Boelube® is a lubricant formulated and patented by Boeing Aerospace. Use it on drill bits, reamers, saw blades and any other application where smooth cutting is required. A small amount will greatly improve tool life. 1.6oz pushup stick.
The General Automatic Center Punch is the standard in automatic center punches. It is tough enough to handle those heavy-duty metals, yet not overbearing when working with aluminum skin, or thin-walled tubing.
Size #30. 6" working length. Drill bushing type (most commonly ordered series). for drilling duplicate matching holes in overlapping sheets. Drill Guide Duplicators lets you drill directly by using the duplicator as a drill guide.