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When you need to make a thread repair and someone has 'borrowed' your tap drill size chart, here is a little trick. Subtracting the pitch from the nominal thread O.D. [...]

When chucking a long workpiece in your lathe, such as bar-stock used to make custom valve guides, it's imperative to support the far end inside the spindle. Commercial spindle liners [...]

When machining threads on a lathe, a 'fishtail' is used to 'square' the tool to the part. For external threads, the fishtail's long edges are held against the O.D. of [...]

Often, a new customer will stop by saying, 'So-and-so at XYZ Garage told me to stop by and ask for the 'Free Nickel Tour.' I'm interested in having a high-performance [...]

This is an easy way to align a pulley or sprocket when drilling and tapping for a set screw on the key. Suspend the pulley (or sprocket) on a length [...]

Many shops are now using CNC machining centers with coolant tanks/sumps. With time, the coolant will grow a foul-smelling bacterium, especially during the warmer summer months. The cure for foul-smelling [...]

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' [...]

We modify small plastic bottles, purchased online, for cutting oil, tapping fluid, assembly lube, etc. We've tried bottles with dispenser tips, however those with metal 'needle tips' can scratch parts, [...]

Use 1-2-3 or 2-4-6 blocks to quickly make a fixture for milling or drilling parts at an angle. Set the angle with triangle blocks, a sine bar, or machine a [...]

For lathes without a DRO, a 2' travel dial indicator to measure carriage travel is handy. I quickly made this simple compact indicator mount clamp from two pieces of scrap [...]

When removing small dowel pins from driveshafts such as an ignition distributor drive gear or a machinery assembly, it can be awkward holding the part steady, while also holding a [...]

Here's a few rookie tips that a few old timers may have forgotten. The risk of a drill bit slipping in a Jacobs chuck, gouging the drill shank, can be [...]

I made this simple chuck support to help make changing chucks on my lathe and crank grinder much easier. Made from PVC pipe, a farm gate post bolt (or all-thread [...]

Start with a carriage bolt with a head diameter 1/4' larger than the bottom of the T-slot. Be sure the bolt's square shank fits easily into the T-slot. Chuck the [...]

Most Co-Ax indicators have a 3/8' or 1/2' diameter stem. Instead of wasting time closing the lathe chuck to hold the indicator and then more time opening it back up [...]

Occasionally, when clamping an odd-shaped pan like a cylinder head or small engine block on our Bridgeport mill, the mill table's T-slots are not always spaced for convenient clamping. To [...]

In the event you come up missing a set screw or oil galley plug and need to finish a job, one can be quickly made by threading the head of [...]

To prevent a clogged file from marring your work, try filling the file's teeth with chalk. Childrens sidewalk chalk works well for this. Should the file become clogged, a length [...]

When broaching a keyway in a relatively thin part, such as this modified gear cut from a Chevy camshaft or a narrow pulley, I use an aluminum spacer to hold [...]

When machining or lightening a flywheel on a lathe, vibration and chattering will often cause a poor surface finish. To dampen the vibrations and achieve a nice smooth finish, soak [...]

A very handy drill press clamp set can be made in about 15 minutes from 1' angle iron, two carriage head bolts (they fit the t-slots), a couple valve guides [...]

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