Umbra Group

Umbra can produce gears of up to 20 inches in diameter and sector gears up to 120 inches in diameter, with a maximum diametric pitch of 3.0. Furthermore, Umbra has developed special know-how in the area of case-hardened gear manufacturing which requires dedicated sheet routing for heat treatment to compensate for distortion Read more...

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Grob, Inc.

Inexpensive Quick turn around Custom broach to match all Grob Standard Splines Simplify your assemblies Save time and money Read more...

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