LUG STUD DRILL GUIDE I made this drill guide to quickly center existing lug stud holes when upgrading to larger lug studs in axles. To begin, the round bar needs to be approximately 2" long, and approximately 1/4" larger in diameter than the drill bit's size. Drill...

CLEANING 3-JAW CHUCKS This is a quick & easy way to clean 3-jaw crankshaft grinder and lathe chuck scrolls. - Make a stubby chuck key driver for use in a cordless drill; quickly remove the jaws. - Insert a toothbrush in one of the jaw slots, then run the...

OIL BOTTLE We modify small plastic bottles, purchased on-line, for cutting oil, tapping fluid, assembly lube, etc.  We've tried bottles with dispenser tips, however those with metal "needle tips" can scratch parts, while the plastic tips are usually too short, or...

MINI PROTRACTOR Sometimes a machinist's protractor is too cumbersome in cramped spaces to compare angled surfaces on a part. A feeler gauge set works very well as a protractor in tight spots. Modify the gauge by adding a screw and nut to lock it in position. Tom...

HEIGHT GAUGE Checking and calibrating your installed height gauges is something that should be done occasionally. If the height is off, simply reference mark where the scale ring needs to be, heat, remove and reinstall in the correct position. Ron Flood Cedar Machine...

LATHE EFFICIENCY To boost efficiency on a job using a manual lathe, making custom valve cover nuts, we set up a center drill in a separate tail-stock chuck. Swapping the two chuck/drill is much faster and less work than swapping drill bits in and out of a single...