4 1/8 hole saw
Skip itA small market ($62K/yr) — this niche doesn't clear our bar today.
Conversion
Incredible19.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.89avg listing price — sweet spot $15–$100
Price range
Good$7.35–$33.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good809.24avg incumbent reviews — the moat a new listing must climb
Returns
Good2.8%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Bad-6.6%90-day search growth — must beat 0% to launch
Competition
Bad73%top-5 click share — a locked-up shelf
Market size
Bad$62K$62K/yr · 18K searches
According to Flapen's Amazon United States niche tracking, 4 1/8 hole saw is a $62K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 42/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
4 1/8 hole saw market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $51K–$68K
- units × avg price
- Conversion rate
- 19.9%
- Avg BSR
- #123
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 59%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
62
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
11%
- VIKITON27%
- ITOOLFIRM23%
- Lhazemu14%
- Lenox11%
- Milwaukee10%
- HLOFIZI5%
- Open — no brand owns it (6 brands, 11%)
Demand
Weekly Amazon search volume, last 26 weeks — -6.6% search growth over the last 90 days.Top 4 1/8 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hole Saw 4 1/8 (105mm) for Wood and Plastic HSS Bi-Metal Hole Cutter Core Drill Bit for Drywall PVC Boards Fiberglass and Vent Pipes
ITOOLFIRM$11.174.5★2,882 rev
VIKITON 4-1/8 inch Hole Saw for Wood Metal Plastic & Drywall with Arbor
VIKITON$14.384.6★4,783 rev
4-1/8 / 105mm HSS Bi-Metal Hole Cutter with Pilot Drill Bit Hole Saw for Wood Plastic Drywall Metal Sheet
Lhazemu$9.724.5★389 rev
Lenox 4-1/8 in. (105 Mm) Hole Saw
Lenox$23.544.9★15 rev
Milwaukee 49-56-0217 4-1/8-Inch Ice Hardened Hole Saw
Milwaukee$24.294.6★137 rev
Newest
by launch date
VIKITON 4-1/8 Hole Saw for Recessed Lights with Dust Bowl Catcher
VIKITON$16.211,443 rev
METALLIXITY Bi-Metal Hole Saw 4-1/8 M42 HSS Circular Head 105mm Hole Cutter with Center Drill Bit - for Stainless Steel Hard Steel Sheet Black
METALLIXITY$7.35120 rev
Storystore 4 1/8 inch Hole Saw for Recessed Lights with Dust Bowl Catcher
Storystore$15.42271 rev
FROOOK 4-1/8(105mm) Bi-Metal Hole Saw with Arbor - Multi-Material Cutting Kit for Thin Iron Wood & Drywall - High-Speed Steel Teeth with Smooth Cutting Edge Fast Chip Removal & Bonus Dust-Proof Bag
FROOOK$9.6790 rev
VIKITON 4-1/8 Hole Saw for Recessed Lights with Dust Bowl Catcher
VIKITON$19.501,134 rev
Trending
90-day click momentumMETALLIXITY Bi-Metal Hole Saw 4-1/8 M42 HSS Circular Head 105mm Hole Cutter with Center Drill Bit - for Stainless Steel Hard Steel Sheet Black
METALLIXITY$7.354.5★
Storystore 4 1/8 inch Hole Saw for Recessed Lights with Dust Bowl Catcher
Storystore$15.424.5★
Milwaukee 49-56-0217 4-1/8-Inch Ice Hardened Hole Saw
Milwaukee$24.294.6★
Lenox 4-1/8 in. (105 Mm) Hole Saw
Lenox$23.544.9★
Qjaiune 4-1/8 Inch / 105mm Bi-Metal Hole Saw with Arbor for Wood Drywall
Qjaiune$10.004.4★
What buyers say about 4 1/8 hole saw
What buyers praise and complain about, mined from review topics.What buyers love
“The price is reasonable as well”
“Cuts really good”
“Simple and effective”
“its the right size works well”
“Heavy duty”
“Great quality product, well known brand”
“Advertised as expected”
“sharp works well”
What buyers complain about
“it couldnt cut through plywood—the teeth were ruined in minutes”
“This one is extremely low quality”
“Barely worked for its one simple job”
“is hard to remove”
Top return reasons
Common questions
- Is 4 1/8 hole saw profitable to sell on Amazon United States?
- The niche generates $62K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -6.6%. Flapen's verdict: Skip it (42/100).
- How competitive is the 4 1/8 hole saw niche?
- 12 brands and 62 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in 4 1/8 hole saw?
- Top complaints mined from reviews: Precision Of Cut, Quality-Overall, Functionality-Overall. The return rate is 2.8%.
- What does it cost to enter the 4 1/8 hole saw niche?
- Listings span $7.35–$33.62; the average listing price is $16.89 (sweet spot $15–$100). The average incumbent carries 809 reviews — the moat a new listing must climb.