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6 3/8 hole saw

Skip it

A small market ($64K/yr) — this niche doesn't clear our bar today.

Market size 16Growth 17Conversion 100Competition 17Returns 40Price range 87Avg price 92Brand share 32Review moat 61Quality gap 43

Conversion

Incredible23.0%

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

Avg price

Great$21.63

avg listing price — sweet spot $15–$100

Price range

Great$11.65–$46.01

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

Review moat

Good1,058.42

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Growth

Bad-15.5%

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

Competition

Bad80%

top-5 click share — a locked-up shelf

Market size

Bad$64K

$64K/yr · 13K searches

According to Flapen's Amazon United States niche tracking, 6 3/8 hole saw is a $64K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 41/100.

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

6 3/8 hole saw market data

Units sold / yr
2K–3K
avg 100–250/product
Revenue / yr
$43K–$54K
units × avg price
Conversion rate
23.0%
Avg BSR
#228
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
0.7%
Avg brand age
53 months
Avg seller age
148 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

24

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

11%

  • VIKITON69%
  • Luomorgo6%
  • KLEIN TOOLS4%
  • shihan-xingyu3%
  • PLG2SUPT3%
  • FONUNO3%
  • Open — no brand owns it (4 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.5% search growth over the last 90 days.
400300Spike '24Black Friday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top 6 3/8 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%15%$10K30%$19K45%$29K60%$39K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about 6 3/8 hole saw

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

What buyers love

Value For Money25%

“Low price for what product give”

Sharpness17%

“Sharp teeth”

Size-Overall17%

“it was the perfect size”

Precision Of Cut17%

“Ordered this and it was nice and sharp and made a perfectly clean cut for both light holes I had to do”

Quality-Overall8%

“Great product, drill cut dust control”

Advertised Vs Actual Product8%

“Did just what I needed”

Ease Of Cleaning8%

“Nice clean cut no splintering”

Top return reasons

Size-Overall29%
Functionality-Overall19%
Advertised Vs Actual Product13%
Defective Material/Parts10%
Sharpness7%
Product Condition5%
Quality-Overall4%
Mechanism Issues4%
Precision Of Cut1%
Compatibility-Overall1%

Common questions

Is 6 3/8 hole saw profitable to sell on Amazon United States?
The niche generates $64K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -15.5%. Flapen's verdict: Skip it (41/100).
How competitive is the 6 3/8 hole saw niche?
10 brands and 24 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 86% of demand.
When does demand for 6 3/8 hole saw peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the 6 3/8 hole saw niche?
Listings span $11.65–$46.01; the average listing price is $21.63 (sweet spot $15–$100). The average incumbent carries 1,058 reviews — the moat a new listing must climb.