2mm Wire | McMaster-Carr

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.

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

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.

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

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.

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

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.

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.

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
Fabrication: 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 low-strength fasteners, pins, and axles. You can surface harden this material for added wear resistance. All have been manufactured to meet ASTM standards for quality and performance.

Cold-worked rods and discs have a finished look and quality. The cold-working process gives the steel consistent strength, hardness, and dimensions throughout.

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	Fabrication	Hardness	Max. Hardness After Heat Treatment	Specifications Met		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
2	-0.05 to 0	60,000	Cold Worked	Rockwell B70 (Medium)	Not Rated	ASTM A108	0000000	00000	00000	00000

Tight-Tolerance Low-Carbon Steel Rods

Yield Strength: Not Rated
Hardness: Not Rated
Heat Treatable: Yes
Max. Hardness After Heat Treatment: See table
Fabrication: Cold Drawn
Specifications Met: ASTM A108

These rods are precision ground and held to a strict straightness tolerance, so they're ready for turning in a lathe. Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into low-strength fasteners, pins, and axles. For added wear resistance, this material can be surface hardened with heat treating. All have been manufactured to meet ASTM A108 standards for quality and performance.

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

Dia.	Dia. Tolerance	Max. Hardness After Heat Treatment	Mechanical Finish	Straightness Tolerance		3 ft. Lg.	6 ft. Lg.
2mm	-0.013mm to 0mm	Not Rated	Precision Ground	0.012" per ft.	00000000	000000	000000

Hardened Undersized High-Speed M2 Tool Steel Rods

Yield Strength: See table
Hardness: Rockwell C60 (Very Hard)

These rods, also known as drill blanks, have an undersized diameter for machining your own 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.

Dia.	Dia. Tolerance	Drill Bit Size	Lg.	Yield Strength	Mechanical Finish	Straightness Tolerance		Each
2mm	-0.0050mm to 0.0000mm	2.0 mm	1 1/2"	261,000 psi	Precision Ground	0.012" per ft.	00000000	00000
2mm	-0.0050mm to 0.0000mm	2.0 mm	2 1/8"	Not Rated	Precision Ground	0.012" per ft.	00000000	0000
2mm	-0.0050mm to 0.0000mm	2.0 mm	3 3/8"	261,000 psi	Precision Ground	0.012" per ft.	00000000	0000

Tight-Tolerance Multipurpose Oil-Hardening O1 Tool Steel Rods

Yield Strength: 50,000 psi
Hardness: Rockwell B90 (Medium)
Heat Treatable: Yes
Maximum Hardness After Heat Treatment: Rockwell C65
Fabrication: Hot Rolled
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. It can also be surface hardened with heat treating for added wear resistance. These rods have been manufactured to meet ASTM A681 standards for performance and quality.

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	Heat Treatment	Mechanical Finish		Each
2mm	-0.013mm to 0.013mm	Annealed (Softened)	Precision Ground	00000000	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.

			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: M30
Metric sizes: Not Rated
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.

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	Not Rated	0000000	00000