With vise grips you may be able to get a good enough grip on what's left of the bolt to remove it. Locking wrench vise grips are best suited to give you maximum grip on a hex bolt. The second best vise grip for removing a nut or bolt are straight jaw vise grips.
|Locking Wrench||Wrench||Price||Average Customer Rating||Length||Minimum Jaw Capacity||Maximum Jaw Capacity||Reviews|
|IRWIN Tools VISE-GRIP Locking Wrench #4LW||$11.54||4.6||4 in||0.25 in||0.5625 in||184|
|IRWIN VISE-GRIP Locking Wrench #10LW||$19.55||4.6||10 in||0.625 in||1.125 in||184|
|IRWIN VISE-GRIP Locking Wrench #7LW||$8.68||4.7||7 in||0.4375 in||0.75 in||9.0|
|Milwaukee 10 in. Torque Lock Straight Jaw Locking Pliers #48-22-3510||$12.97||4.6||10 in||1.75 in||132|
You can file down opposing edges of a bolt or nut so that there are 2 flat edges and then try vice grips again. This may be enough to give the vice grips enough of a bite.
|Image||Price||Reviews||Average Customer Rating|
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|$7.35||87||Property error: Expression: * Home Depot Reviews Error: #<Dentaku::ParseError: Invalid statement> Datum ID: 2509|