Split Bolts | McMaster-Carr

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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 AC	190°	UL Listed, CSA Certified	0000000	00000
10-6	Solid, Weld Wire	16	Solid	0.17"	0.5"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
8-4	Solid, Weld Wire	16	Solid	0.22"	0.56"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
6-2	Solid, Stranded, Weld Wire	14	Stranded	0.33"	0.69"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
6-2	Solid, Weld Wire	12	Solid	0.33"	0.69"	Copper	600V AC	190°	UL Listed, CSA Certified	00000000	0000
4-1/0	Solid, Stranded, Weld Wire	14	Solid	0.38"	0.75"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	0000
2-2/0	Solid, Stranded, Weld Wire	14	Stranded	0.42"	0.81"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
2-3/0	Solid, Stranded, Weld Wire	12	Solid	0.47"	0.88"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
1/0-250 MCM	Solid, Weld Wire	10	Solid	0.58"	1"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
4/0-350 MCM	Stranded, Weld Wire	8	Solid	0.75"	1.5"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
250-500 MCM	Weld Wire	8	Solid	0.83"	1.63"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
350-750 MCM	Weld Wire	8	Solid	1.03"	1.94"	Copper	600V AC	190°	UL Listed, CSA Certified	0000000	00000
For Copper and Aluminum Wire
10-6	Solid, Stranded	10	Solid	0.21"	0.56"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
8-4	Solid, Stranded	10	Solid	0.26"	0.62"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
6-2	Stranded	8	Stranded	0.33"	0.69"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
2-2/0	Stranded	8	Stranded	0.44"	0.88"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000
2-4/0	Stranded	6	Stranded	0.55"	1.13"	Aluminum	600V AC	190°	UL Listed, CSA Certified	0000000	00000