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DescriptionRetention KnobsRetention knob with through-hole DIN ISO 7388-3 form JDDiameter: 11 mmGeneral notes about the seriesVersionRetention knob with through-hole DIN ISO 7388-3 form JDTechnical data AZB JIS-BT30-30° MAS 403ID:23003012Ø D1 [mm]:11D2 [mm]:7D3 [mm]:12.5L1 [mm]:43L2 [mm]:23L3 [mm]:18Angle W [°]:30G1:M12Weight [kg]:0.053