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grub screws

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 25Growth 18Conversion 93Competition 8Returns 92Price range 0Avg price 17Brand share 0Review moat 59Quality gap 35

Conversion

Great11.5%

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

Returns

Great1.1%

return rate — above 5% kills the launch gate

Review moat

Good1,143

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad£99K

£99K/yr · 142K searches

Growth

Bad-13.5%

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

Avg price

Bad£6.04

avg listing price — sweet spot $15–$100

Competition

Bad90%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£4.10–£10.13

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

According to Flapen's Amazon United Kingdom niche tracking, grub screws is a £99K/yr Amazon United Kingdom market (142K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 33/100.

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

grub screws market data

Units sold / yr
15K–20K
avg 2,000–2,500/product
Revenue / yr
£91K–£121K
units × avg price
Conversion rate
11.5%
Avg BSR
#52
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
41 months
Avg seller age
212 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

8

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

0%

  • FIXXELY61%
  • Xiaomoyu20%
  • HAOCHEN10%
  • KOXXIAMOQ6%
  • HOLMOL3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.5% search growth over the last 90 days.
4K3KSpike '25SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.4×

Top grub screws search terms

  • grub screws71K/yr
  • grub screws for door handles28K/yr
  • grub screws assorted13K/yr
  • grub screw10K/yr
  • grub screw set4K/yr
  • tap grub screws4K/yr
  • m4 grub screw3K/yr
  • m5 grub screw3K/yr
  • door handle grub screws4K/yr
  • m3 grub screw3K/yr
All search terms

Top grub 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.

0%15%£15K30%£30K45%£44K60%£59K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about grub screws

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

What buyers love

Quality-Overall34%

“Great assortment”

Value For Money17%

“Good value”

Advertised Vs Actual Product16%

“As advertised”

Size-Overall13%

“Nice selection of sizes”

Ease Of Use6%

“Handy to have”

Mounting5%

“Really helpful set of the screws that always get lost”

Flexibility2%

“hex head options gives you good flexibility”

Touch/Button Controls2%

“The included allen keys are a nice touch”

Strength2%

“Box was sturdy they came in”

Material Quality1%

“The carbon-steel feels solid”

What buyers complain about

Size-Overall50%

“but unfortunately none of them fit”

Leak-Proof17%

“it has lifted or curled up at either end which means some grub screws will spill out so I have to use rubber bands to hold the lid tight against the case so please use a stiffer plastic box as the container box is very thing plastic”

Top return reasons

Size-Overall71%
Defective Material/Parts6%
Compatibility-Overall4%
Quality-Overall3%
Functionality-Overall3%
Mounting3%
Advertised Vs Actual Product2%
Mechanism Issues2%
Maintenance And Repair1%
Material Quality1%

Common questions

Is grub screws profitable to sell on Amazon United Kingdom?
The niche generates £99K/yr across 8 tracked products. 90-day search growth is -13.5%. Flapen's verdict: Skip it (33/100).
How competitive is the grub screws niche?
5 brands and 8 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in grub screws?
Top complaints mined from reviews: Size-Overall, Leak-Proof. The return rate is 1.1%.
When does demand for grub screws peak?
Demand peaks in Jan; the busiest month runs 1.4× the quietest.
What does it cost to enter the grub screws niche?
Listings span £4.10–£10.13; the average listing price is £6.04 (sweet spot $15–$100). The average incumbent carries 1,143 reviews — the moat a new listing must climb.