | Excellent for Marine (C5-M) & Chemical environments |
Customization | All dimensions and thread combinations available |

- Medical Devices: Assembly of surgical instruments, diagnostic equipment, and implantable device packaging where cleanliness and corrosion resistance are paramount.
- Laboratory & Analytical Equipment: Spacing components in spectrometers, DNA sequencers, and automated fluid handling systems exposed to chemicals.
- Marine & Offshore Electronics: Used in navigation systems, underwater sensors, and communication devices on boats and platforms.
- Food & Beverage Processing: Equipment assembly where cleanability and resistance to corrosive cleaning agents are required.
- Aerospace & Defense: Avionics and critical electronic systems where reliability in harsh conditions is essential.
- Clean Environment: For medical and high-purity applications, install in a controlled, clean environment.
- Installation: Use a clean, 3/16 inch hex wrench. Carefully screw the male thread into the receiving tapped hole. The electropolished finish reduces friction.
- Final Assembly: Use a matching #4-40 stainless steel screw to secure the component to the female thread of the standoff.
- Torque Control: For consistent and reliable results, especially in critical applications, use a torque screwdriver set to the recommended value for #4-40 screws in stainless steel.
- Custom Solutions: We can work with you to create standoffs with specific lengths and thread depths to solve unique design challenges in your product.
- More than 20 years of screw production experience and non-standard screw custom development experience, providing cost-effective solutions for your fastener supply chain.
- Precise production equipment from Taiwan to manufacture precision screws and hardware accessories, with free sample testing for compatibility verification.
- Complete quality management system with multiple strict monitoring checks for each batch of products.
- Dedicated account management for seamless collaboration and system-supporting services.

Our team of knowledgeable professionals provides comprehensive support for all aspects of our hex standoff screws, including:
- Selection advice to ensure the right type and size for your project
- Guidance on proper installation techniques
- Detailed product specifications and material safety data sheets
- Step-by-step installation guides and troubleshooting assistance
- Maintenance tips and best practices to extend product life
- Packaged in durable, moisture-resistant plastic bags within sturdy cardboard boxes
- Secure packing materials to prevent movement during transit
- Clear labeling with product information for easy identification
- Palletized and shrink-wrapped for bulk orders
- Reliable courier services with tracking information provided
Our factory accepts customized drawings and specifications. Contact us to discuss your specific requirements for technical certifications or special parameters.