Is m4 screws profitable to sell on Amazon United Kingdom?

The niche generates £170K/yr across 48 tracked products. 0 of 20 products launched in the last 360 days are still selling. 90-day search growth is -0.5%. Flapen's verdict: Worth a look (57/100).

How competitive is the m4 screws niche?

31 brands and 37 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 53% of demand.

What do buyers complain about in m4 screws?

Top complaints mined from reviews: Size-Overall, Strength, Compatibility-Overall. The return rate is 2.0%.

When does demand for m4 screws peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the m4 screws niche?

Listings span £2.50–£696.17; the average listing price is £20.27 (sweet spot $15–$100). The average incumbent carries 340 reviews — the moat a new listing must climb.

m4 screws

Worth a look

Shows a sweet-spot price point ($20.27 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Great£20.27

avg listing price — sweet spot $15–$100

Review moat

Great339.56

avg incumbent reviews — the moat a new listing must climb

Brand share

Great53%

top-5 brand share — no brand owns this niche

Competition

Great34%

top-5 click share — an open shelf

Returns

Great2.0%

return rate — above 5% kills the launch gate

Conversion

Good6.6%

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

Market size

Okay£170K

£170K/yr · 127K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-0.5%

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

Price range

Bad£2.50–£696.17

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

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, m4 screws is a £170K/yr Amazon United Kingdom market (127K searches/yr). The top 5 brands hold 53% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

m4 screws market data

Units sold / yr: 8K–10K; avg 100–250/product
Revenue / yr: £162K–£203K; units × avg price
Conversion rate: 6.6%
Avg BSR: #173
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 5.4%
Avg brand age: 28 months
Avg seller age: 174 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

31 rising

Sellers

Top-5 brand share

53%

Top 20: 93%

Top-5 click share

34%

Top 20: 77%

Open market

42%

JinZeYou15%
BATENGKEJI15%
YOUYIDUN9%
SZSLMY7%
Moqinai7%
AMLOOPH6%

Demand & seasonality

Weekly Amazon search volume, last 66 weeks — -0.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top m4 screws search terms

m4 bolts46K/yr -2.9%6.2% conv.
m4 screws47K/yr -8.6%3.8% conv.
m4 nuts and bolts9K/yr +80.2%5.3% conv.
m4 bolts and nuts5K/yr +13.9%4.8% conv.
m4 bolt5K/yr +3.9%3.4% conv.
m4 machine screws3K/yr +6.5%3.1% conv.
m4 screw4K/yr -13.8%3.3% conv.

All search terms

Top m4 screws 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.

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

760 Pcs M4 Bolts and Nuts Set Nuts and Bolts Set Black Hex Socket Button Head Cap Screws with Washers Assorted Pan Head Screws (M4)

JinZeYou£5.914.6★146 rev

425 Pcs M4 Bolts and Nuts Set M4 Nuts and Bolts Set Round Head Hexagon Socket Screws and Washers Black Hex Socket Button Head Cap Machine Screws Kit

BATENGKEJI£6.084.6★819 rev

800 Pcs M4 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£7.084.6★138 rev

AMLOOPH Cabinet & Door Handle Screw Assortment 60pack M4 Bolts 25-50MM

AMLOOPH£4.914.4★190 rev

Vwoqiy 600 Pcs M4 Screws Set Pan Head Machine Screws Bolts and Nuts and Washers Assortment Kit Assorted Galvanized Round Cross Pan Head Bolts and Nuts Sets DIN 7985 (silver 600)

Vwoqiy£7.044.6★2,018 rev

Newest

by launch date

mawmuaw M4 Bolts 30 Pcs Pan Head Machine Screws M4x6 mm Phillips Round Head Bolts Zinc Steel Screw Fully Threaded with Bit for DIY Furniture Machinery Construction Engineering

mawmuaw£3.151 rev

3mo ago

mawmuaw M4 Bolts 30 Pcs Pan Head Machine Screws M4x5 mm Phillips Round Head Bolts Zinc Steel Screw Fully Threaded with Bit for DIY Furniture Machinery Construction Engineering

mawmuaw£3.222 rev

3mo ago

IEAWISL 276PCS M4 Nut and Bolt 6-30mm Hex Socket Cap 304 SS for DIY

IEAWISL£5.3136 rev

6mo ago

872PCS M4 Screw Set M4 Bolts and Nuts Set Stainless Steel Countersunk Hex Socket Screws and Nuts Kit Metric Machine Screws Assortment with Washers & Spring Washers Fastener Set with Wrench

Moqinai£5.948 rev

8mo ago

732 Pcs M4 Screw Set M4 Bolts and Nuts Set Black Carbon Steel Hex Socket Cap Screws Nuts and Washers Assortment Machine Screws Kit High-Strength Threaded Fasteners Set for DIY & Repairs

Moqinai£6.498 rev

8mo ago

What buyers say about m4 screws

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

What buyers love

Quality-Overall29%

“Good quality little kit”

Mounting20%

“Handy kit for TV mounting with plenty included”

Value For Money18%

“Good value”

Size-Overall13%

“Perfect size”

Ease Of Use4%

“are very easy to use”

Advertised Vs Actual Product4%

“as described”

Material Quality3%

“While the material is OK for light corrosion resistance”

Add-Ons/Attachments2%

“All the attachments”

Correct Contents2%

“Goid selection of parts”

Compatibility-Overall1%

“These sets are compatible with pretty much every bracket you can buy”

What buyers complain about

Size-Overall27%

“Beware - these Allen bolts are not sized as expected”

Strength15%

“box a little weak, easy cracked”

Compatibility-Overall10%

“Not good for Samsung”

Quality-Overall10%

“Poor quality case”

Assembly/Installation8%

“try as I might I couldn't fine the correct bolts or spacers to hang it correctly”

Instructions/User Manual/Troubleshooting5%

“The computer monitor manual didn't even mention the screws or even their size”

Ease Of Use3%

“if they're very very similar such as 8 and 10 mm it becomes rather difficult”

Top return reasons

Size-Overall79%

Defective Material/Parts6%

Compatibility-Overall4%

Mounting4%

Advertised Vs Actual Product3%

Quality-Overall2%

Functionality-Overall1%

Thickness1%

Strength1%

Leak-Proof0%

Common questions

Is m4 screws profitable to sell on Amazon United Kingdom?: The niche generates £170K/yr across 48 tracked products. 0 of 20 products launched in the last 360 days are still selling. 90-day search growth is -0.5%. Flapen's verdict: Worth a look (57/100).
How competitive is the m4 screws niche?: 31 brands and 37 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 53% of demand.
What do buyers complain about in m4 screws?: Top complaints mined from reviews: Size-Overall, Strength, Compatibility-Overall. The return rate is 2.0%.
When does demand for m4 screws peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the m4 screws niche?: Listings span £2.50–£696.17; the average listing price is £20.27 (sweet spot $15–$100). The average incumbent carries 340 reviews — the moat a new listing must climb.