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How to specify a Barrette

What to put on an RFQ for Barrette: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for BarretteTRADINOR · FIGUREWhat to lock for BarretteStoneSizeHallmarkSkin contact
Put these on the RFQ for Barrette before you compare prices.

A buyer searching for Barrette is usually trying to stop a bad substitute. Jewelry is specified by the metal, the stone treatment, the plating thickness if it is plated, and the hallmark the market requires. The notes below are selection criteria for a Barrette. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Barrette

Jewelry is specified by the metal, the stone treatment, the plating thickness if it is plated, and the hallmark the market requires. For a Barrette, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Barrette is easy to confuse with Brooch. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Barrette
Stone Material, size, and whether it is treated.
Size Ring size, length, or the adjustment.
Hallmark The mark required in the country of sale.
Skin contact Nickel or other limits the market enforces.
Metal Alloy and fineness, or the base metal under a plate.
Plating Metal and thickness, if it is not solid.

How to compare two offers

Lay both quotes for Barrette on one sheet and line up stone, size, and hallmark. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Barrette with a cheaper line that omitted stone.

Documents worth having before the deposit

Ask for the fineness or plating specification in writing. The file should name Barrette and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Describing plated goods as solid.
  • Leaving stone treatment undisclosed.
  • Ignoring nickel rules.

On a Barrette, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Barrette — State metal or plating, stone, size, and hallmark.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like IP67 belong

Searches often add a constraint to Barrette: IP67, or outdoor. Keep those on this page. IP67 is dust-tight plus a defined temporary immersion. It is not a rating for living underwater, and it says nothing about sunlight or salt. Outdoor means UV, temperature cycle, and corrosion, not only a gasket. Name the climate and the years the gasket is expected to last. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Brooch.

Questions buyers actually ask

What should an RFQ for Barrette include?

State metal or plating, stone, size, and hallmark.

Is a cheaper Barrette the same part?

Only if stone, size, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Barrette they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.