Service announcements from Grob, Inc.

Gear Manufacturing Services

  • Inexpensive
  • Quick turn around
  • Custom broach to match all Grob Standard Splines
  • Simplify your assemblies
  • Save time and money
(read more)

Cold Forming and Cold Heading Services

When your project requires mating parts, look no further. (read more)

The Grob Rolling process increases the strength by rearranging the grain structure of the material over the entire tooth profile. The greatest amount of strength is gained near the bottom, or root area of the form where strength is most crucial. The result of the cold forming process produces a very high surface finish. Roughness average, Ra Readings of 4 micro inches have been produced (read more)

Cold Rolled Products

  • Save time & money
  • Create parts from bar stock
  • Over 1700 shapes from existing tool
  • Custom shapes tooled quickly
(read more)

Grob's bushings match perfectly to Grob splines. Each bushing is carefully manufactured to very tight tolerances in order to assure the best possible fit.

Grob's cold rolling process works with a variety of metals, including:
Stocked in 1117 Mild Steel
1117, 1215, 1045, 8620, 4140, 4150
Stainless Steel
Aluminum. (read more)

Grob spline shafts, spur gears and timing pulleys can be complimented by the Grob mating bushing. Grob's bushings match perfectly to Grob splines. Each bushing is carefully manufactured to very tight tolerances in order to assure the best possible fit. (read more)