I am now stocking three sizes of Stainless Steel hollow mandrels for blowing vessels and ornaments. This is 304 seamless hardened steel. The mandrels are 12" long, and the ends are ground/beveled for a nice finish. These are the same mandrels I use. For information on using these mandrels, please view this Word Document.

NOTE: OUR MANDRELS MOVE QUICKLY!
We do our best to keep them in stock, but we do, on occasion, run out.
Check the links below to see if we have what you need.

Click on link to purchase

Mandrel Size

Price

 

 

3/32"

Five for $30

1/8"

Five for $30

1/4"

Five for $30

The links will take you to my Etsy shop

I accept PayPal, and also accept Visa, MasterCard, Discover and American Express.

If you have other questions or payment needs, please contact me before ordering at tink@blackswampglassworks.com

Instructions for using side hole drilled mandrels

THESE INSTRUCTIONS ARE FOR THOSE WHO PURCHASED SIDE HOLE DRILLED MANDRELS FROM ME DURING MY SPECIAL OFFER. THESE ARE NO LONGER AVAILABLE THROUGH ME!

To use the side hole aspect of the mandrels: Dip the mandrel in release, hold your finger over the end of the mandrel and blow through it to clear the bead release from the tiny side hole. Then just touch the open end of the mandrel to the bead release again to seal it up. Once dry, build your hollow bead in the same way you usually do, making sure your little side hole is in between the two walls of the hollow bead. Get the glass melted and smooth, then come out of the flame and blow.

Two important things: You must keep the mandrel rotating and you must keep the mandrel on the horizontal the whole time you’re working with it. These two things will help keep your blown hollow beads even and balanced with nice ends. It takes practice!

Using bead release to seal the end makes the mandrels more versatile than if the end is permanently plugged. The first couple John made me all those years ago had one end of the tubing permanently blocked. That pretty much eliminated the option of using those tubes for blowing ornaments, vessels or anything else.

To use your mandrels for blowing vessels, use the end of the mandrel without the side hole. First wrap a small piece of masking tape over the side hole. Then dip the OTHER end into your bead release and blow through the tubing to clear the end. Let dry, and use as you would normally (to make vessels or beads).

 

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