Keylocking Stud Installation Tool

Watch this video, then refer to the chart for the properly sized drill, tap and installation tool. Drill with a standard tap drill and countersink with a standard 82° – 100° countersink. Tap the new threads with a standard tap. Screw in the stud end until it is .010-.030 below the surface. Keys locate the proper depth. Drive keys down with several hammer taps on the proper installation tool.

Watch the Video
“Keylocking Stud Installation”
Acme Part No.Stud End Thread
Size Class 2A
(Mod Minor Dia.)
Tap Drill Size
0.003 -0.001
Tap Drill
Hole Tolerance
C'Sink Dia.
+.010 -.000
Removal
Drill Size
Removal
Drill Depth
Quote
Request
220-0728905/16-18.272.004/-.001.3237/321/8
220-0728913/8-16.332.004/-.001.3859/321/8
220-0728937/16-14.397.004/-.001.44711/323/16
220-0728951/2-13.453.004/-.001.51013/323/16
220-0728979/16-12.516.005/-.001.57215/323/16
220-0728995/8-11.578.005/-.001.63517/323/16
220-07290111/16-11.641.005/-.001.70019/323/16
220-07290313/16-16.766.005/-.001.82223/323/16
220-0729057/8-14.828.005/-.001.88525/323/16
220-0729071-1/8-121.062.005/-.0011.14531/325/16
220-0729091-1/4-121.187.005/-.0011.2701-3/325/16
220-0729111-3/8-121.312.005/-.0011.3951-7/325/16
220-0728685/16-18.272.004/-.001.3237/325/32
220-0728703/8-16.332.004/-.001.3859/323/16
220-0728727/16-14.397.004/-.001.44711/323/16
220-0728741/2-13.453.004/-.001.51013/323/16
220-0728769/16-12.516.005/-.001.57215/323/16
220-0728785/8-11.578.005/-.001.63517/323/16