Drill: D0578 Tapping Hole (Through): TTI0578 Tapping Hole (Blind): TBI0578 Broaching Tools : BT578-4 Temperature Range :
Dimensions Material4140 Alloy Amount of Clins4 Internal thread1/2-20 External thread5/8-11 Shear Engagement0.7175 Length (L)0.625 Locking Depth (Z)n/a Installation Dimensions Tap Drill D10.578 Countersink D30.635 Thread D25/8-11 Min. Depth T0.68 Removal Dimensions Drill Diameter17/32 Drill Depth3/16 Keenserts ® is a registered brand name from Note: This Clinserts ® KN820JMX is also available in starter kit with installation tool and refill kit