Dimensions MaterialCarbon Steel Amount of Clins4 Internal threadM8x1.25 External threadM30x2.0 Shear Engagementcontact us mm2 Length (L)30,0 Locking Depth (Z)n/a Installation Dimensions Tap Drill D128,0 Countersink D330,25 Thread D2M30x2.0 Min. Depth T34,5 Removal Dimensions Drill Diameter25.75 Drill Depthn/a Keenserts ® is a registered brand name from Note: This Clinserts ® 77304 is also available in starter kit with installation tool and refill kit