Does this safety lock wire meet aviation specifications?

Yes. This wire is manufactured to meet NASM20995C and MS20995C specifications, along with ASTM A580 Condition A and AMS5697 requirements, making it suitable for aviation, automotive, and industrial applications where compliance matters.

How does safety wire prevent bolts from loosening?

Safety lock wire secures fasteners by mechanically locking them in place, preventing rotation caused by vibration. When properly installed, it maintains tension and helps reduce the risk of fastener loosening in high-stress environments.

Which gauge should I choose for my application?

.020 is typically used for small fasteners, .032 is the most common for standard aviation use, .041 and .063 are used for larger or heavy-duty applications. Choose based on fastener size and required strength.

Will the wire snap or break during installation?

No. When used correctly, this stainless steel wire is designed to twist smoothly while maintaining strength and flexibility, reducing the risk of breakage during installation.

Do I need special tools to install this wire?

For best results, the Safety Wire Pliers are recommended to achieve consistent twisting and proper tension. Standard cutters can be used to trim the wire cleanly.

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Wire and Cable Specialties MC0250-1#D 0.25" Safety Locking Wire (MS20995C25 0.63mm 1lb 1.45kg Disc) Approx 600 Feet 82m

Wire and Cable Specialties MC0250-1#D 0.25" Safety Locking Wire (MS20995C25 0.63mm 1lb 1.45kg Disc) Approx 600 Feet 82m

Product ID: 736252724

Details

Brand
WCS WIRE AND
Color
1lb (0.45kg)
Finish Type
Polished
Item Weight
454 g
Material
Stainless

📏0.25" (0.63mm) precision wire diameter

🧵Approx 600 ft (82m) continuous length

🛡️302/304 Stainless Steel strength

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Description

🔒 Lock in reliability, unlock your peace of mind.

GENEROUS LENGTH - Approx 600 feet (82 meters) per spool means fewer replacements and uninterrupted workflow.
UNMATCHED DURABILITY - Premium 302/304 stainless steel resists corrosion and wear for long-lasting security.
PRECISION ENGINEERING - 0.25" (0.63mm) wire diameter ensures optimal strength without bulk—perfect for professional-grade locking.
LIGHTWEIGHT PORTABLE - Compact 1lb spool (454g) with ergonomic design for easy handling on the go.
UNIVERSAL COMPATIBILITY - MS20995C25 fit type with screw-on lid and belt clip for seamless integration with standard locking systems.

The Wire and Cable Specialties MC0250-1#D Safety Locking Wire offers 0.25" (0.63mm) diameter stainless steel wire in a robust 600-foot spool. Engineered from corrosion-resistant 302/304 stainless steel, it features a universal MS20995C25 fit with a screw-on lid and belt clip, delivering professional-grade security in a lightweight, portable package.

Specifications

ASIN	B01FVQVJBG
Amazon Bestseller	#540,595 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #128 in Stainless Steel Wire
Brand Name	WCS WIRE AND CABLE SPECIALTIES, INC.
Color	1lb (0.45kg)
Customer Reviews	4.7 4.7 out of 5 stars (188)
Finish Type	Polished
Global Trade Identification Number	00035926000513
Grade Rating	Aerospace
Included Components	Wire
Item Diameter	0.03 Inches
Item Dimensions	7.6 x 7.1 x 8.9 cm
Item Thickness	0.03 Inches
Item Type Name	Safety Lock Wire, MS20995C25, 0.63mm, 0.45kg, Disp: Approx. 28.2 ft (82 m)
Item Weight	454 g
Manufacturer	Wire and Cable Specialties
Material	Stainless Steel
Model Number	MC0250-1#D
Number of Items	1
Part Number	MC0250-1#D
Recommended Uses For Product	For securing airplane or helicopter fasteners, securing garage fasteners, and general workshops
Tensile Strength	250 Megapascals
UPC	035926000513
Unit Count	1.0 Count
Wire Diameter	0.03 Inches

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