316l Medical/Marine Grade Stainless Steel Round Wire | 0.7mm (21 AWG) 345g Spool


The 0.7mm 316L Medical/Marine Grade Stainless Steel Round Wire on a 345g spool is a versatile and durable choice for diverse applications. Its corrosion-resistant, high-quality 316L stainless steel makes it ideal for both marine and medical environments, ensuring longevity and safety.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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0.7mm 316L Stainless Steel Wire

The Crazy Wire Company are long established as Europe’s preferred suppliers of top quality 0.7mm SS316L wire. We have enormous stock levels at all times, as we use this wire to weave our marine grade woven mesh products.

The 0.7mm 316L Medical/Marine Grade Stainless Steel Round Wire, presented on a 345g spool, is an essential product for a wide range of applications where strength, corrosion resistance, and hygiene are paramount. Its high durability and corrosion resistance make it an ideal choice for marine environments and medical applications. A diameter of 0.7mm allows precise work in intricate designs while maintaining structural stability in more demanding tasks.

Due to its medical-grade quality, this wire can be used in medical implants and devices where non-reactivity and resistance to bodily fluids are crucial. Moreover, its marine-grade classification makes it ideal for use in marine hardware, boating, and coastal construction, as well as for salty, humid, and corrosive environments. The wire’s resistance to high and low temperatures makes it suitable for industrial settings, including manufacturing and engineering, where extreme conditions are common.

Specification of this product:

  • Diameter – 0.7mm (700 Micron – 21 AWG)
  • Spool Size – 345g (Approx. 80 Metres)

We also offer the SS316L grade as flat wire too if required.

Why Use The Crazy Wire Company

  1. Quality of products: The Crazy Wire Company always  offer high-quality products that meet industry standards and customer expectations.
  2. Selection: We offer a wide variety of wire products and sizes to meet the diverse needs of our customers. We have more than 600 products available through our site and counting. 
  3. Price: We always offer the best value possible. Our wires are available as part of our major weaving processes, so it is bought at the best possible rate. 
  4. Availability: Our products are kept in house and are ready to ship immediately. 
  5. Customer service: Our experienced staff help our customers feel confident in their purchases and provide assistance when required. 

What Else Is Available?

We do not only offer SS316L wire. We also have a huge range of KA1 and nichrome round wire in immediate stock too.

Ribbon wire and flat wire are stocked for immediate dispatch too.


FAQs About This Wire

Can Stainless Steel 316L 0.7mm Wire Be Painted Or Coated?

Stainless Steel 316L 0.7mm wire can be painted or coated. However, it requires specific preparation due to its smooth, non-porous surface. A degreaser or solvent must be used to thoroughly clean and remove any grease or contaminants on the wire at first. The surface must then be roughened, whether by light sanding or abrasive blasting, before the paint or coating can adhere. Providing a suitable foundation requires the application of a primer designed specifically for stainless steel, such as an epoxy primer.

The primer should then be followed by a paint or coating that is compatible with it. Often, high-quality acrylic, epoxy, and urethane paints work well. Lastly, the paint or coating must be allowed to cure fully according to the manufacturer’s instructions. A wire’s original properties, including corrosion resistance and electrical conductivity, can be changed by painting or coating it, so the choice of materials should correspond to the wire’s intended application.

What Industries Commonly Use Ss316L 0.7mm Wire?

  1. Marine Industry: Its excellent resistance to saltwater corrosion makes it ideal for use in marine applications, including boat rigging, fishing gear, and marine hardware.
  2. Medical Industry: SS316L’s biocompatibility makes it suitable for medical devices, surgical tools, and implants. Its non-reactive nature is essential for applications involving human tissue and fluids.
  3. Construction and Architecture: In construction, this wire is used for structural supports, balustrades, and decorative elements due to its strength and aesthetic appeal.
  4. Automotive Industry: The automotive sector utilises this wire for manufacturing components that require high corrosion resistance and durability under various environmental conditions.
  5. Aerospace Industry: Its resistance to extreme temperatures and strength-to-weight ratio make it a choice material for aerospace components.
  6. Jewelry Making: The 0.7mm gauge is particularly popular in jewelry making for its workability and resistance to tarnish, providing durability to intricate designs.
  7. DIY and Home Improvement: It’s commonly used by hobbyists and in home improvement projects for its versatility and ease of use.
  8. Manufacturing and Engineering: SS316L wire is used in various manufacturing processes, especially where high precision and strength are required.
  9. Chemical Industry: Its resistance to a wide range of chemicals makes it suitable for use in chemical processing equipment.
  10. Food Processing Industry: The wire’s non-toxic and corrosion-resistant properties are ideal for food processing and handling applications.


The Crazy Wire Company is a leading UK based supplier of nichromefecral, and stainless steel wires. We specialise in rapid delivery to any location around the country. Our factory is located in Warrington, which is the historic home of the UK’s wire industry.

Check out our blog ‘Everything That You Need To Know About Wire  for more information on resistance wire in general. Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers. 

We also offer similar products through our highly popular eBay store, check us out there too.