Slotted Nuts
Slotted Nuts
Slotted Nuts Manufacturer & Supplier in India
Slotted Nuts, also known as Castle Nuts, are specialized fastening components designed to be used with a cotter pin or safety wire, ensuring secure locking in high-vibration and critical load environments. These nuts are widely used in automotive suspensions, aerospace, railway systems, and structural assemblies.
High-Quality Slotted Nuts for Various Industries
At AN Fastener Supplier, we manufacture and supply premium-grade Slotted Nuts in various sizes, materials, and coatings, conforming to international standards such as ASME, DIN, ISO, BS, IS, and SAE.
Key Features of Slotted Nuts
- Slots on top enable mechanical locking with a cotter pin
- Ideal for applications where bolt loosening must be prevented
- Available in Metric and Imperial dimensions
- Made through precision hot & cold forging
- Designed for dynamic loads and critical joints
Specifications of Slotted Nuts
International Standards
ASME, DIN, ISO, BS, IS, UNI, SAE, IFI
Size Range
- Metric: M3 to M48
- Imperial: 3/8″ to 3″
Thread Types
UNC, UNF, ISO Metric, BSW, ACME
Types of Slotted Nuts
- Standard Slotted Nuts
- Castle Nuts (Extended height)
- Metric & Imperial Variants
- Fine and Coarse Thread Options
Materials Offered
- Stainless Steel: 304, 316, 321, 347, 904L
- Carbon Steel & High Tensile Grades
- Brass, Copper, Aluminium Bronze
- Nickel Alloys: Inconel, Monel, Hastelloy
- Silicon Bronze, Phosphor Bronze
- Copper Nickel, Nitronic, Nimonic
Surface Coatings & Finishes
- Hot Dip Galvanized
- PTFE Coated
- Zinc Plated (Yellow, Blue, Black)
- Nickel Plated
- Zinc Cobalt Plated
- Black Phosphate
- Aluminium Zinc Flake Coated
Applications of Slotted Nuts
- Automotive & Railways: Ideal for suspensions, axle assemblies
- Aerospace: Used in aircraft control mechanisms
- Construction: Securing structural bolts with anti-loosening measures
- Heavy Machinery: For vibration-prone fastenings
- Agricultural Equipment: Ensures mechanical integrity under shock loads
Slotted nuts offer enhanced security in assemblies where fastener loosening could lead to system failure or safety issues.
Slotted Nuts properties
| Forming | Hot & Cold Forged |
|---|---|
| Metric Size | M3 to M48 |
| Imperial size | 3/8″ to 3″ |
| Threads | UNC, UNF, ISO, BSW, ACME |
| Standards | ASME, DIN, ISO, BS, IS, UNI, SAE, IFI |
| Sub Types |
1. Fully Threaded Slotted Nuts 2. Partially Threaded Slotted Nuts 3. Metric Slotted Nuts 4. Imperial Slotted Nuts |
Why Choose AN Fasteners for Slotted Nuts?
- In-house manufacturing with strict quality control
- Bulk stock and customization as per project needs
- Trusted across construction, defense, transport, and energy sectors
- Global export capabilities with secure packaging and fast dispatch
📞 Looking for reliable Slotted Nuts in standard or custom sizes?
Contact AN Fastener Supplier today for dependable fastening solutions tailored to high-performance applications.