Hot Sale Nut with Hex Flange Slotted Carbon Steel Castle Nut - HighFasteners

Product Overview

The Hex Flange Slotted Castle Nut combines a hexagonal flange base (acting as built-in washer) with a slotted crown for cotter pin insertion. This design distributes load evenly and provides reliable anti-loosening security in high-vibration environments.

Crafted from durable carbon steel with protective finishes, it's ideal for machinery, automotive, heavy equipment, and structural assemblies requiring safe, long-term fastening.

Key Features:

Anti-Loosening Security: Slots allow cotter pin insertion to prevent nut rotation under vibration.

Load Distribution: Integrated hex flange acts as washer for even pressure and surface protection.

Corrosion Resistant: Zinc plated finish ensures durability in demanding conditions.

Technical Specifications:

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Factory Direct Price | Fast Delivery | OEM Service

Email: admin@changhua-electrical.com  |  WhatsApp: +86 181 3296 8158

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Detailed Product Gallery

Technical Drawings & Specifications

Manufacturing & Quality Control

Advanced Cold Heading Precision manufacturing.

Optical Sorting 0-PPM defects.

Lab Testing Tensile & Salt Spray.

Project References

Machinery Vibration Resistance

Automotive Secure Axle Hold

Heavy Equipment Cotter Pin Security

Frequently Asked Questions

Q: Can I get free samples?
Yes! We provide free samples for standard castle nuts. You only need to cover the shipping cost.

Q: What finishes and grades do you support?
Carbon steel zinc plated standard, grades up to 12.9. Custom options available.

Q: What certifications do you have?
We are ISO9001:2015 Certified. Every shipment comes with a Factory Quality Inspection Report.

Q: What is your delivery time?
Stock items: 3-7 days. Mass production: 20-30 days.

Q: Can you produce according to drawings?
Yes, OEM/ODM is our strength. Send us CAD drawings for a quote within 24 hours.

Q: What are your payment terms?
We generally accept T/T (30% deposit, 70% before shipment). For long-term partners, we can discuss L/C.