Split-Bolt Splices | McMaster-Carr

	For Wire Gauge For Wire Gauge

16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1/0
2/0
3/0
4/0
250 MCM
300 MCM
350 MCM
400 MCM
500 MCM
600 MCM
700 MCM
750 MCM

	For Wire Type For Wire Type

Weld Wire

Stranded

Solid

	Terminal Material Terminal Material

Copper

Aluminum

	Wire Slot Width Wire Slot Width

	For Minimum Tap Wire Gauge For Minimum Tap Wire Gauge

	For Minimum Tap Wire Type For Minimum Tap Wire Type

Solid

Stranded

	For Wire Material For Wire Material

Copper

Aluminum

	Head Width Head Width

	Specifications Met Specifications Met

CSA

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

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17 Products

Screw-Down Split-Bolt Splices

Splice large wire sizes without special tools—insert your wires and tighten the hex nut to make a connection. The hex nut can be loosened to disconnect if needed.

For Copper Wire
For Wire Gauge	For Wire Type	For Min. Tap Wire Gauge	For Min. Tap Wire Type	Wire Slot Wd.	Head Wd.	Terminal Material	Max. Voltage	Max. Temperature, °F	Specifications Met		Each
16-8	Stranded, Weld Wire	16	Stranded	0.15"	0.38"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
10-6	Solid, Weld Wire	16	Solid	0.17"	0.5"	Copper	600V	190°	UL Listed, CSA Certified	0000000	0000
8-4	Solid, Weld Wire	16	Solid	0.22"	0.56"	Copper	600V	190°	UL Listed, CSA Certified	0000000	0000
6-2	Solid, Stranded, Weld Wire	14	Stranded	0.33"	0.69"	Copper	600V	190°	UL Listed, CSA Certified	0000000	0000
6-2	Solid, Weld Wire	12	Solid	0.33"	0.69"	Copper	600V	190°	UL Listed, CSA Certified	00000000	0000
4-1/0	Solid, Stranded, Weld Wire	14	Solid	0.38"	0.75"	Copper	600V	190°	UL Listed, CSA Certified	0000000	0000
2-2/0	Solid, Stranded, Weld Wire	14	Stranded	0.42"	0.81"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
2-3/0	Solid, Stranded, Weld Wire	12	Solid	0.47"	0.88"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
1/0-250 MCM	Solid, Weld Wire	10	Solid	0.58"	1"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
4/0-350 MCM	Stranded, Weld Wire	8	Solid	0.75"	1.5"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
250-500 MCM	Weld Wire	8	Solid	0.83"	1.63"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
350-750 MCM	Weld Wire	8	Solid	1.03"	1.94"	Copper	600V	190°	UL Listed, CSA Certified	0000000	00000
For Copper and Aluminum Wire
10-6	Solid, Stranded	10	Solid	0.21"	0.56"	Aluminum	600V	190°	UL Listed, CSA Certified	0000000	0000
8-4	Solid, Stranded	10	Solid	0.26"	0.62"	Aluminum	600V	190°	UL Listed, CSA Certified	0000000	00000
6-2	Stranded	8	Stranded	0.33"	0.69"	Aluminum	600V	190°	UL Listed, CSA Certified	0000000	00000
2-2/0	Stranded	8	Stranded	0.44"	0.88"	Aluminum	600V	190°	UL Listed, CSA Certified	0000000	00000
2-4/0	Stranded	6	Stranded	0.55"	1.13"	Aluminum	600V	190°	UL Listed, CSA Certified	0000000	00000