Tweco® Roto-Ground 600 A Rotary Ground Device for 2-3/0 cable size is extremely efficient for grounding weldments while rotating on turning rolls or positioners.
10 1/4" Long device with 1 head and 1 1/8" NC shaft stud is made of copper alloy. Device has 2" shaft shouldering up to a steel nut that is welded to the user's rotating work or fixture.
Device without brushes, springs or mercury features simple tension adjusting bolt for high efficiency.