Copper Thread | McMaster-Carr

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86 Products

About Copper, Brass & Bronze

Compare over 30 copper, brass, and bronze alloys to find the right material for you—all with material certificates for traceability.

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.

1/4 lbs. Spool
Dia.	Dia. Tolerance	Mechanical Finish	Lg., ft.		Each
0.003"	-0.0001" to 0.0001"	Polished	6,000	0000000	000000
0.005"	-0.0001" to 0.0001"	Polished	3,200	0000000	00000
0.008"	-0.0001" to 0.0001"	Polished	1,965	0000000	00000
0.01"	-0.0001" to 0.0001"	Polished	785	0000000	00000
0.012"	-0.0001" to 0.0001"	Polished	495	0000000	00000
0.016"	-0.0004" to 0.0004"	Polished	315	0000000	00000
0.02"	-0.0004" to 0.0004"	Polished	195	0000000	0000
0.025"	-0.0004" to 0.0004"	Polished	125	0000000	0000
0.032"	-0.0004" to 0.0004"	Polished	78	0000000	0000
0.04"	-0.0004" to 0.0004"	Polished	49	0000000	0000
0.051"	-0.0006" to 0.0006"	Polished	31	0000000	0000
0.064"	-0.0006" to 0.0006"	Polished	20	0000000	0000
1 lbs. Spool
0.012"	-0.0001" to 0.0001"	Polished	1,990	0000000	00000
0.016"	-0.0004" to 0.0004"	Polished	1,260	0000000	00000
0.02"	-0.0004" to 0.0004"	Polished	790	0000000	00000
0.025"	-0.0004" to 0.0004"	Polished	500	0000000	00000
0.032"	-0.0004" to 0.0004"	Polished	315	0000000	00000
0.04"	-0.0004" to 0.0004"	Polished	195	0000000	00000
0.051"	-0.0006" to 0.0006"	Polished	125	0000000	00000
0.064"	-0.0006" to 0.0006"	Polished	80	0000000	00000
5 lbs. Spool
0.012"	-0.0001" to 0.0001"	Polished	9,950	0000000	000000
0.016"	-0.0004" to 0.0004"	Polished	6,300	0000000	000000
0.02"	-0.0004" to 0.0004"	Polished	3,965	0000000	000000
0.025"	-0.0004" to 0.0004"	Polished	2,505	0000000	000000
0.032"	-0.0004" to 0.0004"	Polished	1,575	0000000	000000
0.04"	-0.0004" to 0.0004"	Polished	995	0000000	000000
0.051"	-0.0006" to 0.0006"	Polished	630	0000000	000000
0.064"	-0.0006" to 0.0006"	Polished	400	0000000	000000
15 lbs. Spool
0.012"	-0.0001" to 0.0001"	Polished	29,850	0000000	000000
0.016"	-0.0004" to 0.0004"	Polished	18,900	0000000	000000
0.02"	-0.0004" to 0.0004"	Polished	11,895	0000000	000000
0.025"	-0.0004" to 0.0004"	Polished	7,515	0000000	000000
0.032"	-0.0004" to 0.0004"	Polished	4,725	0000000	000000
0.04"	-0.0004" to 0.0004"	Polished	2,985	0000000	000000
0.051"	-0.0006" to 0.0006"	Polished	1,890	0000000	000000
0.064"	-0.0006" to 0.0006"	Polished	1,200	0000000	000000

Tin-Coated Multipurpose 110 Copper Wire

Temper Rating: Softened (Annealed)
Heat Treatable: No
Tensile Strength: 29,000 psi
Specifications Met: ASTM B33

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.

1/4 lbs. Spool
Dia.	Dia. Tolerance	Lg., ft.		Each
0.005"	-0.0001" to 0.0001"	3,200	0000000	000000
0.01"	-0.0001" to 0.0001"	785	0000000	00000
0.013"	-0.0001" to 0.0001"	495	0000000	00000
0.016"	-0.0004" to 0.0004"	315	0000000	00000
0.02"	-0.0004" to 0.0004"	195	0000000	00000
0.025"	-0.0004" to 0.0004"	125	0000000	00000
0.032"	-0.0004" to 0.0004"	78	0000000	00000
0.04"	-0.0004" to 0.0004"	49	0000000	00000
0.051"	-0.006" to 0.006"	31	0000000	00000
0.064"	-0.006" to 0.006"	20	0000000	00000
1 lbs. Spool
0.013"	-0.0001" to 0.0001"	1,990	0000000	00000
0.016"	-0.0004" to 0.0004"	1,260	0000000	00000
0.02"	-0.0004" to 0.0004"	790	0000000	00000
0.025"	-0.0004" to 0.0004"	500	0000000	00000
0.032"	-0.0004" to 0.0004"	315	0000000	00000
0.04"	-0.0004" to 0.0004"	195	0000000	00000
0.051"	-0.006" to 0.006"	125	0000000	00000
0.064"	-0.006" to 0.006"	80	0000000	00000
5 lbs. Spool
0.013"	-0.0001" to 0.0001"	9,950	0000000	000000
0.016"	-0.0004" to 0.0004"	6,300	0000000	000000
0.02"	-0.0004" to 0.0004"	3,965	0000000	000000
0.025"	-0.0004" to 0.0004"	2,505	0000000	000000
0.032"	-0.0004" to 0.0004"	1,575	0000000	000000
0.04"	-0.0004" to 0.0004"	995	0000000	000000
0.051"	-0.006" to 0.006"	630	0000000	000000
0.064"	-0.006" to 0.006"	400	0000000	000000
15 lbs. Spool
0.013"	-0.0001" to 0.0001"	29,850	0000000	000000
0.016"	-0.0004" to 0.0004"	18,900	0000000	000000
0.02"	-0.0004" to 0.0004"	11,895	0000000	000000
0.025"	-0.0004" to 0.0004"	7,515	0000000	000000
0.032"	-0.0004" to 0.0004"	4,725	0000000	000000
0.04"	-0.0004" to 0.0004"	2,985	0000000	000000
0.051"	-0.006" to 0.006"	1,890	0000000	000000
0.064"	-0.006" to 0.006"	1,200	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.

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
0.02"	-0.0003" to 0.0003"	Polished	0.00145"	250	00000000	000000	1,000	00000000	0000000
0.025"	-0.0003" to 0.0003"	Polished	0.00185"	130	00000000	00000	520	00000000	000000
0.032"	-0.0003" to 0.0003"	Polished	0.00233"	80	00000000	00000	320	00000000	000000
0.04"	-0.0003" to 0.0003"	Polished	0.00295"	50	00000000	00000	200	00000000	000000
0.051"	-0.0005" to 0.0005"	Polished	0.00375"	30	00000000	00000	120	00000000	000000
0.064"	-0.0005" to 0.0005"	Polished	0.00466"	20	00000000	00000	80	00000000	000000
0.08"	-0.0005" to 0.0005"	Polished	0.00588"	12	00000000	00000	50	00000000	000000
1/8"	-0.001" to 0.001"	Polished	0.00915"	6	00000000	00000	25	00000000	000000