100mm wood screws
Skip itA small market ($66K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Incredible15.2%search→purchase rate — share of searches ending in a sale
Review moat
Good1,211.27avg incumbent reviews — the moat a new listing must climb
Price range
Good£4.05–£28.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+21.6%90-day search growth — must beat 0% to launch
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Avg price
Okay£10.43avg listing price — sweet spot $15–$100
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad£66K£66K/yr · 42K searches
According to Flapen's Amazon United Kingdom niche tracking, 100mm wood screws is a £66K/yr Amazon United Kingdom market (42K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Apr–May. Verdict: Skip it — 48/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
100mm wood screws market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- £63K–£83K
- units × avg price
- Conversion rate
- 15.2%
- Avg BSR
- #192
- Page quality
- 0%
- Prime
- 80%
- Sponsored
- 67%
- Out of stock
- 4.4%
- Avg brand age
- 47 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
52
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
17%
- BuildFix31%
- Forgefix14%
- GreHom12%
- Astone11%
- TIMBER WOLF8%
- TIMCO7%
- Open — no brand owns it (4 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +21.6% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.5×
Top 100mm wood screws search terms
- 100mm wood screws16K/yr
- wood screws 100mm11K/yr
- 100mm screws11K/yr
- 4 inch screws4K/yr
Top 100mm wood 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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
100mm Wood Screws 5mm PZ2 Fully Threaded Countersunk 100 Pack BuildFix
BuildFix£10.464.5★20 rev
Packs of 1000-5.0 x 100mm (10 x 4) Professional TIMCO Solo Wood Screw POZI COUNTERSUNK - Free Next Working Day DELIVERY
GreHom£28.444.6★137 rev
ForgeFast Elite Fast-Start Woodscrews | 5.0 x 100mm | Zinc Yellow | Box 100
Forgefix£7.854.7★6,240 rev
Astone General Purpose Wood Screw mini Packs (25 5 x 100mm)
Astone£4.054.8★95 rev
Timber Wolf TW50100 Woodscrews - 5.0 x 100mm - Box of 100 Zinc & Yellow (Gold)
TIMBER WOLF£9.154.7★2,523 rev
Newest
by launch date
Aigher Multi-Purpose Single Thread Woodscrews 5.0 x 100mm Zinc Yellow Passivated Box of 700 for Softwood Hardwood MDF and Chipboard
AIGHER£15.120 rev
100mm Wood Screws 5mm PZ2 Fully Threaded Countersunk 100 Pack BuildFix
BuildFix£10.4620 rev
100mm Wood Screws 5mm PZ2 Partially Threaded Countersunk 100 Pack BuildFix
BuildFix£10.6612 rev
ASelected 150Pcs Wood Screws M5 x 100mm Screws for Wood Gold Timber Screw Long Screw for Chipboard Home Diy Constructing Repair
ASelected£9.86386 rev
Spectre PZ Compatible Wood Screw CSK ZYP 5.0 x 100mm Tub 300
Forgefix£16.4513 rev
Trending
90-day click momentum
Astone Wood Screw assortment (300pc: 5 x 70mm 4 x 50mm 40mm 30mm 3.5 x 25mm)
Astone£5.814.5★
Aigher Multi-Purpose Single Thread Woodscrews 5.0 x 100mm Zinc Yellow Passivated Box of 700 for Softwood Hardwood MDF and Chipboard
AIGHER£15.120.0★
Solo Professional Wood Screws POZI Countersunk - Timco (Pack of 50 100 200 500 1000) (50 3.5x40)
Cheapscrews£4.594.7★
Solo Professional Wood Screws POZI Countersunk - Timco (Pack of 50 100 200 500 1000) (100 3x17)
Cheapscrews£4.714.7★
ASelected 150Pcs Wood Screws M5 x 100mm Screws for Wood Gold Timber Screw Long Screw for Chipboard Home Diy Constructing Repair
ASelected£9.864.6★
What buyers say about 100mm wood screws
What buyers praise and complain about, mined from review topics.What buyers love
“they are good quality screws”
“Easy to use”
“Value for money”
“As described”
“they feel sturdy”
“durable with good threading”
“this makes it easier to get screws in as there's less likelihood of the screws slipping”
“Work well for DIY”
What buyers complain about
“They're not as cheap as some value screws”
Top return reasons
Common questions
- Is 100mm wood screws profitable to sell on Amazon United Kingdom?
- The niche generates £66K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +21.6%. Flapen's verdict: Skip it (48/100).
- How competitive is the 100mm wood screws niche?
- 10 brands and 52 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in 100mm wood screws?
- Top complaints mined from reviews: Value For Money. The return rate is 0.2%.
- When does demand for 100mm wood screws peak?
- Demand peaks in Apr–May; the busiest month runs 2.5× the quietest.
- What does it cost to enter the 100mm wood screws niche?
- Listings span £4.05–£28.44; the average listing price is £10.43 (sweet spot $15–$100). The average incumbent carries 1,211 reviews — the moat a new listing must climb.