Professional jewellery forming block with 17-degree punch and 12 collet holes, 3mm-19mm, carbon steel

Jewellery Forming Plate with 17 Degree Punch, 12 Collet Holes 3mm to 19mm, Black Carbon Steel, Jewellery Making Tool Block

£29.99
Sale price  £29.99 Regular price 
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Professional jewellery forming block with 17-degree punch and 12 collet holes, 3mm-19mm, carbon steel

Jewellery Forming Plate with 17 Degree Punch, 12 Collet Holes 3mm to 19mm, Black Carbon Steel, Jewellery Making Tool Block

£29.99
Sale price  £29.99 Regular price 
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This 17-degree forming plate and punch set precisely shapes and refines jewellery settings for a perfect fit.

What it does

This tool allows for the controlled stretching or shrinking of collets and bezels. By striking the punch into the corresponding plate hole, you gradually manipulate the metal to achieve the desired diameter and depth. The precisely machined 17-degree taper on both the holes and the punch tip ensures consistent, repeatable results without distorting the setting's shape. The robust carbon steel construction and corrosion-resistant black finish guarantee durability for daily workshop use.

How to use it

  • Select the correct hole size for your setting.
  • Position the setting over the hole and strike the punch.
  • Work metal gradually; clean punch and plate after use.

Who it's for

Essential for bench jewellers, silversmiths, and stone setters, this tool refines the process of forming settings. It's equally valuable for apprentices and students learning to create or adjust bezels and collets, replacing guesswork with precision. Pairs perfectly with your existing bench toolkit.

What's in the box

1 x Jewellery Forming Plate with 17 Degree Punch, 12 Collet Holes (3mm-19mm)

Our promise

UK-stocked at our Birmingham workshop. Same-day dispatch on orders placed before 2pm. Free UK delivery on orders over £30. 14-day returns — try it at the bench.

Out at the bench right now

Drop your email and we'll let you know the moment it's back on the shelf. No marketing — just the restock notification.

Common questions at the bench

What metal does this punch work on?
Our steel letter, number, and design punches are heat-treated to strike non-ferrous metals: silver (sterling, fine), copper, brass, bronze, aluminium, gold. Striking hardened steel will damage the face. For pewter and very soft alloys, use light strikes.
What size impression do I need?
1–2 mm for ring shanks and small pieces (initials, hallmark-style); 3–4 mm for pendant backs and signed plaques; 5 mm+ for presentation pieces and stamped jewellery components. Bigger is not always better — a clean small mark reads better than a struggle with an oversized one.
What do I strike it with?
A 1–2 lb brass mallet on a polished steel bench block. Do not use a steel hammer — it will deform the punch over time. One firm strike beats two soft ones for a clean impression.
How do I keep the punch sharp?
Polished punches stay sharp for thousands of strikes if you are hitting cleanly on a flat block. If the face starts blurring impressions, polish lightly with 600-grit emery, then a buffing mop on a polishing motor. Replace before the face deforms further.

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