Precision Brand 21045 Tempered Music Wire Coil 20 Gauge

Product Description

The PRECISION BRAND 21045 is a tempered music wire coil made from high carbon steel and manufactured to ASTM A228 standards. This coil provides consistent tensile strength and spring-back characteristics suited for fabrication, repair, and maintenance applications across mechanical trades. At 20 gauge with a diameter of 0.045 inches and a total length of 185 feet, the coil delivers a substantial working supply in a single package. The tempered condition ensures the wire holds its shape under load and resists permanent deformation, making it appropriate for forming springs, safety wire runs, tie-off applications, and general mechanical assembly work.

This wire coil is used across industrial maintenance, mechanical fabrication, and field repair scenarios where reliable high carbon steel wire is required. The ASTM A228 rating confirms it meets recognized standards for music wire, making it a dependable choice for shops and field technicians who need consistent wire properties for formed-spring work, tensioning applications, or precision mechanical assembly. The 185-foot length provides enough material for extended production runs or multiple small-batch jobs without requiring frequent reordering.

Key Features

• High carbon steel construction meets ASTM A228 music wire standard
• Tempered condition provides consistent spring-back and resistance to permanent set
• 20 gauge diameter of 0.045 inches suits fine-tolerance mechanical applications
• 185-foot coil length supports extended use without mid-job restock
• Single-coil packaging with a minimum order quantity of 1

Compatibility

Designed as a general-purpose tempered music wire coil conforming to ASTM A228, suitable for use in mechanical fabrication, spring forming, and maintenance applications requiring 20 gauge high carbon steel wire.

Installation Notes

This wire is typically handled by mechanical technicians, maintenance trades, and fabrication professionals. Use appropriate wire cutters or end nippers rated for high carbon steel to avoid tool damage and ensure clean cuts. Wear cut-resistant gloves when unspooling or forming, as tempered wire ends can be sharp. Store the coil in a dry environment to prevent surface oxidation that can affect material properties over time.