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Earring Posts Stainless Steel, 500Pcs Hypoallergenic Flat Pad Earring Studs (4mm, 6mm) with Butterfly and Rubber Bullet Backs Review (2026)

Updated September 14, 2026 · Research-based review

Our verdict

This 500 piece set of stainless steel earring posts in 4mm and 6mm pads gives resin and clay earring makers two clearly stated sizes with both butterfly and rubber bullet backs included. It is a strong value pick for small to medium cabochons, though the pads are too small for larger flat backed designs.

Earring Posts Stainless Steel, 500Pcs Hypoallergenic Flat Pad Earring Studs (4mm, 6mm) with Butterfly and Rubber Bullet Backs

500Pcs hypoallergenic stainless steel flat pad earring studs in 4mm and 6mm with butterfly and bullet backs.

Price range: See on Amazon

What we liked

  • + 4mm and 6mm pads fit small and medium cabochons
  • + Butterfly and rubber bullet backs cover different preferences
  • + 500 pieces is a strong supply for resin or clay stud earrings

Trade-offs

  • - Pads too small for large polymer clay or resin designs
  • - Glue choice matters, as poor glue lets decorations pop off

Who this two size post set fits

This set is aimed at makers working with small to medium sized flat backed decorations such as resin cabochons, polymer clay toppers or flat rhinestones, since it offers two clearly stated pad sizes of 4mm and 6mm. With 500 pieces total, it supports a large production run without running short mid batch, which matters for sellers restocking a popular stud earring style regularly. The stainless steel build carries a hypoallergenic claim, useful for customers who react to base metal posts, and both butterfly and rubber bullet backs are included so a seller can offer either option. It is not the right choice for anyone working with larger cabochons or pendant style stud toppers, since neither 4mm nor 6mm pads have the surface area to support bigger, heavier decorations securely.

What the two pad sizes and dual backs offer

The 4mm pads suit tiny decorations like small gems, miniature charms or delicate flat designs, while the 6mm pads step up to handle slightly larger cabochons, small florals or medium resin pieces, giving makers some flexibility within one purchase. Both sizes come from the same stainless steel build, which resists rust and keeps its shape through repeated wear better than softer plated metals. The included butterfly backs give the familiar clutch closure most buyers expect, while the rubber bullet backs offer a softer, sometimes more secure alternative for active wearers. Having a stated size range, rather than an unlisted pad diameter, is a meaningful advantage for makers who need predictable results when gluing decorations at scale, since guesswork on pad size can lead to wasted materials.

Getting good results with resin and clay designs

Because these posts are sized for small to medium decorations, matching the glue amount to the pad size matters more here than with larger posts, since too much adhesive can seep out around a small 4mm pad and show at the edges of a finished piece. A strong jewelry specific adhesive designed for metal to resin bonds gives the most secure hold, and letting each piece cure fully before handling prevents toppers from shifting or popping off later. Sorting the two pad sizes and two back styles into separate containers before an assembly session speeds up production, especially when running a batch that mixes both 4mm and 6mm designs. Stainless steel posts need little ongoing care beyond standard jewelry cleaning.

Comparing against other earring post sets

Against the 450 piece silver only set that does not list a specific pad diameter, this VERACT set has a clear advantage for makers who need predictable sizing for their glue on designs. Compared with Craftdady's 400 piece set spanning 8 sizes from 3mm up to 14mm, this two size set trades broad size variety for a larger quantity within the two most commonly used stud sizes, which suits makers who already know 4mm and 6mm cover most of their designs. All three sets land close in overall score, so the right pick depends on whether a maker values a stated size, size variety, or overall piece count more.

Verdict and who should size up instead

Earning its our score of 8.6 out of 10, this set is a smart choice for makers focused on small and medium glue on stud earrings who want dependable sizing and two back styles in one order. It is a poor match for anyone making larger statement stud earrings, since the 6mm maximum pad size will not support bigger cabochons or pendant style toppers without risking a weak bond. Buyers who need a wider size range for mixed projects should look at an 8 size set instead, accepting fewer pieces per size in exchange for covering both very small and much larger decorations.

Frequently asked questions

What pad sizes are included in this set?

The set includes two stated pad sizes, 4mm and 6mm, giving options for small and medium flat backed decorations.

Are these posts hypoallergenic?

Yes, the listing describes the stainless steel posts as hypoallergenic, which suits customers sensitive to base metals.

What earring backs come with this set?

Both butterfly clutch backs and rubber bullet backs are included, giving two closure options for finished earrings.

Can I use these posts for larger cabochons?

The 4mm and 6mm pads are sized for small to medium decorations, so larger cabochons or pendant style toppers need a bigger post.

Prices change often, so check the current price and availability on Amazon.

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