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58

diamond hole saw

Worth a look

Shows a sweet-spot price point ($47.98 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 67Growth 23Conversion 61Competition 63Returns 69Price range 55Avg price 94Brand share 78Review moat 62Quality gap 37

Avg price

Great$47.98

avg listing price — sweet spot $15–$100

Brand share

Great57%

top-5 brand share — no brand owns this niche

Returns

Good2.2%

return rate — above 5% kills the launch gate

Market size

Good$672K

$672K/yr · 261K searches

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Review moat

Good1,038.41

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.4%

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

Price range

Good$5.88–$159.60

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-3.6%

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

According to Flapen's Amazon United States niche tracking, diamond hole saw is a $672K/yr Amazon United States market (261K searches/yr). The top 5 brands hold 57% of demand. Verdict: Worth a look — 58/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

diamond hole saw market data

Units sold / yr
10K–13K
avg 250–500/product
Revenue / yr
$480K–$600K
units × avg price
Conversion rate
5.4%
Avg BSR
#276
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
7.2%
Avg brand age
41 months
Avg seller age
158 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 falling

Sellers

27

Top-5 brand share

57%

Top 20: 96%

Top-5 click share

47%

Top 20: 90%

Open market

38%

  • WORKEASE20%
  • YLYL13%
  • Semderm10%
  • DAYDOOR9%
  • ZNXIMER6%
  • KATA5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.6% search growth over the last 90 days.
6K4KPrime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top diamond hole saw search terms

  • diamond hole saw58K/yr
  • tile hole saw kit39K/yr
  • tile hole saw33K/yr
  • diamond hole saw kit29K/yr
  • diamond core drill bit21K/yr
  • diamond hole saw bit7K/yr
  • glass hole saw9K/yr
  • tile hole saw kit diamond6K/yr
  • hole saw for tile6K/yr
  • granite hole saw7K/yr
All search terms

Top diamond hole saw 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%4%$27K8%$54K12%$81K16%$107K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about diamond hole saw

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

What buyers love

Value For Money20%

“Cost effective”

Quality-Overall17%

“Excellent product”

Precision Of Cut14%

“It cut great”

Advertised Vs Actual Product10%

“Worked exactly as it is intended”

Ease Of Use8%

“It is easy to use and operates simply and intuitively”

Durability5%

“Durable and Comes with a Great Case”

Sharpness3%

“stay pretty sharp”

Ease Of Cleaning2%

“the set is easy to clean up after use”

Size-Overall2%

“I like the variety of sizes included”

Strength2%

“The bits felt sturdy”

What buyers complain about

Durability24%

“Don't last very good”

Quality-Overall19%

“Questionable quality”

Precision Of Cut6%

“Breaks the tile before cutting the hole”

Size-Overall5%

“The package seems quite small”

Value For Money5%

“Amazons shipping rates are so screwed up they want $8 to ship it back”

Ease Of Use4%

“Not easy to use”

Functionality-Overall3%

“does not really work”

Advertised Vs Actual Product1%

“The Amazon page claims the guide is adjustable to 6mm to 50mm, however, the enclosed documentation says 4mm - 48mm”

Assembly/Installation1%

“This kit did not include a pilot bit nor is there anywhere to install one”

Thickness1%

“Not Ideal for Thicker Countertop Material”

Top return reasons

Size-Overall29%
Functionality-Overall13%
Defective Material/Parts11%
Compatibility-Overall8%
Quality-Overall8%
Advertised Vs Actual Product7%
Product Condition4%
Value For Money3%
Durability3%
Material Quality3%

Common questions

Is diamond hole saw profitable to sell on Amazon United States?
The niche generates $672K/yr across 32 tracked products. 6 of 10 products launched in the last 360 days are still selling. 90-day search growth is -3.6%. Flapen's verdict: Worth a look (58/100).
How competitive is the diamond hole saw niche?
25 brands and 27 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 57% of demand.
What do buyers complain about in diamond hole saw?
Top complaints mined from reviews: Durability, Quality-Overall, Precision Of Cut. The return rate is 2.2%.
When does demand for diamond hole saw peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the diamond hole saw niche?
Listings span $5.88–$159.60; the average listing price is $47.98 (sweet spot $15–$100). The average incumbent carries 1,038 reviews — the moat a new listing must climb.