3/4" Rods | McMaster-Carr

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System of Measurement

Diameter

Shape

Length

Material

Tolerance Rating

Performance

Hardness Rating

Mechanical Finish

Specifications Met

NACE MR0175/ISO 15156

Hardness

End Type

Retaining Ring Groove

Color

Steel Grade

1018 Low-Carbon Steel

Heat Treatment

Certificate Type

Material Certificate with Traceable Lot Number

Material Certificate with Traceable Lot Number and Test Report

Width

Fabrication

Yield Strength

10,000 psi to 19,999 psi

20,000 psi to 99,999 psi

100,000 psi to 199,999 psi

200,000 psi or greater

Shaft Type

Round with Support Rail

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

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739 Products

Raw Materials

Steel

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

60 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

17 products

Stainless Steel

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

54 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

6 products

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

16 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

10 products

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

4 products

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

12 products

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

11 products

Zinc

Draws corrosion away from nearby metal; an alternative to lead for sound barriers and vibration dampers

2 products

Molybdenum

Retains its shape and strength in extreme temperatures—all with material certificates for traceability

5 products

Cobalt

Resists impact and rapid temperature changes—all with material certificates for traceability

1 product

Plastic

A lightweight alternative to metal and glass

61 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

20 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

6 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

3 products

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

1 product

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

16 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

23 products

Graphite

Compressible or conductive for making high-temperature seals, furnace parts, and crucibles

2 products

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

6 products

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

7 products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

4 products

Power Transmission

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

118 products

Rotary Shafts

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

145 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

4 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

3 products

Ball Screw Nuts

Internal ball bearings roll on ball screws for low friction when moving components

4 products

Gear Box Shafts

Convert output drives from female to male

2 products

Fluid Handling

Corrosion-Inhibiting Rods and Pads

Protect tanks, water heaters, and heat exchangers from rust; also known as sacrificial anodes

10 products

Mixer Shafts

Replace the shaft on mixers

6 products

Fastening and Joining

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

91 products

Stick Electrodes

Flux coated for stability and speed when welding most metals

1 product

Sealing

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

1 product

Electrical Power, Networking, and Controlling

Grounding Rods

Link an electrical system to a ground

6 products

Fabricating and Machining

Tapping Head Stop Bars

Brace your tapping head's stop arm for clean, consistent threads as your tap backs out of a hole

1 product