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Slot punching is inherently hard on tools and replacing them means forging and heat treating a new
one from scratch. Moreover, a different punch is needed for every size hole you want to make. Issue 153 features a
punch holder designed with these problems in mind, and it can be made with materials you probably
have laying around the shop. |
| Our feature titled "Slot Punching Made Easy" shows how to accuratly punch holes by first drilling
guide holes at the ends of the slot. |
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Rounding out the issue are tips on how to avoid trouble when slot punching. Included are ways
to finish the stock around the hole, how to straighten a bar that has gone out of alignment and
how to accurately start the punch. |
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