---
title: "M6 Washers — £34K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/m6-washers"
last_updated: "2026-07-31T14:07:28.098Z"
locale: en
meta:
  description: "Niche score 48/100 · £34K/yr market · 44K searches/yr · £4.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · £34K/yr market · 44K searches/yr · £4.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "M6 Washers — £34K/yr Amazon UK Niche (2026) - Flapen"
---

# **m6 washers**

**Skip it**

Prices mostly outside the sweet spot ($2.94–$6.69) — this niche doesn't clear our bar today.

Market size 9Growth 42Conversion 98Competition 48Returns 97Price range 0Avg price 13Brand share 65Review moat 80Quality gap 21

**Conversion**

**Incredible****16.6%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****403.93**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****66%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****56%**

top-5 click share — leaders hold, buyers still browse

**Growth**

**Okay****+13.9%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Bad****£4.77**

avg listing price — sweet spot $15–$100

**Market size**

**Bad****£34K**

£34K/yr · 44K searches

**Price range**

**Bad****£2.94–£6.69**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, m6 washers is a £34K/yr Amazon United Kingdom market (44K searches/yr). The top 5 brands hold 66% of demand. Verdict: Skip it — 48/100.

Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **m6 washers market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£29K–£38K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**16.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#253**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**81%**</dd>

<dt>**Out of stock**</dt><dd>**10.1%**</dd>

<dt>**Avg brand age**</dt><dd>**31 months**</dd>

<dt>**Avg seller age**</dt><dd>**196 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**22 **▲rising

**Sellers**

**29**

**Top-5 brand share**

**66%**

Top 20: 98%

**Top-5 click share**

**56%**

Top 20: 96%

**Open market**

**29%**

- HOLMOL21% - AMLOOPH16% - White Hinge11% - MeHurr11% - Hexizexi8% - TERF6%

## **Top m6 washers search terms**

- **m6 washers**23K/yr+14.6%8.3% conv. - **m6 washer**5K/yr+14.3%7.4% conv. - **m6 penny washers**4K/yr+11.9%12.6% conv. - **m6 stainless steel washers**4K/yr+17.0%10.1% conv. - **m6 washers stainless steel**3K/yr+6.1%10.2% conv. - **6mm washers**3K/yr+14.9%5.3% conv. - **penny washers m6**3K/yr+15.2%7.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/m6-washers/search-terms)

## **Top m6 washers products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%£1K8%£3K12%£4K16%£6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![M6 Washers 30PCS HOLMOL M6 x 18mm Penny Washers 304 Stainless Steel Washer Metal Flat Washer for Screws and Bolts](https://m.media-amazon.com/images/I/410lfeKSnTL.jpg)**M6 Washers 30PCS HOLMOL M6 x 18mm Penny Washers 304 Stainless Steel Washer Metal Flat Washer for Screws and Bolts**HOLMOL**£4.18**4.7★553 rev](https://www.amazon.co.uk/dp/B0DDKSHJ47) [2![AMLOOPH M6 Washers M6 x 25mm A2 Stainless Steel Flat Penny Washers 20Pack](https://m.media-amazon.com/images/I/41SBQUXijIL.jpg)**AMLOOPH M6 Washers M6 x 25mm A2 Stainless Steel Flat Penny Washers 20Pack**AMLOOPH**£4.88**4.7★1,773 rev](https://www.amazon.co.uk/dp/B0B49LHJ4M) [3![50x Small Repair Penny Washers M6 x 20mm Zinc Plated Steel Wide Thick & Flat](https://m.media-amazon.com/images/I/41YZwKQIMPL.jpg)**50x Small Repair Penny Washers M6 x 20mm Zinc Plated Steel Wide Thick & Flat**White Hinge**£3.61**4.7★320 rev](https://www.amazon.co.uk/dp/B081NJ3ZGQ) [4![M6 Washers M6 x 18mm Penny Washers MeHurr (Pack of 50) A2 304 Stainless Steel Washer Flat Repair Washer Large Metal Plain Round Chrome for Screws & Bolts](https://m.media-amazon.com/images/I/41AmbcsG0tS.jpg)**M6 Washers M6 x 18mm Penny Washers MeHurr (Pack of 50) A2 304 Stainless Steel Washer Flat Repair Washer Large Metal Plain Round Chrome for Screws & Bolts**MeHurr**£6.69**4.7★664 rev](https://www.amazon.co.uk/dp/B0BGWX4T6K) [5![TERF 100 Pcs Zinc Plated Steel M6 / 6mm X 20mm Flat Repairs Penny Washers Mudguard Fender Washer 6mm Hole and 20mm Out Side Large Diameter](https://m.media-amazon.com/images/I/31Zcg6liH+L.jpg)**TERF 100 Pcs Zinc Plated Steel M6 / 6mm X 20mm Flat Repairs Penny Washers Mudguard Fender Washer 6mm Hole and 20mm Out Side Large Diameter**TERF**£5.36**4.7★644 rev](https://www.amazon.co.uk/dp/B092QTCB9B)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![M6 Washers M6 x 25mm Penny Washers Thickness 1.5mm 22 Pack Stainless Steel Washers for Screws and Bolts](https://m.media-amazon.com/images/I/4124Ht2h6IL.jpg)**M6 Washers M6 x 25mm Penny Washers Thickness 1.5mm 22 Pack Stainless Steel Washers for Screws and Bolts**Rezolite**£4.18**10 rev3mo ago](https://www.amazon.co.uk/dp/B0GX5JYM2F) [![80 Pcs M6 Washers for Bolts & Screws M6 x 25 x 1.5mm Stainless Steel Penny Washers Flat Metal WashersRound Plain Spacers Washer for Repair Home DIY](https://m.media-amazon.com/images/I/41zwkqfgBlL.jpg)**80 Pcs M6 Washers for Bolts & Screws M6 x 25 x 1.5mm Stainless Steel Penny Washers Flat Metal WashersRound Plain Spacers Washer for Repair Home DIY**LONGERSIZHAN**£5.22**4 rev3mo ago](https://www.amazon.co.uk/dp/B0GCMF5ZZY) [![msymsyu 185 Pcs Washers M6 Penny Washers 6mm x 12mm Washer for Screws Carbon Steel Flat Washer Metal Wide RoundWasher Suitable for DIY Projects and Mechanical Equipments](https://m.media-amazon.com/images/I/41eOWzzCIYL.jpg)**msymsyu 185 Pcs Washers M6 Penny Washers 6mm x 12mm Washer for Screws Carbon Steel Flat Washer Metal Wide RoundWasher Suitable for DIY Projects and Mechanical Equipments**msymsyu**£5.08**3 rev5mo ago](https://www.amazon.co.uk/dp/B0G34ZG6HF) [![Hexizexi 120Pcs M6x12mm Washers for Screws Stainless Steel Washers Silver for Screws Nuts Bolts](https://m.media-amazon.com/images/I/41uFK4BBUZL.jpg)**Hexizexi 120Pcs M6x12mm Washers for Screws Stainless Steel Washers Silver for Screws Nuts Bolts**Hexizexi**£4.06**74 rev10mo ago](https://www.amazon.co.uk/dp/B0FBRH27C2) [![Hexizexi 120Pcs M6x16mm Washers for Screws Stainless Steel Washers Silver for Screws Nuts Bolts](https://m.media-amazon.com/images/I/41uFK4BBUZL.jpg)**Hexizexi 120Pcs M6x16mm Washers for Screws Stainless Steel Washers Silver for Screws Nuts Bolts**Hexizexi**£4.58**74 rev10mo ago](https://www.amazon.co.uk/dp/B0FBRGQ541)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![80 Pcs M6 Washers for Bolts & Screws M6 x 25 x 1.5mm Stainless Steel Penny Washers Flat Metal WashersRound Plain Spacers Washer for Repair Home DIY](https://m.media-amazon.com/images/I/41zwkqfgBlL.jpg)**80 Pcs M6 Washers for Bolts & Screws M6 x 25 x 1.5mm Stainless Steel Penny Washers Flat Metal WashersRound Plain Spacers Washer for Repair Home DIY**LONGERSIZHAN**£5.22**4.7★**▲ 257%**](https://www.amazon.co.uk/dp/B0GCMF5ZZY) [![M6 Washers M6 x 25mm Penny Washers Thickness 1.5mm 22 Pack Stainless Steel Washers for Screws and Bolts](https://m.media-amazon.com/images/I/4124Ht2h6IL.jpg)**M6 Washers M6 x 25mm Penny Washers Thickness 1.5mm 22 Pack Stainless Steel Washers for Screws and Bolts**Rezolite**£4.18**4.4★**▲ 255%**](https://www.amazon.co.uk/dp/B0GX5JYM2F) [![XiaoLidm 150 Pcs Washers M6 x 18 mm Stainless Steel A2-70 304 Washers Rustproof Flat Washers for Screws & Nuts & Threaded Rod](https://m.media-amazon.com/images/I/41vgs-IsOfL.jpg)**XiaoLidm 150 Pcs Washers M6 x 18 mm Stainless Steel A2-70 304 Washers Rustproof Flat Washers for Screws & Nuts & Threaded Rod**XiaoLidm**£5.79**4.9★**▲ 255%**](https://www.amazon.co.uk/dp/B0FJ8HL1MG) [![Hexizexi 120Pcs M6x16mm Washers for Screws Stainless Steel Washers Silver for Screws Nuts Bolts](https://m.media-amazon.com/images/I/41uFK4BBUZL.jpg)**Hexizexi 120Pcs M6x16mm Washers for Screws Stainless Steel Washers Silver for Screws Nuts Bolts**Hexizexi**£4.58**4.5★**▲ 227%**](https://www.amazon.co.uk/dp/B0FBRGQ541) [![KineticKraft M6 Washers 100 Pieces M6 x 18 mm Penny Washers](https://m.media-amazon.com/images/I/41kKF5iUPQL.jpg)**KineticKraft M6 Washers 100 Pieces M6 x 18 mm Penny Washers**KineticKraft**£4.55**4.5★**▲ 185%**](https://www.amazon.co.uk/dp/B0FLJK19HF)

**~~View all trending →~~**

## **What buyers say about m6 washers**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**28%

*“they appear to be good quality stainless steel penny washers”*

**Advertised Vs Actual Product**23%

*“As expected”*

**Value For Money**20%

*“good price”*

**Size-Overall**11%

*“Correct size”*

**Durability**5%

*“durable hold in use”*

**Efficiency**5%

*“They work fine just like any other penny washer”*

**Thickness**3%

*“At 1.5mm thick, they feel robust and should provide a secure, durable hold in use”*

### **What buyers complain about **

**Value For Money**50%

*“What I can say is at 23p each they are pretty expensive”*

### **Top return reasons **

**Size-Overall**95%

**Strength**3%

**Mounting**3%

## **Common questions**

<dl>

<dt>**Is m6 washers profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £34K/yr across 27 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is +13.9%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the m6 washers niche?**</dt><dd>22 brands and 29 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 66% of demand.</dd>

<dt>**What do buyers complain about in m6 washers?**</dt><dd>Top complaints mined from reviews: Value For Money. The return rate is 0.7%.</dd>

<dt>**What does it cost to enter the m6 washers niche?**</dt><dd>Listings span £2.94–£6.69; the average listing price is £4.77 (sweet spot $15–$100). The average incumbent carries 404 reviews — the moat a new listing must climb.</dd>

</dl>

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