Forums Members Recent Posts Forums Members todde Activity Notifications Clear all todde @todde Newby Joined: September 15, 2015 12:49 pm Follow Profile Activity Topics: 0 / Replies: 1 AllTopicsReplies Reply As Arch says, center drilling is the tough part. Use a punch to very carefully dimple the center of the bolt. Oil the threads, then carefully drill ... 9 years ago Forum Technical Help Share: Share Tweet Share Share Share Share