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ハトメ 4mm

ハトメ 4mm shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

58
Worth a look

Top 45% of 4,191 DIY・工具・ガーデン niches · +1 vs the category median of 57

Market size 70Growth 28Conversion 48Competition 72Returns 98Price range 0Avg price 0Brand share 43Review moat 91Quality gap 96
This niche Category average · 4,191 niches

Is ハトメ 4mm profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, ハトメ 4mm is a ¥734K/yr Amazon Japan market (24K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Feb. Verdict: Worth a look — 58/100.

ハトメ 4mm: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +2.2% over the last 90 days and 3.9% of searches end in a purchase.

¥734K

revenue / yr

Units sold / yr2K
Search volume / yr+2.2%24K
Conversion rate3.9%
Avg price¥781.79

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers15 · 50
Top-5 product click share42%
Open market21%
Avg brand age53 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 3.9★ — the gap to enter on.

0/100

page quality · 37 products

Sponsored placement65%
New entrants (1y)3· 3 succeeded
Avg rating3.9★
Avg reviews187

Top ハトメ 4mm products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

¥0¥22K¥44K¥66K¥88K101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 rising

Sellers

50

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

42%

Top 20: 85%

Open market

15%

  • イチネンアクセス ツール事業部47%
  • サンドリー(Sundry)10%
  • COOLBOTANG9%
  • クラフトパーツ屋7%
  • KUKU工房6%
  • Harvest mart6%
  • Open — no brand owns it (9 brands, 15%)

ハトメ 4mm demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume24KCVR3.9%Products37Brands15Top 5 Brands79%OOS Rate0.2%Rating3.9★Reviews187Avg BSR#62
800600Spike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 2.0×

What reviews say buyers love and hate about ハトメ 4mm

What buyers mention most, as a share of all reviews.

What buyers love

84% of reviews
使用の容易さ38%

有れば便利

サイズ全体8%

内径はノギスで測っていたのでピッタリフィット。

握り心地7%

ハトメパンチのグリップが握りやすく、軽い力できれいに留めることができます。

総合品質6%

ちゃんと出来ました!!

コストパフォーマンス6%

解って購入するならコスパは良いと思います

What buyers complain about

68% of reviews
コストパフォーマンス11%

値上がり

サイズ全体9%

サイズを間違えて発注。

硬い感覚7%

硬い

総合品質7%

使い物にならない 粗悪品。

強さ6%

ポンチの強度が少し弱いようですね。

ハトメ 4mm return rate & reasons

Why buyers send it back, as a share of all return requests.

0.4%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1サイズ全体
45%
2不良材料/部品
12%
3機能全体
9%
4互換性-全体
7%
5メカニズムの問題
6%

Common ハトメ 4mm questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores ハトメ 4mm 58/100 on Amazon Japan — Worth a look. The niche generates ¥734K/yr across 37 tracked products. 3 of 3 products launched in the last 360 days are still selling. Search demand moved +2.2% over the last 90 days.
Search demand for ハトメ 4mm on Amazon Japan peaks in Feb, where the busiest month runs 2.0× the quietest.