3 1/2 hole saw
Skip itA concentrated shelf (top 5 take 76% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.1%search→purchase rate — share of searches ending in a sale
Review moat
Good1,224.69avg incumbent reviews — the moat a new listing must climb
Avg price
Good$12.71avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Okay3.1%return rate — above 5% kills the launch gate
Growth
Okay+15.0%90-day search growth — must beat 0% to launch
Price range
Okay$7.07–$20.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Bad$98K$98K/yr · 42K searches
Competition
Bad76%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, 3 1/2 hole saw is a $98K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
3 1/2 hole saw market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $76K–$102K
- units × avg price
- Conversion rate
- 18.1%
- Avg BSR
- #54
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 falling
Sellers
58
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
15%
- VIKITON44%
- EMSTAR16%
- Lenox10%
- Cortool5%
- Luomorgo5%
- ITOOLFIRM5%
- Open — no brand owns it (5 brands, 15%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +15.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top 3 1/2 hole saw search terms
- 3 1/2 hole saw14K/yr
- 3.5 hole saw13K/yr
- 3.5 inch hole saw10K/yr
- 3 1/2 inch hole saw4K/yr
- 3-1/2 hole saw2K/yr
Top 3 1/2 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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VIKITON 3-1/2 inch Hole Saw for Wood Metal Plastic & Drywall with Arbor
VIKITON$11.244.6★4,783 rev
3.5 Inch Hole Saw 3 1/2 Inch Hole Saw M42 HSS Bi-Metal Hole Cutter Triangular Shank Hole Saw Drill Bit with Spring for Wood Plywood Plastic Gypsum Board Various Thin Metal Sheet
EMSTAR$7.734.5★305 rev
LENOX Hole Saws 56L 3-1/2 In. 89 mm
Lenox$17.224.4★32 rev
VIKITON 3-1/2 inch Hole Saw for Wood Metal Plastic & Drywall with Arbor
VIKITON$9.894.5★194 rev
3-1/2 Inch Hole Saw with Arbor for Metal and Wood Cutting Bi-Metal Hole Cutter 3-1/2 Hole Saw Kit for Drywall Wood PVC Boards Fiberglass and Vent Pipes
Cortool$7.074.4★569 rev
Newest
by launch date
BEoffer 3-1/2 TCT Hole Saw Set - 1 Pack 90mm Tungsten Carbide Tipped Hole Cutter with Spring-Loaded Pilot Drill Bits for Metal Stainless Steel Iron Plastic and Wood Heavy Duty Hole Saw
BEoffer$15.41215 rev
VIKITON 3-1/2 inch Hole Saw for Wood Metal Plastic & Drywall with Arbor
VIKITON$9.89194 rev
3.5 Inch Hole Saw 3 1/2 Inch Hole Saw M42 HSS Bi-Metal Hole Cutter Triangular Shank Hole Saw Drill Bit with Spring for Wood Plywood Plastic Gypsum Board Various Thin Metal Sheet
EMSTAR$7.73305 rev
3-1/2 Inch Hole Saw with Arbor for Metal and Wood Cutting Bi-Metal Hole Cutter 3-1/2 Hole Saw Kit for Drywall Wood PVC Boards Fiberglass and Vent Pipes
Cortool$7.07569 rev
VIKITON 3-1/2 inch Hole Saw for Wood Metal Plastic & Drywall with Arbor
VIKITON$11.244,783 rev
Trending
90-day click momentum
Disston E0210562 3-1/2-Inch Boxed Blu-MOL Xtreme Bi-Metal Hole Saws 89mm
Disston$11.744.6★
BEoffer 3-1/2 TCT Hole Saw Set - 1 Pack 90mm Tungsten Carbide Tipped Hole Cutter with Spring-Loaded Pilot Drill Bits for Metal Stainless Steel Iron Plastic and Wood Heavy Duty Hole Saw
BEoffer$15.414.1★
VIKITON 3-1/2 inch Hole Saw for Wood Metal Plastic & Drywall with Arbor
VIKITON$9.894.5★
LENOX Hole Saws 56L 3-1/2 In. 89 mm
Lenox$17.224.4★
Hole Saw 3 1/2 (89mm) for Wood and Plastic HSS Bi-Metal Hole Cutter Core Drill Bit for Drywall PVC Boards Fiberglass and Vent Pipes
ITOOLFIRM$10.304.5★
What buyers say about 3 1/2 hole saw
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality and the case store them nicely”
“As advertised”
“Great value”
“It is a great hole cutter”
“Very sharp”
“Durable product”
“Has all the sizes I need”
“id say easier than some of my previous much more expensive sets”
“It's a very flexible kit that costs less than some single hole saws at the store”
“Good enough for home use”
What buyers complain about
“Also the set screw is junk”
“Broke first use”
“Gave up any cutting ability at 1-1/8", shot, off to the store”
“Resells Used/Returned Products”
“Basically the arbor is too small”
“One of the disc is bend”
“Not heavy duty”
“Totally unusable”
“Not heavyweight”
“Not worth the money”
Top return reasons
Common questions
- Is 3 1/2 hole saw profitable to sell on Amazon United States?
- The niche generates $98K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +15.0%. Flapen's verdict: Skip it (44/100).
- How competitive is the 3 1/2 hole saw niche?
- 11 brands and 58 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in 3 1/2 hole saw?
- Top complaints mined from reviews: Quality-Overall, Durability, Precision Of Cut. The return rate is 3.1%.
- When does demand for 3 1/2 hole saw peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the 3 1/2 hole saw niche?
- Listings span $7.07–$20.35; the average listing price is $12.71 (sweet spot $15–$100). The average incumbent carries 1,225 reviews — the moat a new listing must climb.