Metric Steel | McMaster-Carr

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System of Measurement

Diameter

Shape

Rectangular Tube

Length

Material

Stainless Steel

Width

Thickness

0.203 mm to 0.508 mm

OD

Tolerance Rating

Mechanical Finish

Precision Ground

ID

End Type

Closed and Ground

Retaining Ring Groove

Steel Grade

1008-1010 Low-Carbon Steel

1010 Low-Carbon Steel

1018 Low-Carbon Steel

1045 Carbon Steel

A36 Low-Carbon Steel

Hardness Rating

Fabrication

Hardness

Appearance

Thread Size

Wall Thickness

Specifications Met

Federal Specification

Outside Width

Heat Treatment

Stress Relieved

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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7,177 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Fastening and Joining

Machine Key Stock

Machine Key Stock

Cut a custom length to transfer torque from shafts to components such as gears and sprockets

Machine Keys

Transmit torque from rotating shafts to gears, sprockets, and other machine parts

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Power Transmission

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

Compression Springs

Compression Springs

When squeezed, springs push back to their original length

Extension Springs

Extension Springs

As stretched, springs become increasingly harder to pull

Die Springs

Withstand heavy loads with minimal compression in high-impact jobs such as punching and stamping

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

Ball Splines

Pair with ball spline bearings for applications requiring complex, fast movements, such as robotics

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Fabricating and Machining

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Building and Machinery Hardware

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)