m3
Skip itPrices mostly outside the sweet spot ($1.89–$9.06) — this niche doesn't clear our bar today.
Returns
Great1.5%return rate — above 5% kills the launch gate
Brand share
Great54%top-5 brand share — no brand owns this niche
Review moat
Great428.71avg incumbent reviews — the moat a new listing must climb
Competition
Good40%top-5 click share — leaders hold, buyers still browse
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-16.5%90-day search growth — must beat 0% to launch
Avg price
Bad£5.84avg listing price — sweet spot $15–$100
Market size
Bad£50K£50K/yr · 125K searches
Price range
Bad£1.89–£9.06cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, m3 is a £50K/yr Amazon United Kingdom market (125K searches/yr). The top 5 brands hold 54% of demand. Verdict: Skip it — 48/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
m3 market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £35K–£47K
- units × avg price
- Conversion rate
- 6.8%
- Avg BSR
- #138
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 4.9%
- Avg brand age
- 30 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.Brands
27 rising
Sellers
29
Top-5 brand share
54%
Top 20: 94%
Top-5 click share
40%
Top 20: 81%
Open market
41%
- BATENGKEJI24%
- RUGLAMZHIP12%
- Vwoqiy7%
- HAOCHEN6%
- YOUYIDUN5%
- JinZeYou5%
Demand
Weekly Amazon search volume, last 25 weeks — -16.5% search growth over the last 90 days.Top m3 search terms
- m3 screws47K/yr
- m3 bolts26K/yr
- m3 nuts and bolts21K/yr
- m3 bolts and nuts3K/yr
- m3 bolt4K/yr
- m3 screw4K/yr
Top m3 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
450 Pcs M3 Bolts and Nuts Set M3 Nuts and Bolts Set Round Head Hexagon Socket Screws and Washers Black Hex Socket Button Head Cap Machine Screws Kit
BATENGKEJI£5.014.6★819 rev
500 Pcs M3 Bolts and Nuts Set M3 Nuts and Bolts Set Hex Bolts Set Black Machine Screws Bolts Nuts Fastener Assortment Kit
RUGLAMZHIP£5.424.4★87 rev
Vwoqiy 870 Pcs M3 Screws Set Pan Head Machine Screws Bolts and Nuts and Washers Assortment Kit Assorted Galvanized Round Head Cross Pan Head Screws Bolts and Nuts Sets(silvery 870)
Vwoqiy£6.624.6★2,018 rev
1051 Pcs M3 Screws Set M3 Bolts and Nuts Set Countersunk Nuts and Bolts Flat Head Machine Screws and Washers Hex Socket Head Cap Screw Assortment with Wrench
BATENGKEJI£6.384.6★574 rev
440 Pcs M3 Bolts and Nuts Set Hex Socket Button Head Cap Screws Assortment Kit Stainless Steel Replacement Machine Fastener Screws Bolts Nuts Sets
HAOCHEN£6.634.6★2,703 rev
Newest
by launch date
Lukaisen M3 Screws Set 652PCS Stainless Steel Flat Head Bolts Nuts Kit
LuKaiSen£5.133 rev
1065 Pcs M3X4/6/8/10/12/16/20/30/35 Bolts and Nuts Set Round Head Hexagon Socket Screws with Washers Black Hex Socket Button Head Cap Machine Screws Kit for DIY Home Improvement & Maintenance
Jiahezhi£8.046 rev
Moqinai 750 Pcs M3 Screw Set Black Carbon Steel Button Head Hex Socket Screws and Nuts Kit Machine Screws with Washers Precision Small Thread Fasteners for DIY Electronics Furniture & Repairs
Moqinai£5.503 rev
Okeno Select 1280 Pcs M3 Screw Assortment Kit Hex Socket Cap Head Machine Screws with Nuts & Washers Stainless Steel Threaded Bolts Set for DIY Furniture Mechanical Repair
Okeno Select£6.0411 rev
YOOPIN 680PCS Nuts and Bolts Set M3/M4/M5 Phillips Round Head Screws Nuts and Washers Carbon Steel Hex Nut and Bolt Assortment Set for DIY Projects Furniture Installation and Parts Fixing
YOOPIN£6.2395 rev
Trending
90-day click momentumLukaisen M3 Screws Set 652PCS Stainless Steel Flat Head Bolts Nuts Kit
LuKaiSen£5.133.5★
80 Pcs M3 Screw Assortment Set Hex Socket Head Cap Screws Bolts and Nuts and Washers Assortment Kit Includes 20 x M3x20 Socket Head Cap Screws 20 Nuts 20 Washers & 20 Spring Washers
ZerDans£3.074.4★
1160 Pcs M3 Nuts and Bolts Set Hex Socket Head Cap Screws Bolts and Nuts Set Stainless Steel Machine Screws Bolts Set Assorted Nuts and Bolts with Lock & Flat Washers Assortment for DIY Repair
SZSLMY£6.184.6★
Okeno Select 1280 Pcs M3 Screw Assortment Kit Hex Socket Cap Head Machine Screws with Nuts & Washers Stainless Steel Threaded Bolts Set for DIY Furniture Mechanical Repair
Okeno Select£6.044.7★
1065 Pcs M3X4/6/8/10/12/16/20/30/35 Bolts and Nuts Set Round Head Hexagon Socket Screws with Washers Black Hex Socket Button Head Cap Machine Screws Kit for DIY Home Improvement & Maintenance
Jiahezhi£8.044.8★
What buyers say about m3
What buyers praise and complain about, mined from review topics.What buyers love
“Decent kit”
“Good value”
“Good assortment of sizes as well”
“As described”
“Handy set with case”
“Compatible with bambu a1 mini”
“While the material is OK for light corrosion resistance”
“meaning they are strong”
“Screws are good”
“Everything is made from 304 stainless steel, so it feels sturdy and strong, and like it's going to last a while”
What buyers complain about
“more small sizes than the larger sizes as you would expect”
“strip far too easily”
“The case is plastic”
“didnt feel very good quality”
Top return reasons
Common questions
- Is m3 profitable to sell on Amazon United Kingdom?
- The niche generates £50K/yr across 42 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is -16.5%. Flapen's verdict: Skip it (48/100).
- How competitive is the m3 niche?
- 27 brands and 29 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 54% of demand.
- What do buyers complain about in m3?
- Top complaints mined from reviews: Size-Overall, Ease Of Use, Material Quality. The return rate is 1.5%.
- What does it cost to enter the m3 niche?
- Listings span £1.89–£9.06; the average listing price is £5.84 (sweet spot $15–$100). The average incumbent carries 429 reviews — the moat a new listing must climb.