DescriptionRetention KnobsRetention knob with through-bore, JIS B 6339 45°Diameter: 11 mmGeneral notes about the seriesVersionRetention knob with through-bore, JIS B 6339 45°Technical data AZB JIS-BT30-45° JIS B 6339ID:20043221Ø D1 [mm]:11D2 [mm]:8D3 [mm]:12.5L1 [mm]:43L2 [mm]:23L3 [mm]:18Angle W [°]:45G1:M12Weight [kg]:0.027