Mayhew Tools 66004 Hollow Punch Metric 3Mm-30Mm 16 Pc Set, Price/EA

After using many hole punches and arch punches over the years, finally splurged and bought this set so glad I did. It’s so much more than just a hole punch This set because of the stacking cutters can make washers out of soft gasket materials and other things cutter seem very sharp and hard. Haven’t even had to hit this with a hammer for most softer gasket materials a firm push of the hand and a slight twisting action is enough to cut through most materials. Also believe I could put this in a small arbor press for heavier things, and not risk beating it up by hitting it with a hammer Although this was the design it doesn’t seem to be necessary for everything I’ve thrown at it if you need to accurately cut, gaskets and make seal washers for various things in this size range this sets for you one last thing before I close this out it would be nice if there was a spring loaded pilot that could be put in the center to pick up on existing holes to enlarge them. I may even make one for this set because I like it so much but because the handle is removable, you can put a pick or probe down through the adapter to help center on a hole other than that solid all the way around

Great product well made

Works as advertised.

I like the compact size and case. It is a little pricey but the job only had one for the whole shift. So really, one cannot afford to not get one. A cheaper version was bought and it did not hold up, so it was decided to buy the same brand as the work one. No regrets.

I frequently need custom punchings, and have always resorted to buying them or awkwardly making my own with scissors. This does the job much more accurately and quickly. High quality and durable.

I tried other punches with a spring center punch to help punch concentric holes but they were inaccurate. this set, though a little pricey, is 10x better. You can't punch more than a few holes at a time without taking it apart to clean the material out of it, but for the quality difference of the final product, that minor inconvenience is worth it.