Stainless Steel Metric Fasteners: Expert Solutions from Fastening Specialists

A picture of silver bolts

If you’re in the market for fastenings, you’ve likely come across the term “stainless steel metric.” But what exactly does that mean? Simply put, stainless steel metric fastenings are screws, bolts, nuts, and other types of fasteners that are made from stainless steel and measured using the metric system. This means that the dimensions of the fasteners are expressed in millimeters rather than inches.

At Fastening Specialists, we are experts in all things related to fastenings, including stainless steel metric fastenings. As a trusted wholesale distributor for over 65 years, we have the knowledge and expertise to help you find the right fasteners for your specific needs. With so many sizes, applications, and features to choose from, we understand that selecting the right fasteners can be overwhelming. That’s why we pride ourselves on providing the best in product value, insight, and code expertise to help you make the right choice. Plus, with our extensive inventory and fast order fulfillment, you can trust us to get you the fasteners you need when you need them.

History and Composition of Stainless Steel

Development of Stainless Steel

Stainless steel is a family of corrosion-resistant steels that contain iron, chromium, and other elements such as molybdenum, carbon, nickel, and nitrogen. The origins of stainless steel can be traced back to a serendipitous accident in 1913 when Harry Brearley, a metallurgist in Sheffield, England, was investigating the development of new steel alloys for use in gun barrels. He noticed that the addition of chromium to molten iron produced a metal that did not rust. Brearley’s discovery of a steel alloy with a high chromium content marked the birth of stainless steel.

Since then, stainless steel has become an essential material in a wide range of industries, including construction, automotive, aerospace, and food processing. It is known for its durability, resistance to corrosion, and aesthetic appeal.

Key Components and Grades

Stainless steel is not a single material, but rather a family of alloys that contain varying amounts of key components such as chromium, nickel, and molybdenum. The most common grades of stainless steel are austenitic, ferritic, and martensitic. Austenitic stainless steel is the most widely used and contains high levels of nickel and chromium, making it highly resistant to corrosion. Ferritic stainless steel contains less nickel and is less corrosion-resistant but is highly magnetic. Martensitic stainless steel contains high levels of carbon and is used in applications that require high strength and hardness.

Metric System Fundamentals

Understanding Metric Measurements

The metric system is a decimal-based system of measurement that is used worldwide. It is based on a set of standardized units of measurement for length, mass, and volume. The metric system is easy to use because it is based on multiples of 10. This means that it is easy to convert from one unit to another by moving the decimal point.

In the metric system, length is measured in meters (m), mass is measured in grams (g), and volume is measured in liters (L). These units are all related to each other by multiples of 10. For example, 1 meter is equal to 100 centimeters (cm), and 1 liter is equal to 1000 milliliters (mL).

When it comes to stainless steel fasteners, it is important to understand the metric measurements for the outer diameter (OD) and inner diameter (ID) of the fastener. The OD is the measurement of the outside of the fastener, while the ID is the measurement of the inside of the fastener. These measurements are important when selecting the right size fastener for your application.

Conversion and Equivalents

Converting between metric units is easy because it is based on multiples of 10. To convert from one unit to another, simply move the decimal point. For example, to convert 1 meter to centimeters, you would move the decimal point two places to the right, giving you 100 cm.

When it comes to stainless steel fasteners, it is important to know the metric equivalents for common inch sizes. For example, a 1/4 inch fastener is equivalent to a 6.35 mm fastener, and a 1/2 inch fastener is equivalent to a 12.7 mm fastener. Knowing these equivalents can help you select the right size fastener for your application.

Stainless Steel Metric Products

If you’re looking for high-quality stainless steel metric products, look no further. As a trusted wholesale distributor for over 65 years, we are specialists in this field and the people to trust for everything related to fastening.

Types of Metric Products

Our inventory of stainless steel metric products includes a wide range of sizes, styles, and shapes to meet your needs. We offer metric stainless steel round bars, metric stainless steel pipes, and metric stainless steel tube fittings, among other products.

Our stainless steel metric products come in a variety of grades, including 304 and 316 stainless steel. These grades are known for their excellent corrosion resistance, making them ideal for use in harsh environments.

Common Applications

Our stainless steel metric products are used in a wide range of industries, including:

  • Chemical processing
  • Food and beverage processing
  • Medical equipment
  • Marine applications
  • Oil and gas

Our stainless steel metric products are available in a variety of lengths, making them suitable for both small and large-scale projects. We offer fast shipping on all of our products, ensuring that you get the materials you need when you need them.

We pride ourselves on providing the best in product value, insight, code expertise, and order fulfillment. Trust the experts for all of your stainless steel metric product needs.

Measuring and Specification

When it comes to measuring and specifying stainless steel metric fasteners, there are a few key techniques and considerations to keep in mind. In this section, we’ll cover metric measurement techniques and how to read and interpret specifications.

Metric Measurement Techniques

Metric fasteners are measured using the metric system, which is based on the International System of Units (SI). The most common metric measurements used for fasteners are the outer diameter (OD), inner diameter (ID), and length.

The OD of a fastener refers to the diameter of the thread, while the ID refers to the diameter of the hole that the fastener fits into. Length is measured from the top of the head to the end of the shank.

To measure a metric fastener, you’ll need to use metric measuring tools. These may include a metric ruler or tape measure, a metric micrometer, or a metric caliper.

Reading and Interpreting Specifications

When it comes to reading and interpreting specifications for metric fasteners, it’s important to understand the different grades of stainless steel that are available. Stainless steel is graded based on its composition, with higher grades indicating a higher quality of steel.

We offer a variety of stainless steel grades, including 18-8, 304, and 316. Each of these grades has its own unique properties and is suitable for different applications.

When reading specifications for metric fasteners, you’ll also need to pay attention to the thread pitch, which is the distance between the threads on the fastener. This is typically measured in millimeters and is indicated in the specification.

Overall, when it comes to measuring and specifying stainless steel metric fasteners, it’s important to work with a trusted wholesale distributor.

Sourcing and Supply Chain

When it comes to sourcing and supply chain management for stainless steel metric fasteners, it’s important to work with reliable suppliers who can provide high-quality products at competitive prices. Selecting the right suppliers is crucial to ensuring that you have a consistent supply of inventory to meet your needs.

Selecting Suppliers

When selecting suppliers for stainless steel metric fasteners, you should consider several factors, such as the supplier’s reputation, quality of products, pricing, delivery times, and customer service. It’s important to work with experienced and trusted suppliers who can provide you with the right products at the right time.

At Fastening Specialists, we have been a trusted wholesale distributor of fasteners for over 65 years. As specialists in the field, we offer a wide range of stainless steel metric fasteners to meet your needs. Our experienced team is dedicated to providing you with the best in product value, insight, code expertise, and order fulfillment.

Inventory Management

Managing inventory is an important part of supply chain management for stainless steel metric fasteners. You need to ensure that you have enough inventory on hand to meet your customer’s needs while avoiding overstocking, which can tie up capital and lead to waste.

We offer a range of inventory management solutions to help you optimize your inventory levels and reduce costs. Our team can work with you to develop a customized inventory management plan that meets your specific needs and helps you stay ahead of the competition.

In summary, selecting the right suppliers and managing inventory effectively are key to success in the stainless steel metric fastener industry.


The team at fastening specialists provides advice and best use-cases, but always check with local building codes and engineers for correct usage instructions.