Custom Security Screws & Tamper-Resistant Fasteners
Engineered for infrastructure protection. We provide 0.05mm precision tamper-resistant screws with custom drive designs and 10-day rapid prototyping.
Product Introduction
Industry pain points and background
In high-end automation, robotics, and optical instruments, securing pulleys, gears, and shafts requires absolute precision. Standard set screws often suffer from stripped hex drives, poor thread engagement, or dimensional inconsistencies, leading to slippage, calibration drift, and catastrophic mechanical failure. You need micro-fastening solutions that guarantee perfect concentricity, zero-deviation positioning, and immense holding power under dynamic loads.
Core Product Details
Guanbiao manufactures ultra-high precision set screws (also known as grub screws) designed for critical fastening, locating, and aligning applications. Using advanced precision thread rolling and CNC machining, we produce screws with flawless thread pitch and strict 0.05mm tolerances. Whether you need cup points for maximum shaft grip, flat points for frequent resetting without marring, or custom dog points for permanent locating in keyways, we deliver custom fastening solutions engineered to lock your most demanding assemblies securely in place.
Key Features
1: Tamper-Resistant Drive Designs
Custom proprietary anti-tamper patterns
2: Flush & Countersunk Head Options
Anti-grip designs to prevent plier removal
3: Cold Forged Tensile Strength
Exceptional structural core strength
4: Custom Driver Bits Available
Matching installation tools provided
5: Anti-Drill & Anti-Saw Hardness
Optional treatments to resist physical attacks
Product Showcase
Material Capabilities
Materials We Work With
Mechanical Testing
Stainless Steel (304, 316, 410, 420 for higher hardness); Carbon Steel (Grade 8.8, 10.9, 12.9); Alloy Steel; Brass.
Material Strategy
Materials used in our security fasteners comply with RoHS and REACH standards. We provide Material Test Certificates (MTC) to verify the tensile strength, hardness levels, and anti-corrosion properties required for your specific application environment.
Surface Finishes
Surface Finishes for Outdoor & Indoor Use
Dacromet & Zinc-Nickel
Reliable rust and weather resistance for extreme outdoor applications.
Black Oxide
Matte finish suitable for discrete assemblies like smart locks and optics.
Passivation
Enhances the natural corrosion resistance of stainless steel fasteners.
Heat Treatment
Increases surface hardness to resist mechanical wear, drilling, or tampering attempts.
Technical Capabilities
Manufacturing Capabilities & Tolerances
| Max Part Size | Custom dimensions based on client housing requirements. |
| Tolerances | Strictly maintained to ± 0.05mm. |
| Capabilities | Multi-Station Cold Heading + CNC Secondary Processing. |
| MOQ | Flexible / Small-Batch Trial Supported. |
Why Choose Us
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Featured Projects
Typical Precision Fastening Applications
Project 1
● Project Name: Smart Lock Anti-Theft Fastening
● Challenge: The client's exterior smart locks required a fastener that could not be removed by standard tools.
● Solution: We manufactured a custom pin-in geometric head screw with 0.05mm tolerance, ensuring only proprietary tools could access the module.
Project 2
● Project Name: Outdoor Telecom Cabinet Securing
● Summary: Supplied custom Dacromet-coated security bolts to secure telecom cabinets, providing both tamper resistance and 720h salt-spray weather durability.
Applications
Smart Locks & Access Control
Medical & Laboratory Equipment
Public Facilities
EV Charging Stations
FAQ
Yes. We design and supply the exact matching driver bits or wrenches for your custom order to ensure proper and efficient installation.
Yes. We use cold forging and CNC machining to create unique geometric drives that resist engagement from commercially available toolkits.
Yes. We offer 304/316 stainless steel and treatments like Dacromet, specifically designed for outdoor weather resistance.
Yes. We offer flexible MOQs to support your initial R&D and trial production phases.