Tension control with 28g wire on tiny top-drilled briolettes

ClayCallus
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Tension control with 28g wire on tiny top-drilled briolettes

Post by ClayCallus »

Been fighting with 28g dead soft fine silver all week making drop earrings with 4mm top-drilled garnet briolettes. The problem isn’t the wrap pattern — it’s tension. I either pull hard enough to keep the wraps tight, then snap the wire right at the bend where it enters the top hole, or I ease off and the coils spread apart and look sloppy. Both failures seem to happen exactly when I’ve done about ten wraps and the wire has work hardened from the handling.

Current setup:

  • dead soft 28g round fine silver
  • nylon jaw flat pliers for straightening
  • fine chain nose pliers for the first wrap
  • stone held in a ring clamp

I straighten the wire by pulling it through a folded cloth, then wrap by turning the stone with my left hand while feeding wire with my right. I anneal at the start, but not again during the wrap. Is that where I’m going wrong?

I’m specifically curious whether people are re-annealing 28g mid-wrap, and if so, how often. Also: do you use a pin vise or a third hand to hold the stone, or just fingers? I’m starting to think the ring clamp gives me no feedback and I over-tighten. Would love to hear a walkthrough of how you keep even tension on wire this fine before I scrap another dozen pairs.

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QuillAndAwl
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by QuillAndAwl »

Wait, I thought dead soft meant you don’t have to anneal it? I just tried 28g for the first time last weekend making a small wrapped pendant and snapped it twice right at the top of the loop. I was using cheap flat nose pliers from a starter kit. Do I need to buy nylon jaw pliers? Also, how do you keep the stone from flopping around while you wrap? Mine kept twisting sideways.

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PressedPetal
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by PressedPetal »

Honestly for 28g I skip the ring clamp and nylon jaws. You lose all the feel. I wrap tiny briolettes with bare fingers, maybe a little beeswax on the wire if it’s dragging. The trick for me is to pinch the wire between thumb and forefinger right at the base of the wrap and rotate only the stone, not the wire. And yeah, dead soft still work hardens fast at that gauge. If you’re doing more than a dozen wraps, you have to re-anneal or switch to 26g for the structural wrap and do a 30g decorative over it. 26g is way more forgiving for the first pass.

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GlazeWitch
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by GlazeWitch »

ClayCallus, I’d put money on the ring clamp being part of the problem. I use a wood hand vise with thick leather pads for small stones, but for 4mm briolettes I just hold the stone between my left thumb and middle finger, with the top hole facing up. That way my index finger can rest against the wire as it comes off the spool and I get direct feedback before the wire loads up.

I anneal 28g at the beginning and then again after every 8–12 wraps if I’m doing a basket or a long wrap. Fine silver doesn’t spring back much, but the point where it enters the drill hole is already a stress riser. Re-annealing is less about softening and more about resetting the accumulated stress. I use a small butane pencil torch, dull red, then air cool or quench. I also do not straighten fine silver by pulling it hard through cloth; I roll it lightly between two flat steel blocks. That keeps the wire consistently round and avoids adding more work hardening before you’ve started.

For tension, I keep the spool on a wire spinner with light drag, and wrap by rotating the stone, not walking the pliers around. If the coil spacing opens, I stop and pinch the coils together with nylon-jaw flat pliers, but I don’t use them while wrapping.

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CreaseAndFold
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by CreaseAndFold »

I’m with PressedPetal on bare fingers. Nylon jaws for wrapping always felt like trying to do fine work in oven mitts. One thing I don’t see mentioned: a little piece of masking tape on the tips of your chain nose pliers can give you better grip on fine wire without the bulk. Just don’t leave the residue on sterling.

Question for ClayCallus — are you using fine silver or sterling? You said fine silver, but if it’s actually sterling 28g, that would explain a lot. Sterling is springier and will snap quicker at the drill hole. Also, 4mm garnet is tiny; I’d probably do 26g if it has to support the earring, and use the 28g only as an accent.

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ClayCallus
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by ClayCallus »

Good points. It’s definitely fine silver, not sterling — I double-checked the spool. But after reading the replies I tested two things on scrap wire. Re-annealing every ten wraps helped a lot; I was not doing that because the wire felt soft when starting. If I kept the length short, maybe 8–10cm, and annealed often, the breaks stopped happening at the drill hole.

The bigger change was dropping the ring clamp. I held the stone in my fingers with a thin leather finger cot on my index finger and it changed the feel completely. Instead of turning the wire around the stone in space, I kept the wire fixed in my right hand and rotated the stone with my left. I also stopped clamping the wire too close to the entry hole; I feed it from about 2cm back and let it slide through my fingers, pinching only at the last second.

One caveat: if you use leather finger cots, don’t reuse them between different metals without washing or you’ll get fine scratches on soft silver. I keep a separate pair for copper. Not fully solved, but I can get through a dozen wraps consistently now.

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QuillAndAwl
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by QuillAndAwl »

That makes sense. When you re-anneal, do you just run the flame along the wire while it’s still on the stone, or do you unwind it first? I tried heating a piece with a lighter and it turned black and then snapped even faster, so I think I did something wrong. Also, do you quench fine silver? I saw one video where they said never quench silver, and another where they just dropped it in water.

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GlazeWitch
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by GlazeWitch »

QuillAndAwl — you usually can’t anneal the wire while it’s on the stone, especially not garnet. The heat will fracture a lot of stones, and if the wire is under tension it can kink as it expands. Unwind or at least take the piece out so that only the wire is heated. A lighter can work but it’s not precise and it leaves soot. Use a butane micro torch or a small alcohol lamp.

Fine silver can be quenched in water; it’s fine. I quench mostly because I’m impatient, but air cooling is okay too. The ‘never quench silver’ rule is more relevant to soldering larger pieces or when there are stones/settings that could thermal shock. For 28g fine silver wire, heat to a dull red, then drop it in clean water. If it turns black and brittle, you likely overheated it or were trying to anneal a piece that still had plastic coating or residue on it.

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PressedPetal
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Re: Tension control with 28g wire on tiny top-drilled briolettes

Post by PressedPetal »

Lighter gang here. I use a cheap Bic for 28g fine silver all the time, and I just burn off the soot with a quick dip in denatured alcohol after. Not the fanciest, but it works if you keep the wire moving and don’t let it get bright orange. The key is heating the whole area you’re about to wrap, not one tiny spot.

GlazeWitch is right about not doing it on the stone. I once ruined a small amethyst briolette that way. It didn’t crack, but the color washed out near the hole. Never again.

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