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  • The "Big B" Jenny

    1/4" Ball Endmill



    The "Big B" Jenny is proudly American made. Designed by Woodworkers for Woodworkers in Tempe AZ. While other companies might offer similar tools, the BB has been designed to give you maximum performance and endurance to go the distance. This bit has been crowd sourced and approved by the CNC community and I'm honored to share her with you. Enjoy the new .250" "Big B" Jenny


    • Coating: Zirconium nitride (ZrN)
    • Flutes: 2
    • Shank: .250"
    • Ball Dia: .250"
    • Radius: .125"
    • Flute Length: 1.125"
    • Overall Length: 2.50"


    Feeds and Speeds:

    80-100ipm, 17k rpm, .100" step, Ramp Plunge.

    (Start here and adjust as needed. Happy Milling)


    8675309-BB "The Big B" (1/4" Ball Endmill)

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