A SIMPLE REMINDER Even well-regarded brand name dial indicators typically have a +/- accuracy equal to 1X to 2X their resolution and can read +/- 0.0005" after 2 to 3+ revolutions. For example, a Mitutoyo 0.5" range, 0.0001" resolution indicator has a factory stated...

EASY MOUNTING When I need to mill something that's hard to set-up and hold, I use this 19" 3"x4" 3/8" thick angle iron. I just bolt on the head, ex manifold or whatever won't work out on the machine's mounting plate. I'll mill slots for even more universal mounting if...

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...