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NHY-F00103
NHY
Our custom CNC machined anti-loosening mini set screw is a compact precision fastener engineered for tiny component assembly and anti-loosening fixation across electronics, medical devices, and precision furniture. Featuring a blue nylon thread-locking patch applied to its precision-machined threads, it delivers reliable vibration resistance to prevent loosening under long-term use and frequent movement. Produced via advanced CNC turning and thread rolling processes, this mini machined screw offers tight dimensional tolerances and customizable miniature sizes, catering to the precise fastening needs of small-scale industrial and consumer products while ensuring durable, maintenance-free connections without frequent readjustment.
| Parameter | Standard Specification | Custom Option |
|---|---|---|
| Material | Carbon Steel 1018/Stainless Steel 304 | Brass/Titanium Alloy |
| Thread Size | Custom (M1.2–M6, micro-threads) | Non-standard tiny thread pitches |
| Length | Custom (2mm–15mm) | Fully customizable miniature lengths |
| Nylon Patch Color | Blue (standard) | Custom colors (black/red) |
| Drive Type | Hex Socket (standard) | Torx/Phillips micro-drive options |
| Thread Tolerance | ±0.02mm | Tighter tolerance (±0.01mm) |
| Surface Finish | Zinc Plated / Passivated | Custom plating/coating |
| Hardness | HV 200–250 | Custom hardness levels |
3.Application Case
A smartphone manufacturer integrated our mini machined screws into camera lens bracket assembly, securing delicate optical components with the anti-loosening nylon patch. The tight CNC tolerance ensured zero component shift, reducing camera focus errors by 38% and improving product yield by 22%.
A medical device brand utilized our stainless steel machined screws in a portable blood glucose meter, fixing internal circuit boards. The corrosion-resistant finish and anti-loosening design met medical-grade safety standards, eliminating component loosening issues during patient daily use.

Nylon Anti-Loosening Patch: Prevents thread slippage under vibration and impact.
Miniature Customization: Non-standard tiny sizes fit precision micro-assemblies.
Corrosion Resistance: Stainless steel or zinc-plated options suit diverse environments.
Easy Installation: Hex socket design simplifies assembly with small Allen keys.
Low-Profile Structure: Flush fit avoids protruding and damaging delicate components.
100% dimensional inspection via CMM
Material certification (RoHS, mill test reports)
Fatigue and torque testing for critical applications
ISO 9001, ITAF 16949, ISO14001
