0.051" Thread | McMaster-Carr

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52 Products

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

About Aluminum

View a wire gauge conversion chart.

About Copper, Brass, and Bronze

About Stainless Steel

Spring-Back Multipurpose 304 Stainless Steel Wire

This wire bounces back after bending. Often used to construct springs and wire rope, 304 stainless steel is a good all-around choice for a wide range of applications.

PTFE-coated wire has a slippery surface, so it’s especially useful as a fish wire when navigating through confined spaces.

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.

Coils

Coil

Heat Treatment: Hardened
Tensile Strength: 205,000 psi
Specifications Met: ASTM A313, ASTM A555

				1/4 lbs. Coil			1 lbs. Coil
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	Cold Drawn	570°	36	0000000	00000	140	0000000	000000
Mirror-Like
0.051"	-0.001" to 0.001"	Cold Drawn	570°	35	00000000	00000	140	00000000	00000

1-ft. Lengths

1-ft. Length

Heat Treatment: Hardened
Tensile Strength: 205,000 psi
Specifications Met: ASTM A313, ASTM A555

					1 ft. Lg.
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Pkg. Qty.		Pkg.
Matte
0.051"	-0.001" to 0.001"	Cold Drawn	570°	100	0000000	000000
Mirror-Like
0.051"	-0.001" to 0.001"	Cold Drawn	570°	25	00000000	00000

PTFE-Coated Wire

PTFE-Coated Wire (68" Length)

Heat Treatment: Hardened
Tensile Strength: Not Rated
Specifications Met: ASTM A313

				68" Lg.
Dia.	Dia. Tolerance	Finish Color	Max. Temperature, °F		Each
0.051"	-0.0005" to 0.0005"	Gray	500°	0000000	000000

Bend-and-Stay Multipurpose 304 Stainless Steel Wire

Bend this wire and it will stay put. Frequently used as tying wire and locking wire, 304 stainless steel is a good all-around choice for a wide range of applications.

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

Round Wire—Spools, Cans, and Coils

Spool with Round Wire

Can

Coil

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 75,000 psi
Specifications Met: ASTM A580, MS20995

					Container
Dia.	Dia. Tolerance	Lg., ft.	Fabrication	Max. Temperature, °F	Net Weight, lbs.	Type		Each
Matte
0.051"	-0.001" to 0.001"	35	Cold Drawn	550°	1/4	Spool	0000000	00000
0.051"	-0.001" to 0.001"	140	Cold Drawn	550°	1	Can	0000000	00000
0.051"	-0.001" to 0.001"	715	Cold Drawn	550°	5	Spool	0000000	00000
0.051"	-0.001" to 0.001"	1,430	Cold Drawn	550°	10	Coil	0000000	000000

Round Wire—1-ft. Lengths

1-ft. Length

Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 75,000 psi
Specifications Met: ASTM A580, MS20995

					1 ft. Lg.
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Pkg. Qty.		Pkg.
Matte
0.051"	-0.001" to 0.001"	Cold Drawn	550°	50	0000000	000000

Bend-and-Stay Economical 430 Stainless Steel Wire

When bent, this wire will stay in place. Widely used as tying and locking wire, this economical wire won’t stand up as well as other stainless steel wire when used outdoors or in extreme 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.

Spools

Spool

Temper Rating: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

			1/4 lbs. Spool
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	300°	35	00000000	000000

Coils

Coil

Temper Rating: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

			1 lbs. Coil			5 lbs. Coil
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	300°	140	00000000	000000	720	00000000	0000000

1-ft. Lengths

1-ft. Length

Temper Rating: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

				1 ft. Lg.
Dia.	Dia. Tolerance	Max. Temperature, °F	Pkg. Qty.		Pkg.
Matte
0.051"	-0.001" to 0.001"	300°	25	00000000	00000

Bend-and-Stay Wear-Resistant 410 Stainless Steel Wire

Bend this wire and it will stay in place. It's commonly used as tying and locking wire. 410 stainless steel withstands wear caused by abrasion.

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

Spools

Spool

Heat Treatment: Annealed (Softened)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated, Rockwell C43
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

				1/4 lbs. Spool
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	Cold Drawn	300°	35	0000000	000000

Coils

Coil

Heat Treatment: Annealed (Softened)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated, Rockwell C43
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

				1 lbs. Coil
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	Cold Drawn	300°	140	0000000	000000

Packages

Package

Heat Treatment: Annealed (Softened)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

					1/8 lbs. Package
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Pkg. Qty.	Lg., ft.		Pkg.
Matte
0.051"	-0.001" to 0.001"	Cold Drawn	300°	15	1	0000000	000000

Bend-and-Stay Corrosion-Resistant 316 Stainless Steel Wire

Bend this wire and it will stay in place. It's widely used as tying and locking wire. Made of 316/316L stainless steel, it has less carbon than standard 316 for better weldability. The addition of molybdenum gives this material excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications.

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

Coils by Weight

Tensile Strength: 70,000 psi
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Specifications Met: ASTM A580

			1/4 lbs. Coil			1 lbs. Coil
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each
Mirror-Like
0.051"	-0.001" to 0.001"	400°	35	00000000	000000	__	000000	00
Matte
0.051"	-0.001" to 0.001"	400°	__	000000	00	143	00000000	000000

Coils by Length

Tensile Strength: 70,000 psi
Heat Treatment: Annealed (Softened)
Heat Treatable: No
Tensile Strength: 70,000 psi
Specifications Met: ASTM A580

			30 ft. Lg.
Dia.	Dia. Tolerance	Max. Temperature, °F		Each
Matte
0.051"	-0.001" to 0.001"	400°	000000000	000000

Spring-Back Corrosion-Resistant 316 Stainless Steel Wire

Heat Treatable: No
Tensile Strength: 222,000 psi
Specifications Met: ASTM A313

This wire will spring back after bending. It's often used to make springs and wire rope. The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications.

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

			1/4 lbs. Coil			1 lbs. Coil
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	570°	35	00000000	000000	140	00000000	000000

Lubricated 1080 Spring Steel Wire

Heat Treatment: Hardened
Tensile Strength: 261,000 psi
Specifications Met: ASTM A228

Also known as music wire. This wire is coated with phosphate for corrosion resistance and lubricity. Use it for bundling and as tag wire. It will spring back after bending.

1/4 lbs. Coil
Dia.	Dia. Tolerance	Heat Treatment	Temperature Range	Lg., ft.		Each
0.051"	-0.0005" to 0.0005"	Hardened	Not Rated	36	0000000	00000
1 lbs. Coil
0.051"	-0.0005" to 0.0005"	Hardened	Not Rated	140	0000000	00000
5 lbs. Coil
0.051"	-0.0005" to 0.0005"	Hardened	Not Rated	720	0000000	00000

					1 ft. Lg.
Dia.	Dia. Tolerance	Heat Treatment	Temperature Range	Pkg. Qty.		Pkg.
0.051"	-0.0005" to 0.0005"	Hardened	Not Rated	100	0000000	000000

Hard Wear-Resistant 52100 Alloy Steel Wire

Yield Strength: Not Rated
Hardness: Rockwell B95 (Medium)
Heat Treatable: Yes
Tensile Strength: 105,900 psi

Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. This wire is often used for small-diameter bearings, bushings, and punches.

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

				Container
Diameter	Diameter Tolerance	Length, ft.	Heat Treatment	Net Weight, lbs.	Type		Each
0.051"	-0.002" to 0.002"	165	Annealed (Softened)	1	Coil	00000000	000000

Easy-to-Form Nickel Chromium Alloy

Spool

Temper Rating: Softened
Tensile Strength: 100,000 psi
Specifications Met: ASTM B267, ASTM B344

Bend this wire and it will stay in place. This nickel-chromium, often called Chromel C, provides effortless formability. Use it for heating elements, resistance windings, and hot-wire cutters.

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.

1/8 lb. Spool
Dia.	Dia. Tolerance	Fabrication	Max. Temperature, °F	Electrical Resistivity	Lg., ft.		Each
Mirror-Like
0.051"	-0.00255" to 0.00255"	Cold Worked	1800°	0.262 ohms/ft	17	0000000	000000
1/4 lb. Spool
Mirror-Like
0.051"	-0.00255" to 0.00255"	Cold Worked	1800°	0.262 ohms/ft	34	0000000	00000
1 lb. Spool
Mirror-Like
0.051"	-0.00255" to 0.00255"	Cold Worked	1800°	0.262 ohms/ft	135	0000000	00000

High-Temperature 600 Nickel Wire

Can

Temper Rating: Softened (Annealed)
Tensile Strength: 80,000 psi
Specifications Met: ASTM B166

Bend this wire and it will stay in place. Able to withstand temperatures up to 1000° F, 600 nickel is often used as safety lock wire in high-temperature applications. It is comparable to Inconel 600.

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 lb. Can
Dia.	Dia. Tolerance	Lg., ft.		Each
Matte
0.051"	-0.0007" to 0.0007"	134	00000000	000000

Multipurpose 400 Nickel Wire

Spool

Temper Rating: Softened (Annealed)
Tensile Strength: 70,000 psi
Specifications Met: ASTM B164

Bend this wire and it will stay in place. It is often used as safety lock wire. From marine hardware to chemical-processing equipment, 400 nickel is widely used for its strength, weldability, and formability. Comparable to Monel, this nickel-copper alloy will stand up to highly corrosive environments, such as those involving salt water, sulfuric acid, and alkalies.

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 lbs. Spool
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each
Matte
0.051"	-0.001" to 0.001"	700°	125	0000000	0000000

Mirror-Like Multipurpose 110 Copper Wire

Spool

Temper Rating: Softened (Annealed)
Heat Treatable: No
Tensile Strength: 29,000 psi
Specifications Met: ASTM B3

This wire is polished to a mirror-like finish. Offering high electrical conductivity and formability, 110 copper is 99.9% pure. Also known as ETP copper, it's often used as grounding wire. It has a soft temper and will stay in place when bent.

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

1/4 lbs. Spool
Dia.	Dia. Tolerance	Mechanical Finish	Lg., ft.		Each
0.051"	-0.0006" to 0.0006"	Polished	31	0000000	00000
1 lbs. Spool
0.051"	-0.0006" to 0.0006"	Polished	125	0000000	00000
5 lbs. Spool
0.051"	-0.0006" to 0.0006"	Polished	630	0000000	000000
15 lbs. Spool
0.051"	-0.0006" to 0.0006"	Polished	1,890	0000000	000000

Tin-Coated Multipurpose 110 Copper Wire

Temper Rating: Softened (Annealed)
Heat Treatable: No
Tensile Strength: 29,000 psi
Specifications Met: ASTM B3

The tin coating provides a higher level of corrosion resistance and makes it easier to solder than Mirror-Like Multipurpose 110 Copper Wire. Offering high electrical conductivity and formability, 110 copper is 99.9% pure. Also known as ETP copper, it's often used as grounding wire. This wire has a soft temper and will stay in place when bent.

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

1/4 lbs. Spool
Dia.	Dia. Tolerance	Lg., ft.		Each
0.051"	-0.006" to 0.006"	31	0000000	000000
1 lbs. Spool
0.051"	-0.006" to 0.006"	125	0000000	00000
5 lbs. Spool
0.051"	-0.006" to 0.006"	630	0000000	000000
15 lbs. Spool
0.051"	-0.006" to 0.006"	1,890	0000000	000000

High-Temperature Nickel-Clad Copper

Spool

Temper Rating: Softened (Annealed)
Tensile Strength: 80,000 psi
Specifications Met: ASTM B355

This copper wire is clad in nickel to provide excellent corrosion resistance at temperatures up to 1200° F while maintaining high electrical conductivity. It has a soft temper and will stay in place when bent.

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.

				1/4 lb. Spool			1 lb. Spool
Dia.	Dia. Tolerance	Mechanical Finish	Finish Thick.	Lg., ft.		Each	Lg., ft.		Each
Mirror-Like
0.051"	-0.0005" to 0.0005"	Polished	0.00375"	30	00000000	000000	120	00000000	0000000

Ultra-Formable 260 Brass Wire

Temper Rating: Softened (Annealed)
Heat Treatable: No
Tensile Strength: 50,000 psi
Specifications Met: ASTM B134

The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. 260 brass is sometimes called cartridge brass. This wire has a soft temper and stays in place when bent.

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.

			1/4 lb. Spool			1 lb. Spool
Dia.	Dia. Tolerance	Mechanical Finish	Lg., ft.		Each	Lg., ft.		Each
Mirror-Like
0.051"	-0.008" to 0.008"	Polished	32	0000000	00000	130	0000000	000000

Easy-to-Form 1100 Aluminum Wire

Spool

1-ft. Length

Yield Strength: 3,500 psi
Hardness: Not Rated (Soft)
Temper: O
Fabrication: Cold Drawn
Specifications Met: ASTM B211

This wire has a soft temper and will stay in place when bent. Use it as tie wire and for bundling. Because 1100 aluminum is 99% pure, it offers superior formability, corrosion resistance, and electrical conductivity.

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.

						Container
Dia.	Dia. Tolerance	Lg., ft.	Heat Treatment	Max. Temperature, °F	Tensile Strength, psi	Net Weight, lbs.	Type		Each
0.051"	-0.002" to 0.002"	105	Annealed (Softened)	200°	11,000	1/4	Spool	0000000	000000
0.051"	-0.002" to 0.002"	425	Annealed (Softened)	200°	11,000	1	Spool	0000000	00000
0.051"	-0.002" to 0.002"	2,130	Annealed (Softened)	200°	11,000	5	Spool	0000000	000000

						1 ft. Lg.
Dia.	Dia. Tolerance	Heat Treatment	Max. Temperature, °F	Tensile Strength, psi	Pkg. Qty.		Pkg.
0.051"	-0.002" to 0.002"	Annealed (Softened)	200°	11,000	10	0000000	00000

Ultra-Corrosion-Resistant Grade 2 Titanium Wire

Temper Rating: Softened (Annealed)
Tensile Strength: 50,000 psi
Specifications Met: ASTM B863

Bend this wire and it will stay in place. Because Grade 2 titanium is 99% pure, it is more corrosion resistant than Grades 5 and 9 but not as strong. It has good formability and weldability. Common uses include chemical-processing equipment, heat exchangers, and marine hardware.

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.

			1/8 lb. Coil			1/4 lb. Coil
Dia.	Dia. Tolerance	Max. Temperature, °F	Lg., ft.		Each	Lg., ft.		Each
Matte
0.051"	-0.003" to 0.003"	500°	31	00000000	000000	62	00000000	0000000