150pcs Stainless Steel Hex Flange Nut Kit | M3-M12

Upgrade your interface with crisp visuals.
This 12864 Graphic LCD Module delivers a sharp 128x64 pixel resolution on a stunning blue backlight with white pixels. Built with the versatile ST7920 controller, it supports both Parallel and SPI Serial modes, allowing you to save precious I/O pins on your Arduino or microcontroller. Perfect for displaying complex graphics, charts, and custom text.

• High-Res Graphic Display: 128x64 dot matrix resolution enables text, images, and graph rendering.
• Crisp Visibility: Deep blue background with bright white pixels provides excellent contrast and aesthetics.
• Dual Interface Modes: Supports both 6800 8-bit Parallel and Serial (SPI) modes (Selectable via Pin 15 PSB).
• Standard 5V Logic: Seamlessly compatible with Arduino UNO, Mega, and other 5V logic controllers.
• Adjustable Contrast: Dedicated V0 pin allows for precise brightness and contrast tuning via potentiometer.
• Robust Mounting: Four corner mounting holes (3mm) for secure installation in enclosures.

The Professional Choice for Vibration-Resistant Fastening

Whether you are repairing household appliances, assembling STEM robotics, or working on automotive projects, the security of your fasteners is paramount. Standard hex nuts often require separate washers and can vibrate loose over time. Our Serrated Flange Nuts solve this problem elegantly.

Integrated Flange & Serrated Grip

The unique design features a wide, circular flange that acts as a fixed washer. This increases the bearing surface, distributing the load over a larger area to protect the material surface. The underside serrations bite into the material, providing a mechanical locking action that resists "self-turning" caused by torque or heavy vibrations.

Marine-Grade 304 Stainless Steel

Every nut in this 150-piece set is made from high-quality 304 Stainless Steel (A2-70). Unlike zinc-plated alternatives, these nuts are built to withstand humidity and prevent rust, making them ideal for CCTV mountings, outdoor electronic enclosures, and marine applications.

• Local delivery within Hong Kong and in-store pickup.​
• Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
• Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
• Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
• In-store pickup details (location and time) will be confirmed by email or phone message.​
• Delivery times are estimates and may be affected by weather or unforeseen circumstances.​