1/8 router bit
Worth a lookShows low returns (1.1%), but a small market ($51K/yr) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Conversion
Great9.4%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.11avg listing price — sweet spot $15–$100
Review moat
Great453.43avg incumbent reviews — the moat a new listing must climb
Price range
Good$6.36–$36.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Good70%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-11.4%90-day search growth — must beat 0% to launch
Market size
Bad$51K$51K/yr · 32K searches
According to Flapen's Amazon United States niche tracking, 1/8 router bit is a $51K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
1/8 router bit market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $51K–$68K
- units × avg price
- Conversion rate
- 9.4%
- Avg BSR
- #54
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 0.9%
- Avg brand age
- 68 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
53
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
46%
Top 20: 91%
Open market
22%
- SHARPRO31%
- HARFINGTON12%
- Bosch10%
- Freud9%
- SpeTool8%
- Whiteside Router Bits8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top 1/8 router bit search terms
- 1/8 router bit17K/yr
- 1/8 router bit 1/4 shank8K/yr
- 1/8 inch router bit3K/yr
- 1/8 straight router bit3K/yr
Top 1/8 router bit 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SHARPRO 1/8 Router Bit 1/4 Shank Spiral Upcut Router bit 1/4 Inch CNC Router Bits Up Cut Spiral Router Bits 1/4 Shank Solid Carbide Router Bits 1/4 Ideal for Wood Inlay Plunge Plastic
SHARPRO$17.934.5★442 rev
HARFINGTON 2pcs Straight Router Bit 1/4 Inch Shank 1/8 Cutting Dia 2 Flutes 0.51 Inch Cutting Length YG6 Carbide Cutter with PTFE Heat Resistance Coating Woodworking Grooving Trim Bit
HARFINGTON$8.473.7★31 rev
Bosch 85152 1/8-Inch Straight Bit with High-Speed Steel Construction 1/4-Inch XL Shank
Bosch$6.364.5★156 rev
Freud Double Flute Straight Bit with TiCo Hi-Density Carbide and Black I.C.E Coating - 2 Cutters 24000 RPM 3/8 Height 1/8 Diameter 1-3/4 Length 1/4 Shank - 04-100
Freud$13.114.7★466 rev
7Pcs Straight Router Bit Set 1/4 Shank Double Flute Straight Bit Dado Straight Cut Router Bit Cut Dia 1/8 5/32 3/16 1/4 5/16 3/8 1/2 Straight Router Bit for Woodworking Groove by SICWOOD
SICWOOD$17.314.6★406 rev
Newest
by launch date
BFVV 10 Pcs CNC Straight Router Bits 1/8 inch Shank 2-Flute Carbide Straight Milling Cutter with DLC Coating 22mm CEL/45mm OAL CNC Milling Cutting for MDF PVC Acrylic Chipboard & Woodworking
BFVV$27.094 rev
1/8 Router Bits 1/4 Shank Spiral Downcut Router Bit 1/8 Inch CNC Router Bits Down Cut End Mills 1/4 Shank Solid Carbide Endmills Ideal for Wood Inlay Grooving 1/2 CL 2 OVL
SHARPRO$16.50273 rev
Akylin 6Pcs Straight Router Bit Set 1/4 Shank
Akylin$8.2224 rev
7Pcs Straight Router Bit Set 1/4 Shank Double Flute Straight Bit Dado Straight Cut Router Bit Cut Dia 1/8 5/32 3/16 1/4 5/16 3/8 1/2 Straight Router Bit for Woodworking Groove by SICWOOD
SICWOOD$17.31406 rev
HARFINGTON 2pcs Straight Router Bit 1/4 Inch Shank 1/8 Cutting Dia 2 Flutes 0.51 Inch Cutting Length YG6 Carbide Cutter with PTFE Heat Resistance Coating Woodworking Grooving Trim Bit
HARFINGTON$8.4731 rev
Trending
90-day click momentumAkylin 6Pcs Straight Router Bit Set 1/4 Shank
Akylin$8.224.2★
Bosch 85152 1/8-Inch Straight Bit with High-Speed Steel Construction 1/4-Inch XL Shank
Bosch$6.364.5★
SpeTool Upcut Spiral Router Bit 1/8 Inch Cutting Diameter 1/4 Inch Shank Extra Long 3 Inch Extreme Tool Life Coated Solid Carbide CNC Wood Plunge Router Bits
SpeTool$21.174.6★
HARFINGTON 2pcs Straight Router Bit 1/4 Inch Shank 1/8 Cutting Dia 2 Flutes 0.51 Inch Cutting Length YG6 Carbide Cutter with PTFE Heat Resistance Coating Woodworking Grooving Trim Bit
HARFINGTON$8.473.7★
Freud Double Flute Straight Bit with TiCo Hi-Density Carbide and Black I.C.E Coating - 2 Cutters 24000 RPM 3/8 Height 1/8 Diameter 1-3/4 Length 1/4 Shank - 04-100
Freud$13.114.7★
What buyers say about 1/8 router bit
What buyers praise and complain about, mined from review topics.What buyers love
“It was very sharp”
“Excellent product”
“Did the job”
“Good inexpensive bits”
“These stay sharp for many of my projects”
“Compatible with 1/4 inch shank routers”
“Nicely diameter size for hassle free cuts”
“These come out strong”
“It did not break”
“25in pass and it leaves are a really clean edge”
What buyers complain about
“Broke easily”
“Garbage Bits”
“If you don't need accuracy”
“The 1/8 bit snapped as soon as it came in contact with the wood. it didnt even cut”
“Overheat and break easily in my trim router”
Top return reasons
Common questions
- Is 1/8 router bit profitable to sell on Amazon United States?
- The niche generates $51K/yr across 28 tracked products. 90-day search growth is -11.4%. Flapen's verdict: Worth a look (54/100).
- How competitive is the 1/8 router bit niche?
- 15 brands and 53 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in 1/8 router bit?
- Top complaints mined from reviews: Durability, Quality-Overall, Measurement/Reading Accuracy. The return rate is 1.1%.
- When does demand for 1/8 router bit peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the 1/8 router bit niche?
- Listings span $6.36–$36.96; the average listing price is $17.11 (sweet spot $15–$100). The average incumbent carries 453 reviews — the moat a new listing must climb.