National Pipe Thread Chart
Ever try tightening a pipe fitting only to have water leak out anyway? You crank on the wrench a little more, hoping brute force will … Read more
Thomas Martinez
Spindle Torque From Power Calculator
Motor ratings are turned into numbers you can actualy use in most machine work situations with this spindle torque calculator. Most of the time, it’s … Read more
Metric Thread Chart
When the bolt head slides into socket with a click, it give you a satisfying sense of confidence. That’s how we know in workshop that … Read more
Npt Pipe Thread Chart
If you’ve ever been in a hardware store staring down a wall of threaded fittings, then you know what I’m talking about. Why won’t that … Read more
Effective Cutting Diameter Ball Nose Calculator
The first time out with a ball nose cutter you might notice a ridge on the mold core. It’s running at the nominal diameter and … Read more
Npt Thread Sizes Chart
National Pipe Taper or NPT design have the threads increase in size as you move further from end of pipe. In contrast, bolt threads is … Read more
Radial Chip Thinning Calculator
Radial chip thinning will either make or break your tool. If you program a certain chip load and you take a light radial cut, the … Read more
Bolt Grades Chart
Bolts are bolts…at least that’s what many folks think. They have heads, they have threads, they have nuts with threads that spin on them, so … Read more
Axial Chip Thinning Calculator
What is it? This axial chip thinning calculator calculates corrected chip load, true chip thickness, feed multiplier, material removal rate, and cutting speed. It uses … Read more
Porter-Cable 20V Battery Charging Guide + Full Charge Times
Remove the Porter-Cable 20V MAX pack from whatever tool it’s in. Check charge level of the pack if it has a charge-level gauge. Set a … Read more
Surface Roughness Ra to Rz Calculator
A bearing will run cool. A hydraulic valve will seal. An aerospace part make it through its first flight. You’d expect all these functions is … Read more
Plastic Pipe Sizes Chart
White PVC or gray pipe: That’s what you’re standing in front of. A wall, a leak, and two pipes that seem alike. It doesn’t matter, … Read more
Abrasive Belt Surface Speed Calculator
This abrasive belt surface speed calculator determines SFPM and m/min. It also calculates the belt pass rate, driven wheel RPM, material speed match, and heat … Read more
Pipe Fill Chart
Chances are good you’ve been in some dingy mechanical room looking at a jumble of fat copper wires that seem like they’ll never fit into … Read more