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Penetrating oil or heat is effective on rusted or chemically.Center punch before drilling to shock bolt.The hex end of the Drill-Out® into the vise and back theĬollet/extractor off the drill head. Using an adjustable wrench turn the collet/extractorĬlockwise and remove the Drill-Out®. To remove Drill-Out® from broken bolt, firmly tightenīroken bolt in a vise.You may have to drill and tap new threads. Situation arises, remove Drill-Out® tool by turning clockwise. On the casting or you may be in an impossible situation. Have drilled off center, and the Drill-Out® tool is biting If you get a lot of resistance when using a wrench, you may.Turn counterĬlockwise to remove the broken bolt. Use a wrench on the square collet/extractor head. Look to see if you have drilled exactly on center.
Leave Drill-Out® lodged into the bolt and remove tool from If drill stalls during extraction, hand removal is possible.The collet/extractor automatically engages and extracts the.Into the hole while applying pressure toward the broken bolt. Bring drill speed to suggested RPMs, see Figure 3, and plunge.Hold electrical drill firmly with both hands.Advance the collet/extractor five turns from the drill chuck.Clean out chips from hole and use penetrating oil to help.Stop drilling just before you reach the front of the collet/extractor.ĭO NOT let collet/extractor touch the end of the bolt.Verify each time that you are drilling on Stop every 1/16" or 2mm in depth to clean out chipsĪnd add cutting oil.If so, thread collet/extractor back towards chuck. Do notĪllow collet/extractor to move down towards tip while drilling. To the axis of the broken bolt and continue drilling. With the hole started ON CENTER, hold the drill parallel.THE MOST IMPORTANT STEP IN EXTRACTING A BROKEN BOLT IS TO Not centered, simply angle the drill toward the center of theīroken bolt and drill until the point of the drilled hole is Sure that you are at the center of the broken bolt. With the hole started, stop and observe making absolutely.When drilling, never let the drill tip revolve against the Place the tip of the Drill-Out® on the center of theīroken bolt and begin drilling at the suggested RPMs, see Figureġ.Thread collet/extractor back against the drill chuck. The drill chuck and tighten at all three points with the chuck Attach only the hex end of the Drill-Out® securely into.We recommendģ/8" variable speed electric drill. Is 1/4" or 6mm use the 1/4"-M6 Drill-Out. Measure the diameter of the broken bolt to determine the.Obtain a variable speed reversible power drill and set it.
USE PROTECTIVE EYE WEAR WHEN WORKING WITH CUTTING TOOLS. How the Drill-Out works ( Regular Drill-out)
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