Grover Original Rotomatics Chrome 3x3


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Grover 3 Per Side Original Rotomatic Tuners - Chrome

These guitar machines are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. This eliminates backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Gear box has a special lubricant for lifetime, trouble-free service. Includes ⅝ in. washers, bushings and wood screws.

  • Button Type = Grover kidney shape
  • Gear ratio = 14:1
  • Post Height = 1 1/16 in. (27mm)
  • Post Diameter = 15/64 in. (6mm)
  • Peghole Requirement = 25/64 in. (10mm)
  • Bushing O.D. = Hex head 9/32 in. (7.8mm)
  • Bushing I.D. = 1/4 in. (6.3mm)
  • Collar Height = 25/64 in (10mm)
  • Collar width = 25/64 in. (10mm)
  • Model 102C

Please Note: Grover tuning machines produced prior 1985 use different specifications for threading and shaft sizing. Current production replacement parts are not interchangeable on vintage (pre-1985) Grover tuning machines.

Type: Guitar Parts