CV 588-040


KOENIG EXPANDER® plugs effectively seal drilled holes. These parts feature a serrated sleeve which expands as the ball is inserted, enlarging the part to the needed size and sealing the hole. For installation, push-style expanders require a hole drilled with a counter bore.


    • Part Name
    • CV 588-040
    • d1
    • 4
    • d2 +0.10 / -0
    • 4
    • d3 Max
    • 3.3
    • l1
    • 4
    • (l2) ~ Ref.
    • 5.2
    • l3 min.
    • 3.8
    • x ±0.1
    • 0.2
    • (s) ~ Ref.
    • 1.4
    • Packaging Unit
    • 100 / 1000
    • Weight in gram/pcs.
    • 0.36

* SFC KOENIG’s North American Engineering Department utilizes 2024-T4/T6 as a test base material.

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Koenig Expander® Setting Tool Series CV
To view pressure performance information, technical downloads and other information visit the Series CV 588 page.