Name: 150pcs Stainless Steel Flange Nut Kit (M3-M12) | Sun Cheong
Brand: Sun Cheong Computer Company Limited
SKU: 21PS001726
Price: 367.0 TWD
Availability: InStock

Short Product Description

Stop worrying about loose bolts and missing washers. This 150-piece Stainless Steel Hex Flange Nut Assortment is the ultimate hardware solution for DIYers, drone builders, and automotive enthusiasts. Featuring an integrated serrated base, these nuts act as a built-in washer to distribute pressure and prevent self-loosening under high vibration. Crafted from premium 304 (A2-70) Stainless Steel, this kit offers professional-grade corrosion resistance for both indoor and outdoor projects.

Key Features

Built-in Washer Design: Integrated flange increases the contact surface, eliminating the need for separate flat washers.
Self-Locking Serrations: The bottom serrated teeth "lock" into the surface to prevent loosening under intense vibration.
Premium 304 Stainless Steel: Exceptional rust and corrosion resistance for long-term durability in harsh environments.
Comprehensive M3-M12 Range: Includes 7 common metric sizes (M3 to M12) to handle everything from precision electronics to heavy machinery.
Organized Heavy-Duty Case: Ships in a partitioned, transparent plastic case for quick identification and easy transport to job sites.

Full Product Description

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.

Technical Specifications

Material: 304 Stainless Steel (A2-70)
Drive System: External Hex
Nut Type: Serrated Flange Nut
Total Quantity: 150 pieces
Metric Sizes Included: M3, M4, M5, M6, M8, M10, M12
Case Dimensions: 17.5 × 10 × 2.2 cm

Delivery Options

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.

FAQ Section

Q: Do these flange nuts require a separate washer?
A: No. The integrated flange acts as a built-in washer, simplifying your assembly and saving time.

Q: Are these suitable for outdoor use?
A: Absolutely. Being made of 304 Stainless Steel, they offer excellent protection against moisture and environmental corrosion.

Q: Can these be reused?
A: Yes, though the serrated base works best on the first application. If reused, ensure the serrations still provide adequate grip on the surface.

Target Users / Applications

STEM & Robotics: Perfect for securing motors and frames in hobbyist projects.
CCTV & Security: Reliable mounting hardware for outdoor camera brackets.
Automotive/Drone Repair: High-vibration environments where nut security is critical.
Household DIY: General repairs for furniture, appliances, and gate hardware.