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M4 ネジ

Maybe

An estimated 0.5% of orders come back. But products sell for $698.13 on average, outside the sweet spot, so M4 ネジ is a Maybe.

Flapen Score
63
63 / 100
Top 21% of 4,191 DIY・工具・ガーデン niches · +6 vs the category median of 57
Market size
¥1.9M/yr97K searches / yr
90-day growth
-1.1%search demand this quarter
Competition
42%top-5 click share · 23 brands · 83 sellers

Flapen Score

M4 ネジ against its category

The dotted line is the DIY・工具・ガーデン average. Past it, M4 ネジ is stronger. Inside it, weaker.

63Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The M4 ネジ market on Amazon at a glance

Shoppers on Amazon Japan searched for M4 ネジ 97K times last year and spent an estimated ¥1.9M. The top 5 brands take 54% of clicks. Flapen scores it 63 out of 100, a Maybe.

01 · Demand

An estimated 2.9% of those searches ended in a purchase.

Shoppers searched for this 97K times in the last 12 months. That counts every search on Amazon Japan for this niche's terms. An estimated 2.9% of those searches ended in a purchase. Searches in the last 90 days moved -1.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated ¥1.9M a year.

Searches, last 12 months
97K
Growth, 90 days vs prior 90
-1.1%
Conversion, latest week
2.9%
Market size, estimated
¥1.9Ma year
Peak month
May1.4× the quietest month
Top search term
m4 ネジ47K searches a year

02 · Price

A sale here is worth ¥698.13.

Listings sell for ¥698.13 on average, from ¥332.74 to ¥1712.94. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At ¥698.13 that is ¥0 to ¥70K a year per listing.

Average price
¥698.13above the $15 to $100 sweet spot
Price range
¥332.74–¥1712.94
Amazon Japan median price
¥1942.07across 14,733 niches
Units sold a year
2K–3K
Units per listing a year
0–100
Revenue per listing a year
¥0–¥70K
Returns
0.5%of orders · Amazon Japan median 0.4%

03 · Entry bar

The bar here is low.

65% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #75 within 建築金物. It carries 86 reviews at 4.26 stars, so a new listing needs social proof before a better product.

Sponsored listings
65%
Prime listings
98%
Out of stock, average day
2.4%
Average rank
#75in 建築金物
Average rating
4.26 starsAmazon Japan average 4.15 stars
Average reviews
86per listing
Listings tracked
40

04 · Newcomers

5 of last year's 8 launches cleared the first-year sales bar.

8 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 40 months on average, so the names here are settling in.

Launched, last 12 months
8
Successful launches
5Amazon's first-year sales bar
Average brand age
40 months

Products

Top M4 ネジ products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 42% of clicks. Leaders hold, but buyers still shop past them.

Brands

23 falling

Sellers

83

Top-5 brand share

54%

Top 20: 98%

Top-5 click share

42%

Top 20: 80%

Open market

40%

  • Brand 115%
  • Brand 212%
  • Brand 311%
  • Brand 48%
  • Brand 57%
  • Brand 66%

Demand

M4 ネジ search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K2KBlack Friday '24Spike '25Black Friday '25Prime Day '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top M4 ネジ search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • m4 ネジ47K/yr
  • m4 ボルト15K/yr
  • ネジ m413K/yr
  • 4ミリネジ4K/yr
  • m4ネジ5K/yr
  • 4mm ネジ5K/yr
  • m4 ビス3K/yr
  • ボルト m43K/yr
  • m4ボルト2K/yr

Reviews and returns

What reviews say buyers love and hate about M4 ネジ

We read the reviews and the return reasons for every product selling here.

25%of positive reviews mention “使用の容易さ”
17%of negative reviews mention “サイズ全体”
0.5%of orders come back
“設計や部品表のミスで長さや本数が足りなかったり、不意の修繕で手元に合うビスが無かったり...ということがちょくちょくありました。”
A buyer, on “サイズ全体”17% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

20 topics

NegativePositive

FAQ

Common M4 ネジ questions

Answered from the same tracked data.