Dimensions MaterialCarbon Steel Amount of Clins4 Internal threadM8x1.25 External thread3/4-16 Shear Engagementcontact us mm2 Length (L)0.68 Locking Depth (Z)n/a Installation Dimensions Tap Drill D145/64 Countersink D30.76 Thread D23/4-16 Min. Depth T0.68 Removal Dimensions Drill Diameter21/32 Drill Depthn/a Keenserts ® is a registered brand name from Note: This Clinserts ® 73124 is also available in starter kit with installation tool and refill kit