# WCS .021" Stainless Steel Safety Lock Wire | 253m (840 ft) | Corrosion-Resistant T302/304

**Brand:** WCS WIRE AND CABLE SPECIALTIES, INC.
**SKU:** euu6846
**ASIN:** B00SI7EZXU
**Canonical URL:** https://crowcrowcrow.com/p/wcs-021-stainless-steel-safety-lock-wire-t302-304-nasm20995c-ms20995c-astm-a580-condition-2/euu6846
**Subcategory:** Categories
**Availability:** in_stock
**Price (INR, all-inclusive):** ₹3,383
**Discount:** 4%
**Customer rating:** 4.88/5 from 8 ratings

## Description

WCS .021" Stainless Steel Safety Lock Wire (253m/840 ft) secures fasteners against vibration. T302/304 alloy meets NASM20995C, ASTM A580 standards. Corrosion-resistant, reliable twist performance. Ideal for aircraft, automotive, and industrial use. Arrives via 7-9 days.

## Highlights

- Specification Authority — NASM20995C/MS20995C compliant T302/304 stainless steel wire meets ASTM A580 Condition A standards for regulated aviation and industrial use, ensuring critical compliance.
- Corrosion Resistance — T302/304 stainless steel resists rust and oxidation in humid, marine, or high-temperature settings, maintaining long-term secure fastening for demanding applications.
- Reliable Twist Performance — Engineered for consistent diameter and flexibility to reduce snapping during installation, working effectively with standard safety wire pliers and clamp tools.
- Controlled Dispenser — The 1lb dispenser can allows for controlled payout and reduced tangling, supporting organized workflow for garages and professional applications.

## Key features

- SPECIFICATION & COMPLIANCE AUTHORITY: NASM20995C / MS20995C compliant stainless steel safety lock wire manufactured from T302/304 alloy and meeting ASTM A580 Condition A and AMS5697 standards for regulated aviation and industrial use.
- PROFESSIONAL GAUGE & DIAMETER RANGE: Available in multiple diameters from .020 to .063, including high-demand .032 safety wire, providing correct gauge strength with aviation-grade standards and trusted performance technicians may use for aircraft, automotive, motorsport, and industrial fasteners.
- CORROSION-RESISTANT STAINLESS STEEL: T302/304 stainless steel twisted metal safety wire resists rust and oxidation in humid, marine, outdoor, and high temperature exposed settings. Helps maintain long-term secure fastening and tension performance across demanding shop and field applications.
- RELIABLE TWIST PERFORMANCE: Engineered for consistent diameter and flexible handling to reduce snapping, brittleness, and over-twisting during installation. Works with standard safety wire clamp tool setups and aviation safety wire pliers.
- EFFICIENT DISPENSER & BULK OPTIONS: - Available in 1 lb Stainless Steel Lock Wire Convenient Dispenser for controlled pull and reduced tangling, or 5 lb bailing wire spools for high-volume operations. Supports organized workflow for garages, industrial maintenance, and professional applications, with trusted strength.

## Why choose this product

**Precision Engineering for Critical Applications** — This WCS safety lock wire is manufactured to stringent aerospace and industrial specifications like NASM20995C and ASTM A580. Unlike generic wires, its T302/304 stainless steel composition and precise diameter ensure consistent tensile strength and reliable twist performance, crucial for preventing fastener failure in high-vibration environments. This means greater operational stability for aircraft engines, automotive builds, and industrial machinery where component security is paramount.

**Ideal for Demanding Indian Environments** — This wire is suitable for professionals in India needing robust fastener security. Its corrosion-resistant T302/304 stainless steel construction handles humid coastal regions and high-temperature industrial settings effectively. While local wires may suffice for light tasks, this specification-grade option provides superior long-term reliability against vibration and environmental factors, ensuring your critical components remain secure.

## How to use

1. Ensure bolts and nuts are drilled appropriately for safety wire insertion. Select the correct wire gauge (.021" in this case) based on fastener size and application requirements. — Prepare Fasteners
2. Thread the wire through the drilled holes of adjacent fasteners. Use safety wire pliers to twist the wire evenly and securely, maintaining consistent tension without over-twisting. — Route and Twist Wire
3. Anchor the twisted wire securely to an adjacent component or fastener. Trim any excess wire carefully to prevent interference with moving parts or creating sharp edges. — Anchor and Trim

## Product details

| Field | Value |
|---|---|
| Primary Alloy | T302/304 Stainless Steel |
| Key Properties | Corrosion resistant, high tensile strength, ductile for twisting |
| Recommended Use | Securing nuts, bolts, and hardware subject to vibration in aircraft, automotive, motorsport, and industrial applications. |
| Installation | Route through drilled holes, twist evenly with safety wire pliers, anchor securely, trim excess. |
| Gauge Suitability | 0.021" (0.53mm) gauge is suitable for various fastener sizes; consult technical manuals for specific applications. |
| Cost per use | 840 ft tube at approx. 1 ft/use = 840 uses: ₹4.03 per use |
| Shelf life after opening | Indefinite when stored dry in dispenser can |
| Contraindications | Not suitable for applications requiring non-conductive materials or extreme flexibility beyond standard twisting. |
| Allergens / common irritants | Contains Nickel Metallic (California Proposition 65 warning) |
| Brand | WCS WIRE AND CABLE SPECIALTIES, INC. |
| Product Name | WCS .021" Stainless Steel Safety Lock Wire |
| Diameter | 0.021 inches (0.53 mm) |
| Length | 840 feet (253 meters) |
| Weight | 1 lb (0.45 kg) |
| Material | T302/304 Stainless Steel |
| Finish | Polished |
| Form | Coil in Dispenser Can |
| Specifications Met | NASM20995C, MS20995C, ASTM A580 Condition A, AMS5697 |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |

## Attributes

- **Item form:** Coil

## Frequently asked questions

### How to choose the right wire diameter?

Consult your project's technical manual or industry best practices for the recommended wire diameter. The .021" (0.53mm) gauge is suitable for many common fastener sizes, but thicker gauges offer more strength for larger bolts or higher tension requirements.

### Is this wire suitable for marine or coastal use in India?

Yes, the T302/304 stainless steel construction offers good corrosion resistance against rust and oxidation, making it suitable for humid, marine, and outdoor settings common in coastal India. For extreme chemical exposure, grade 316 offers superior resistance.

### What are the benefits of using safety lock wire?

Safety lock wire prevents fasteners like nuts and bolts from loosening due to vibration, thermal cycling, or mechanical stress. This reduces the risk of mechanical failure and improves the long-term operational stability of critical components in aircraft, automotive, and industrial machinery.

### Can I use this wire for general DIY or craft projects?

While designed for professional applications, this wire can be used for robust DIY projects requiring strong, corrosion-resistant fastening. Its reliable twist performance makes it manageable for tasks like securing garden structures or reinforcing components, though its primary strength lies in critical safety applications.

### How to buy an original WCS .021" Stainless Steel Safety Lock Wire in India?

Purchase directly from crowcrowcrow.com to ensure you receive an original, factory-sealed product sourced from authorized US retailers. All customs duties and GST are pre-paid and included in the listed price. Your order is shipped via ExpressBox with tracking to your Indian pincode.

### What is the difference between 304 and 316 stainless steel wire?

304 stainless wire offers strong general corrosion resistance and suits most indoor and dry applications, while 316 adds molybdenum for superior resistance in marine, coastal, and chemical environments. Choose the grade that matches your exposure conditions.

### Are there any side effects of using this wire?

The primary consideration is the presence of Nickel Metallic, which carries a California Proposition 65 warning for potential long-term exposure risks. Ensure proper handling and avoid direct prolonged skin contact, especially if you have nickel sensitivities.

## Compliance

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

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