2mm Rods | McMaster-Carr

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Elongation Elongation

10%

	Heat Treatable Heat Treatable

Yes

	Flexibility Flexibility

	Rigid

	Specifications Met Specifications Met

27 Products

About Copper, Brass, and Bronze

About Shafts

About Stainless Steel

About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

About Tool Steel

About Composites

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. It maintains its corrosion resistance in temperatures up to 1500° F.

If you don't see the rod size you're looking for, please specify a length under additional 304/304L stainless steel rod lengths.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

304 Stainless Steel Rods

Yield Strength: 30,000 psi
Hardness: Rockwell B80 (Medium)
Heat Treatment: Annealed (Softened)
Heat Treatable: No

Dia., mm	Dia. Tolerance, mm	Fabrication	Straightness Tolerance		1 1/2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2	-0.043 to 0	Cold Worked	1 mm per 1 m	0000000	00000	00000	000000

Tight-Tolerance Multipurpose 304 Stainless Steel

This material has tighter tolerances than standard 304 stainless steel. From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications. It maintains its corrosion resistance in temperatures up to 1500° F.

Rods are precision ground and straightened, so they’re ready for turning in your lathe.

Steel that meets ASTM or SAE specifications complies with standards for materials.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Yield Strength: See Table
Hardness: See Table
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: See Table

Dia.	Dia. Tolerance	Yield Strength, psi	Fabrication	Hardness	Specifications Met	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	-0.0127mm to 0.0127mm	25,000	Cold Worked	Rockwell B80 (Medium)	ASTM A276, ASTM A479, SAE AMS-QQ-S-763, SAE AMS5639	Not Rated	0000000	00000	000000	000000

Easy-to-Machine 303 Stainless Steel

Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools. It maintains its corrosion resistance in temperatures up to 1500° F.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Yield Strength: 25,000 psi
Hardness:
Inch Sizes: Rockwell B77 (Medium)
Metric Sizes: Rockwell B85 (Medium)
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met:
Inch Sizes: ASTM A582
Metric Sizes: EN 10088-3

Metric
Dia.	Fabrication	Straightness Tolerance	Dia. Tolerance		1 ft. Lg.	1 1/2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	Cold Drawn	1 mm	-0.025mm to 0mm	0000000	00000	00000	00000	000000

Tight-Tolerance Easy-to-Machine 303 Stainless Steel

This material has tighter tolerances than standard 303 stainless steel. Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools. It maintains its corrosion resistance in temperatures up to 1500° F.

Rods are precision ground and held to a strict straightness tolerance, so they are ready for turning in a lathe.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Yield Strength: 35,000 psi
Hardness: See Table
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A582, SAE AMS5640

Dia.	Dia. Tolerance	Fabrication	Hardness	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	-0.0127mm to 0.0127mm	Cold Worked	Rockwell B85 (Medium)	1/8" per 6 ft.	000000	00000	000000	000000

Tight-Tolerance High-Strength 17-4 PH Stainless Steel

Each piece is precision ground to offer tighter tolerances than standard 17-4 PH stainless steel. With a higher chromium content than 15-5 PH stainless steel, this high-strength material offers better corrosion resistance. It's also known as 630 stainless steel. It maintains its corrosion resistance in temperatures up to 1100° F.

Rods are held to a strict diameter tolerance, so they’re ready for turning in your lathe.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Yield Strength: 118,000 psi
Hardness: See table
Heat Treatment: Annealed (Softened)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C47
Specifications Met: ASTM A564

Dia.	Dia. Tolerance	Fabrication	Hardness	Straightness Tolerance	Magnetic Properties		1/2 ft. Lg.	1 ft. Lg.	2 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	-0.013mm to 0mm	Cold Worked	Rockwell C28 (Hard)	1/16" per ft.	Magnetic	0000000	00000	000000	000000	000000	000000

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. It maintains its corrosion resistance up to the maximum temperature.

If you don’t see the rod size you’re looking for, please specify a length under additional rod lengths.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Yield Strength:
Inch Sizes: 30,000 psi
Metric Sizes: 29,000 psi
Hardness:
Inch Sizes: Rockwell B75 (Medium)
Metric Sizes: Rockwell B80 (Medium)
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met:
Inch Sizes: ASTM A276

316 Stainless Steel
Dia.	Dia. Tolerance	Fabrication	Max. Temp., °F	Straightness Tolerance		1 ft. Lg.	1 1/2 ft. Lg.	3 ft. Lg.
Metric
2mm	-0.025mm to 0mm	Cold Drawn	1500°	1 mm	0000000	00000	000000	000000

Tight-Tolerance Corrosion-Resistant 316 Stainless Steel

This material is precision ground to offer tighter tolerances than standard 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. It maintains its corrosion resistance in temperatures up to 1500° F.

Rods are held to a strict straightness tolerance, so they’re all set for turning in your lathe.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Yield Strength: 30,000 psi
Hardness: Rockwell B75 (Medium)
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A276, SAE AMS5648

316 Stainless Steel
Dia.	Dia. Tolerance	Fabrication	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	-0.0127mm to 0.0127mm	Cold Worked	1/8" per 6 ft.	0000000	000000	000000	000000

Low-Carbon Steel Rods and Discs

Yield Strength: See table
Hardness: See table
Heat Treatable: Yes
Max. Hardness After Heat Treatment: See table
Specifications Met: See table

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.

If you don't see the size you're looking for, please specify a length under additional rod lengths.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia., mm	Dia. Tolerance, mm	Yield Strength, psi	Hardness	Max. Hardness After Heat Treatment	Specifications Met		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2	-0.05 to 0	60,000	Rockwell B85 (Medium)	Not Rated	ASTM A108	0000000	00000	00000	00000

Tight-Tolerance Ultra-Machinable 12L14 Carbon Steel Rods

Yield Strength: 65,000 psi
Hardness: Rockwell B80 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C65
Specifications Met: ASTM A108

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

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance	Mechanical Finish	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	-0.012mm to 0mm	Precision Ground	1/16" per 3 ft.	00000000	00000	00000	000000

Tight-Tolerance Multipurpose 4140 Alloy Steel Rods

Yield Strength: 60,000 psi
Hardness: Rockwell B90 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C60
Specifications Met: ASTM A108

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

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance	Heat Treatment	Mechanical Finish	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2mm	-0.013mm to 0mm	Annealed (Softened)	Precision Ground	1/16" per 3 ft.	0000000	00000	000000	000000

Hardened Undersized High-Speed M2 Tool Steel Rods

Yield Strength: Not Rated
Hardness: Rockwell C60 (Very Hard)

These rods, also known as drill blanks, have an undersized diameter for machining your own jobbers'-length drill bits. They're hardened for increased abrasion and impact resistance. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance	Drill Bit Size	Lg.	Mechanical Finish	Straightness Tolerance		Each
2mm	-0.0050mm to 0.0000mm	2.0 mm	2 1/8"	Precision Ground	0.012" per ft.	00000000	00000

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. They’re also known as drill rod. A2 tool steel is more wear resistant than O1 and it keeps a sharper cutting edge. This air-hardening material is widely used for punches, broaches, and dies.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Metric Rods

Yield Strength: 55,000 psi
Hardness: Rockwell B90 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C62
Specifications Met: ASTM A681

Dia., mm	Dia. Tolerance, mm	Heat Treatment	Mechanical Finish	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2	-0.025 to 0.025	Annealed (Softened)	Precision Ground	0.0125" per ft.	0000000	00000	00000	000000

Tight-Tolerance Multipurpose Oil-Hardening O1 Tool Steel Rods

Yield Strength: 50,000 psi
Hardness: Rockwell B90 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment:
Inch sizes: Rockwell C65
Metric sizes: Rockwell C62
Specifications Met: ASTM A681

Ready for turning in a lathe, these rods are precision ground to a tight diameter tolerance. They’re also known as drill rod. Often used for dies, punches, and gauges, O1 tool steel is an oil-hardening material that resists wear and abrasion.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

			3 ft. Lg.
Dia.	Dia. Tolerance	Mechanical Finish
2mm	-0.013mm to 0.013mm	Precision Ground	00000000

Ultra-Machinable 360 Brass Rods and Discs

Yield Strength:
Inch sizes: 15,000 psi
Metric sizes: 23,000 psi
Hardness: See table
Temper:
Inch sizes: H02 (1/2 Hard)
Metric sizes: 1/2 Hard
Heat Treatable: No
Specifications Met:
Inch sizes: ASTM B16
Metric sizes: European Standard EN 12164

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.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

			1 m Lg.
Dia., mm	Dia. Tolerance Range, mm	Hardness		Each
2	-0.05 to 0.05	Rockwell B75 (Medium)	0000000	00000

Ultra-Formable 260 Brass Rods

Yield Strength:
Inch sizes: Not Rated
Metric sizes: 9,000 psi
Hardness: Not Rated
Temper: H01 (1/4 Hard)
Heat Treatable: No
Specifications Met: ASTM B134

The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. Sometimes called cartridge brass, it's commonly used for ammunition casings, radiator components, and decorative door hardware.

For technical drawings and 3-D models, click on a part number.

			300 mm Lg.
Dia., mm	Dia. Tolerance Range, mm	Pkg. Qty.		Pkg.
2	-0.051 to 0.051	4	00000000	00000

Easy-to-Machine Architectural 385 Brass Rods

Yield Strength:
Inch sizes: 16,000 psi
Metric sizes: 21,000 psi
Hardness:
Inch sizes: Rockwell B40 (Soft)
Metric sizes: Rockwell B55 (Soft)
Temper:
Inch sizes: H02 (1/2 Hard)
Metric sizes: 1/2 Hard
Heat Treatable: No
Specifications Met:
Inch sizes: ASTM B455
Metric Sizes: European Standard EN 12164

Often called architectural bronze, 385 brass is easy to machine and has excellent formability when heated. It is typically used for handrails, ornamental trim, and hardware, such as hinges and lock bodies.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

			1 m Lg.
Dia., mm	Dia. Tolerance Range, mm	Straightness Tolerance		Each
2	-0.05	.4 mm per 400 mm	0000000	00000

Linear Motion Shafts

Smooth, hard, and wear resistant, linear motion shafts work with linear bearings to reduce friction in manual and automated systems, such as those found in packing, machine tool, and material handling operations. The smooth surface reduces friction and wear on the bearing—the lower the microinch value a shaft has, the smoother its finish and the less friction it will create. All are turned, ground, and polished to tight diameter and straightness tolerances.

Stainless steel shafts are more corrosion resistant than steel shafts; however, they’re not as hard as steel shafts and can be more difficult to machine. 17-4 PH stainless steel shafts have excellent corrosion resistance and high yield strength to support heavy loads.

Hardened shafts are heat treated for increased wear resistance.

For technical drawings and 3-D models, click on a part number.

Metric—17-4 PH Stainless Steel

2 mm Dia. (Tolerance: -0.005 mm to 0 mm)
Lg., mm	Lg. Tolerance, mm	Straightness Tolerance	Surface Smoothness, microinch	Edge Type	Hardness Rating	Hardness	Heat Treatment	Yield Strength, psi		Each
300	-0.25 to 0.25	Not Rated	10	Straight	Hard	Rockwell C40	Hardened	170,000	0000000	000000
600	-0.25 to 0.25	Not Rated	10	Straight	Hard	Rockwell C40	Hardened	170,000	0000000	00000
900	-0.25 to 0.25	Not Rated	10	Straight	Hard	Rockwell C40	Hardened	170,000	0000000	00000

Rotary Shafts

Combine these general purpose drive shafts with gears, sprockets, and bearings to transmit rotary motion. All are precision ground to meet tight diameter and straightness tolerances.

Stainless steel shafts are more corrosion resistant than steel shafts but also more difficult to machine. 316 stainless steel shafts have excellent corrosion resistance.

Shafts with chamfered edges have their edges ground to reduce damage to bearings, housings, and other components during installation.

For technical drawings and 3-D models, click on a part number.

Metric—316 Stainless Steel
Lg.	Lg. Tolerance	Straightness Tolerance	Edge Type	Hardness Rating	Hardness	Yield Strength, psi		Each
2mm Dia. (Tolerance: -0.005mm to 0mm)
200mm	-0.25mm to 0.25mm	Not Rated	Chamfered	Medium	Rockwell B83	42,000	0000000	000000
400mm	-0.25mm to 0.25mm	Not Rated	Chamfered	Medium	Rockwell B83	42,000	0000000	00000
600mm	-0.25mm to 0.25mm	Not Rated	Chamfered	Medium	Rockwell B83	42,000	0000000	00000
800mm	-0.25mm to 0.25mm	Not Rated	Chamfered	Medium	Rockwell B83	42,000	0000000	00000

Multipurpose Flame-Retardant Garolite G-10/FR4 Rods

Color: See Table
Temperature Range: -100° F to 245° F
Tensile Strength: 35,000-50,000 psi (Excellent)
Impact Strength: 5.5-12 ft.-lbs./in. (Excellent)
Hardness: Rockwell M115 (Extra Hard)
For Use Outdoors: Yes
Specifications Met: MIL-I-24768/27, UL 94 V-0

Made of a flame-retardant epoxy resin with fiberglass fabric reinforcement, these G-10/FR4 rods are a good all-around choice. They are strong, machinable, and electrically insulating. Garolite G-10/FR4 is also called epoxy-grade industrial laminate and phenolic.

For technical drawings and 3-D models, click on a part number.

Rods

Green
Dia.	Dia. Tolerance		1 ft. Lg.	4 ft. Lg.
2mm	-0.026mm to 0.026mm	00000000	00000	000000

Ultra-High-Temperature Quartz Glass Rods and Discs

Color: Clear
Max. Temperature: 2100° F
Fabrication: Annealed

Able to withstand temperatures up to 2100° F, this quartz glass is useful in high-temperature applications that also require optical clarity, such as high-intensity lighting, fiber-optic production, and optical lens systems. It provides excellent UV transmission, as well as high transmission in the visible and infrared ranges.

For technical drawings and 3-D models, click on a part number.

Rods

				12" Lg.
Dia., mm	Dia. Tolerance, mm	Edge Fabrication	Lg. Tolerance		Each
2	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000

Borosilicate Glass Rods and Discs

Color: Clear
Max. Temperature: 445° F
Fabrication: Annealed

Also called Pyrex and Schott glass, this glass resists clouding and pitting and is highly chemical and heat resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature.

Also Available: Other disc sizes. Please select 8477K98 and specify the diameter and length.

For technical drawings and 3-D models, click on a part number.

Rods

				12" Lg.		24" Lg.
Diameter	Diameter Tolerance	Edge Fabrication	Specifications Met		Each		Each
Metric
2mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	000000	00000	000000	00000