2 3/4" Shafts | McMaster-Carr

Made with more carbon and manganese than other easy-to-machine carbon steels, 1144 carbon steel has a higher yield strength and hardness. Also known as Stressproof, these rods are stress-relieved to minimize warping during machining.

Tight-Tolerance High-Strength
Easy-to-Machine 1144 Carbon Steel Rods

These rods are precision ground and held to a strict straightness tolerance, so they're all set for turning applications in your lathe.

Tight-Tolerance Ultra-Machinable
12L14 Carbon Steel Rods

Ready for turning in a lathe, these rods are precision ground and held to a strict straightness tolerance.

Ultra-Machinable 12L14 Carbon Steel Rods

The lead additive acts as a lubricant, which allows 12L14 carbon steel to withstand very fast machining. It's used to fabricate a wide variety of machine parts.

High-Strength 1045 Carbon Steel Rods and Discs

Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for bolts, studs, and shafts.

Hardened Multipurpose 4140 Alloy Steel Rods

These rods are hardened for increased abrasion and impact resistance. Also known as chrome-moly steel, 4140 alloy steel resists fracturing from repeated stress.

Multipurpose 4140 Alloy Steel Rods and Discs

Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.

High-Strength 4340 Alloy Steel Rods

Use for power transmission and structural applications that involve extreme impact, heat, and wear.

Easy-to-Weld 4130 Alloy Steel Rods

4130 alloy steel has a low carbon content that provides good weldability. It's often used for gears, fasteners, and structural applications.

Oversized Easy-to-Machine
Gray Cast Iron Rods and Discs

An oversized diameter allows for finishing to your exact requirements.

Easy-to-Machine Impact-Resistant
Ductile Cast Iron Rods

With a high amount of ferrite, these cast iron rods are easier to machine without cracking than other impact-resistant ductile cast iron rods. Use them to create bushings, gears, pulleys, and pistons.

Tool Steel

Oversized Multipurpose Oil-Hardening
O1 Tool Steel Rods and Discs

An oversized diameter allows for finishing to your exact requirements.

Tight-Tolerance Multipurpose
Air-Hardening A2 Tool Steel Rods

Precision ground and held to a strict straightness tolerance, these rods are ready for turning in your lathe.

Oversized Multipurpose Air-Hardening
A2 Tool Steel Rods and Discs

An oversized diameter allows for finishing to your exact requirements.

Oversized Wear-Resistant D2
Tool Steel Rods and Discs

An oversized diameter allows for finishing to your exact requirements.

Oversized High-Temperature H13 Tool Steel Rods

An oversized diameter on these rods allows for finishing to your exact requirements.

Oversized Shock-Resistant
S7 Tool Steel Rods and Discs

An oversized diameter allows for finishing to your exact requirements.

Stainless Steel

Multipurpose 304 Stainless Steel

From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications.

Easy-to-Machine 303 Stainless Steel

Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools.

High-Strength 17-4 PH Stainless Steel

With a higher chromium content than 15-5 PH stainless steel, this high-strength 17-4 PH offers better corrosion resistance. It is also known as 630 stainless steel.

Hardened High-Strength 17-4 PH Stainless Steel

This material is hardened for improved strength and wear resistance.

Corrosion-Resistant 316 Stainless Steel

The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications.

Easy-to-Machine 416 Stainless Steel

One of the most machinable types of stainless steel available, 416 contains sulfur for fast machining without clogging cutting tools. It's used for gears, screws, and shafts.

Bearing-Quality 440C Stainless Steel

One of the hardest types of stainless steel after heat treating, 440C offers excellent wear and abrasion resistance. It's often used for bearings, valves, and knife blades.

Aluminum

Multipurpose 6061 Aluminum Rods and Discs

The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.

Tight-Tolerance Multipurpose
6061 Aluminum Rods and Discs

These rods and discs are precision ground to offer tighter tolerances than standard 6061 rods and discs.

High-Strength 7075 Aluminum Rods and Discs

Originally developed for aircraft frames, uses for 7075 aluminum now include keys, gears, and other high-stress parts. It is often used as a replacement for 2024 aluminum because it’s stronger and provides similar performance in all other aspects.

High-Strength 2024 Aluminum Rods and Discs

While 2024 aluminum was initially designed for structural components in aircraft, it's now widely used when a high strength-to-weight ratio is needed, such as for gears, shafts, and fasteners. It offers similar performance to 7075 aluminum, but it’s not as strong.

Easy-to-Machine 2011 Aluminum Rods

2011 has the best machinability of all the aluminum alloys. It is the most selected aluminum for screws, tube fittings, hose parts, and other items that require extensive machining.

Copper, Brass, and Bronze

Ultra-Machinable 360 Brass Rods and Discs

With the highest lead content of all the brass alloys, 360 offers the best machinability. Often called free-machining and free-cutting brass, it stands up to high-speed drilling, milling, and tapping operations with minimal wear on your tools. It’s commonly used for gears, pinions, and lock components.

Oversized 932 Bearing Bronze Rods

Diameter is oversized to allow for finishing.

Weldable 954 Bearing Bronze Rods

954 bronze contains a minimum of 10% aluminum for strength and weldability. It is also known as aluminum bronze. It's widely used for bearings, bushings, valve bodies, and worm gears.

Easy-to-Machine 936 Bearing Bronze Rods

An easier-to-machine alternative to 932 bronze, 936 also has better corrosion resistance. It's also called modified SAE 64.

Ultra-Wear-Resistant AMPCO® 18 Bearing Bronze

AMPCO® 18 is a premium aluminum-bronze alloy that combines strength with superior wear resistance.

Multipurpose 110 Copper Rods and Discs

Offering high electrical conductivity and formability, 110 copper is 99.9% pure. Also known as ETP copper, it's often used in electrical applications, such as for bus bars and wire connectors, as well as for flashing, gaskets, and rivets.

Extra High-Strength 172 Beryllium Copper Rods

Rated RWMA Class 4, 172 beryllium copper is the strongest beryllium copper alloy that is also electrically conductive and extremely wear resistant. It’s often used in inserts, die facings, and molds for plastic that need to withstand stress over repeated use.

Precision Acme Lead Screws and Nuts

Also known as single-start and self-locking lead screws and nuts, these have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest.

Multipurpose Plastic

Wear-Resistant Easy-to-Machine
Delrin® Acetal Resin Rods and Discs

Delrin® acetal resin, also known as acetal homopolymer, is stronger and stiffer than acetal copolymer.

Wear-Resistant Nylon Rods and Discs

Also known as nylon 6/6, this general purpose material is often used for bearings, gears, valve seats, and other high-wear parts.

MDS-Filled Easy-to-Machine
Wear-Resistant Cast Nylon Rods and Discs

The addition of MDS results in a nylon with exceptional wear resistance as well as self-lubricating properties.

Easy-to-Machine Wear-Resistant
Cast Nylon Rods and Discs

This cast nylon 6 material is easier to machine than other types of nylon. It’s comparable to Nylatron and Nycast.

Slippery UHMW Polyethylene Rods and Discs

In addition to a low-friction surface that prevents sticking and binding, this tough material is impact and wear resistant to handle the scuffs, scrapes, and strikes that other plastics can’t.

Antistatic Slippery UHMW Polyethylene Rods

This material suppresses static charges to prevent dust from building up.

Oil-Filled Slippery UHMW Polyethylene Rods

This oil-filled material is self-lubricating for an extra-slippery surface.

High-Strength Slippery UHMW Polyethylene Rods

Often used in high-speed, high-precision, and high-impact applications, such as conveyor rollers and bearings, these rods stand up to scratches and scuffs better than our standard UHMW polyethylene rods. Also known as Tivar HPV.

Chemical-Resistant PVC Rods and Discs

Because PVC resists many acids and alkalies, it’s widely used for tanks and in chemical-processing applications. Also known as PVC Type 1.

Impact- and Chemical-Resistant PVC Rods

Offering greater impact resistance than standard PVC Type 1 with similar chemical resistance, this PVC Type 2 is widely used for parts that are subject to shock.

High-Temperature CPVC Rods

CPVC is just as chemical resistant as standard PVC Type 1 and can handle hotter temperatures up to 200° F.

Chemical-Resistant Slippery PTFE

Chemical-Resistant Slippery PTFE Rods and Discs

Known for its naturally slippery surface, PTFE surpasses most plastics when it comes to chemical resistance and performance in extreme temperatures.

Recycled PTFE

Also called reprocessed and mechanical-grade PTFE, this material is an economical alternative to standard PTFE.

Steel

Low-Carbon Steel Rods and Discs

High-Strength Easy-to-Machine1144 Carbon Steel Rods

Tight-Tolerance High-StrengthEasy-to-Machine 1144 Carbon Steel Rods

Tight-Tolerance Ultra-Machinable12L14 Carbon Steel Rods

Ultra-Machinable 12L14 Carbon Steel Rods

High-Strength 1045 Carbon Steel Rods and Discs

Hardened Multipurpose 4140 Alloy Steel Rods

Multipurpose 4140 Alloy Steel Rods and Discs

High-Strength 4340 Alloy Steel Rods

Easy-to-Weld 4130 Alloy Steel Rods

Oversized Easy-to-MachineGray Cast Iron Rods and Discs

Easy-to-Machine Impact-ResistantDuctile Cast Iron Rods

Tool Steel

Oversized Multipurpose Oil-HardeningO1 Tool Steel Rods and Discs

Tight-Tolerance MultipurposeAir-Hardening A2 Tool Steel Rods

Oversized Multipurpose Air-HardeningA2 Tool Steel Rods and Discs

Oversized Wear-Resistant D2Tool Steel Rods and Discs

Oversized High-Temperature H13 Tool Steel Rods

Oversized Shock-ResistantS7 Tool Steel Rods and Discs

Stainless Steel

Multipurpose 304 Stainless Steel

Easy-to-Machine 303 Stainless Steel

High-Strength 17-4 PH Stainless Steel

Hardened High-Strength 17-4 PH Stainless Steel

Corrosion-Resistant 316 Stainless Steel

Easy-to-Machine 416 Stainless Steel

Bearing-Quality 440C Stainless Steel

Aluminum

Multipurpose 6061 Aluminum Rods and Discs

Tight-Tolerance Multipurpose6061 Aluminum Rods and Discs

High-Strength 7075 Aluminum Rods and Discs

High-Strength 2024 Aluminum Rods and Discs

Easy-to-Machine 2011 Aluminum Rods

Copper, Brass, and Bronze

Ultra-Machinable 360 Brass Rods and Discs

Oversized 932 Bearing Bronze Rods

Weldable 954 Bearing Bronze Rods

Easy-to-Machine 936 Bearing Bronze Rods

Ultra-Wear-Resistant AMPCO® 18 Bearing Bronze

Multipurpose 110 Copper Rods and Discs

Extra High-Strength 172 Beryllium Copper Rods

Precision Acme Lead Screws and Nuts

Precision Acme Lead Screws and Nuts

Multipurpose Plastic

Wear-Resistant Easy-to-MachineDelrin® Acetal Resin Rods and Discs

Wear-Resistant Nylon Rods and Discs

MDS-Filled Easy-to-MachineWear-Resistant Cast Nylon Rods and Discs

Easy-to-Machine Wear-ResistantCast Nylon Rods and Discs

Slippery UHMW Polyethylene Rods and Discs

Antistatic Slippery UHMW Polyethylene Rods

Oil-Filled Slippery UHMW Polyethylene Rods

High-Strength Slippery UHMW Polyethylene Rods

Chemical-Resistant PVC Rods and Discs

Impact- and Chemical-Resistant PVC Rods

High-Temperature CPVC Rods

Chemical-Resistant Slippery PTFE

Chemical-Resistant Slippery PTFE Rods and Discs

Recycled PTFE

High-Strength Easy-to-Machine
1144 Carbon Steel Rods

Tight-Tolerance High-Strength
Easy-to-Machine 1144 Carbon Steel Rods

Tight-Tolerance Ultra-Machinable
12L14 Carbon Steel Rods

Oversized Easy-to-Machine
Gray Cast Iron Rods and Discs

Easy-to-Machine Impact-Resistant
Ductile Cast Iron Rods

Oversized Multipurpose Oil-Hardening
O1 Tool Steel Rods and Discs

Tight-Tolerance Multipurpose
Air-Hardening A2 Tool Steel Rods

Oversized Multipurpose Air-Hardening
A2 Tool Steel Rods and Discs

Oversized Wear-Resistant D2
Tool Steel Rods and Discs

Oversized Shock-Resistant
S7 Tool Steel Rods and Discs

Tight-Tolerance Multipurpose
6061 Aluminum Rods and Discs

Wear-Resistant Easy-to-Machine
Delrin® Acetal Resin Rods and Discs

MDS-Filled Easy-to-Machine
Wear-Resistant Cast Nylon Rods and Discs

Easy-to-Machine Wear-Resistant
Cast Nylon Rods and Discs