Site Map


Contact Us

Conversion Tables

Useful tools for converting to metric calculations


Conversion Tools

  • Free Metric Ruler - Print out your own free metric ruler using this specially created .pdf
  • Free Metric Conversion Application - Downloadable metric conversion calculator has been designed for your convenience! This completely FREE and easy to install application will always be right at your fingertips via a small icon on your desktop.
    You can convert metric to standard or standard to metric measurements such as length, weight, and even temperature.
  • Metric Conversion Tables- A Convenient tool that gives you the formulas for converting meric measurements, and a list of commonly used conversions in a handy printable chart.
  • Conversion Calculators- Our online verison of our metric conversion calculator. See Free Metric Conversion Application for the downloadable version.


En Espanol


  • About Us - Parker Steel stocks only metric sized metals in cold drawn rounds, hexagons, squares, and flats, TG&P shafting, chrome plated shafting, tubing in seamless and welded diameters, welded square and rectangular tubing, threaded rod, cold and hot rolled sheets and plates, shims, tees, angles, channels, beams, re-bars, and drill rod; all in millimeter sizes. Parker Steel is a business-to-business provider of metric dimensional metals.
  • Reference Guide PDF - Download our 2007/8 Metric Metals Reference Guide Free!
  • Reference Guide Form - If you would like Parker Steel to send you our Metric Metals Reference Gude, plese fill out this form and we will send it out to you immediatly.
  • Delivery Performance - We are proud to say that for the year of 2008, achieved a delivery performance of 99.9% for material sold that is in stock and shipped using Parker Steel approved carriers.
  • Request a Quote - Use this form tos end us your quote request


Metric Cold Finished Bars

Parker Steel the largest stock of Metric Cold Finished Bars in the U.S. in a variety of processes including Cold Drawn, TG&P (turned, ground and polished). In this process the bars are descaled and then reduced down to a desired size and surface finish by means of mechanically driven rolls or through a die. We carry cold finished rounds in Carbon Alloy, Tool, Copper, Stainless, Aluminum and Brass.

  • Round Bars Shafting
  • Cold Drawn Squares - Through the Cold Drawn process, a bright, clean and uniform surface is produced increasing tensile and yeild streangth as well as surface hardness and improvement in machinability.
  • Cold Drawn Hexagons - Supplies in Carbon, Alloy, Stainless, Aluminum, and Brass.
  • Cold Finished Flats - Flats and Keystock are stocked in Carbon, Alloy, Tool, and Stainless Steel, as well as Aluminum and Brass
  • Hard Chrome Plated Shafting - Available in Carbon, Alloy, and Stainless steel.
  • Threaded Rod - Our threaded rod comes in Carbon Steel, Alloy Steel, and Stainless Steel and come in coarse and fine thread. Left handed material is available upon request
  • Drill Rod

Metric Shims

We carry a large selection of metric sized shim stock in Carbon, Stainless Steel, and Brass in thicknesses from 0.05 millimeters up to 2.00 millimeters.

Metric Angles

Parker Steel Company stocks a huge vaiety of Metric Angles in Cold Drawn, and Hot Rolled finishes. We supply many sizes of equal and unequal angles in Carbon, Stainless, Brass and Aluminum.

Metric Tees

Parker Steel's large supply of metric sized structural material is available in Carbon Steel, Stainless Steel and Aluminum.

Metric Beams

Our metric sized structural material comes in Carbon Steel, Stainless Steel and Aluminum.

Metric Channels

Parker Steel supplies a large stock of metric sized structural material in Carbon Steel, Stainless Steel and Aluminum.

Metric Sheets and Plates

Stocked in Carbon, Stainless, Brass, and Aluminum

Metric Tubing

We stock metric tubing in a variety of materials such as Carbon, Stainless, Aluminum
Metric Square Tubing

Metric Rectangular Tubing

From 10x15x1.5 mm to 160x80x3.00 mm.

Metric Round Tubing

Sold in honed, seamless, hydraulic, Drawn Over Mandrel (D.O.M), and welded precision.

Metric Square Tubing

Metric Bars



Product Pages

  • Round Bars - Metric Round Bar Products
  • Hexagon bars - Metric Hexagon Bar Products
  • Square Bars - Metric Square Bar Products
  • Rectangular Bars - Metric Rectangular Bar Products
  • Threaded Rod - Metric Threaded Rod Products
  • Round Tubes - Metric Round Tube Products
  • Square Tubes - Metric Square Tube Products
  • Rectangular Tubes - Metric Rectangular Tube Products
  • Equal Angles - Metric Equal Angle Products
  • Unequal Angles - Metric Unequal Angle Products
  • Beams - Metric Beam Products
  • Channels - Metric Channel Products
  • Sheets and Plate - Metric Sheet and Plate Products
  • Shims - Metric Shim Products
  • New Products - 4140 Annealed Plate , 6061 Aluminum Plate, C274 Brass Plate, 110 Copper Plate, 430 Stainless Hex, Capillary Tubing, 4140 Modified Hex and Rounds, Chrome 6 Free Round Hydraulic Tubing, Square Telescopic Tubing, Drawn Aluminum round Bar, Nikrom Piston Rods, Precision Ground Linear Motion Shafting


  • Industry Links - Links to the steel business publications, associations, and related steel topics.
  • Steel industry News - Current daily headlines about the world of the steel industry.
  • History of the Metric System - A brief synopsis of Gabriel Mouton, the founding father of the metric system as well as a timeline, benefits, and sources for oher metric system experts.
  • Glossary - has created a helpful glossery of steel and steel related terms.
  • ISO Certification - Parker Steel is in conformance with ISO 9001-2000 Standard.