Dimensions MaterialCarbon Steel Amount of Clins4 Internal thread5/8-11 External thread1/2-13 Shear Engagementcontact us IN2 Length (L)0.87 Locking Depth (Z)n/a Installation Dimensions Tap Drill D10.937 Countersink D31020 Thread D21/2-13 Min. Depth T1 Removal Dimensions Drill Diameter27/32 Drill Depthn/a Keenserts ® is a registered brand name from Note: This Clinserts ® 73103 is also available in starter kit with installation tool and refill kit