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Making Jewelry with the Foredom Flexshaft H.15 Hammer Handpiece

By Mica Navarro

While attempting to research jewelers’ experiences with this item, I found that there is little conversation on this piece. There are few YouTube videos that are helpful in explaining how to use a hammer hand piece (which I will link to below) but no articles or forums. Hopefully, this article will be a helpful and informative piece.

This Foredom Brand H.15 hammer hand piece is specifically made for setting stones and decorative work with a jeweler’s plight in mind. This hand piece includes an anvil point (HP10177) and a wrench for easy removal. Using rotary action, a hammering motion is achieved at a low speed (0-5,000 rpm, up to 7,500 rpm). You can adjust the strength of the hammer by turning the hand piece counter clockwise for a faster RPM and slower by turning it clockwise.

These are the many anvil points that are compatible with the H.15 Foredom Hammer Hand Piece you could purchase separately based on the project you are working on.

These are the accessories you could buy with the H.15 Foredom Hammer Hand Piece:

HP10171- Ball Nose 3/32” (2.35mm)

HP10172- Fine Point .015” (.4mm)

HP10173- Square 3/32” (2.35mm)

HP10175- Cylinder 7/32” (6mm)

HP10176- Rectangle 3/32” x 3/16” (2.35mm x 4.8mm)

HP10179- Bezel Rocker 5/16” x ¼”

HP10177- Flat Top Taper (included with H.15, H15D and H15SJ hand piece)

A-R15PT- Diamond Tip Pave Point

HP10212- Carbide Stylus

These assorted tips are very easy to change. You are given a wrench that is inserted into the piece you want to attach or detach.

*reshaping anvil points: make sure to research and add to the article.

“If anvil points are to be reshaped they must also be polished with a grinding wheel or sandpaper.”

Upon my research, many jewelers recommend that this hammer should not be used on a setting more than 5,000 rpm. This is because setting stones or etching decoration in gold or silver are delicate operations and going over 5,000 rpm is not ideal with this delicate work. It also has the potential to overheat and butcher your hand piece.

Many jewelers and hobbyists are using this hand piece in their projects for a professional finish without wasting hours. Although many people refuse to use a hand piece like this because they believe that the hammer will damage their stone, however this is not the case. If used correctly, the steel of the jewelry object should take most of the force, not the stone. So now that we know that it is relatively safe to use, let’s get into what we can do with a hammer hand piece.

Practice is pretty much the first step for tools like these. It has a little bit of a learning curve so the more you are acquainted with the tool, the better the results will be on your projects.

Many people like to use this tool with silver and gold, particularly in texturing. Softer metals are compatible with the hand piece however if you are not careful, it has the potential of exerting some amount of damage. To combat this, be sure to start off at a low RPM.

The key to texturing is control of the tool. This enables the users to apply the proper amount rolling and application of pressure in the direction the user wants. Practice on a bit of scrap metal to get your technique down that way the texturing on your project is even and consistent.

There is so much more that could be done with the Foredom H.15 Hammer Hand Piece.

Here are some YouTube videos that could help you on your jewelry making journey: