---
title: "1/8 Npt Tap — $78K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/1-8-npt-tap"
last_updated: "2026-08-08T05:18:30.386Z"
locale: en
meta:
description: "Niche score 41/100 · $78K/yr market · 34K searches/yr · $12.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $78K/yr market · 34K searches/yr · $12.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "1/8 Npt Tap — $78K/yr Amazon US Niche (2026) - Flapen"
---
# **1/8 npt tap**
**Skip it**
A small market ($78K/yr) — this niche doesn't clear our bar today.
Market size 19Growth 23Conversion 99Competition 20Returns 81Price range 36Avg price 51Brand share 29Review moat 60Quality gap 30
**Conversion**
**Incredible****18.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.7%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,083.08**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$12.07**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$4.84–$20.81**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-3.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$78K**
$78K/yr · 34K searches
According to Flapen's Amazon United States niche tracking, 1/8 npt tap is a $78K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 41/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **1/8 npt tap market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$72K–$97K**
- units × avg price
- **Conversion rate**
- **18.7%**
- **Avg BSR**
- **#9**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **2.1%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **—flat
**Sellers**
**44**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**8%**
- Drill America40% - RURITKIT22% - Aceteel9% - DECKRKAT8% - Century Drill & Tool8% - MorningRo4% - Open — no brand owns it (3 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 63 weeks — -3.7% search growth over the last 90 days.
800600Prime Day '25Spike '25 seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/1-8-npt-tap/trend)
## **Top 1/8 npt tap search terms**
- **1/8 npt tap**25K/yr-8.4%17.3% conv. - **1/8-27 npt tap**4K/yr+13.1%17.7% conv. - **1/8 npt tap and drill bit**3K/yr+15.9%23.6% conv. - **1/8 pipe tap**3K/yr-6.0%17.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/1-8-npt-tap/search-terms)
## **Top 1/8 npt tap 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%10%$8K20%$16K30%$23K40%$31K101001K10K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Drill America - POU1/8NPTW/DRILL 1/8 Carbon Steel NPT Pipe Tap and R High Speed Steel Drill Bit Set POU Series**Drill America**$9.02**4.6★3,785 rev](https://www.amazon.com/dp/B01M4RXY21) [2**RURITKIT 1/8-27 NPT Pipe Tap and R drill Set Carbon Steel Hand Threading Plumbing NPT Tap Set for Plumbers Mechanics DIY Thread cutting tools**RURITKIT**$9.86**4.4★203 rev](https://www.amazon.com/dp/B0F7QYRBP8) [3**Aceteel 1/8-27 Ti-Coated NPT Tap and R Drill Bit Set**Aceteel**$13.21**4.4★183 rev](https://www.amazon.com/dp/B0FK2YZRP5) [4**Drill America 1/8-27 NPT Pipe Tap Carbon Steel DWTPT Series**Drill America**$4.84**4.7★3,497 rev](https://www.amazon.com/dp/B01DZD1SRM) [5**Century Drill & Tool 93201 National Pipe Thread Tap & Drill Combo Pack**Century Drill & Tool**$12.02**4.6★1,915 rev](https://www.amazon.com/dp/B0797JWQ1R)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Aceteel 1/8-27 Ti-Coated NPT Tap and R Drill Bit Set**Aceteel**$13.21**183 rev11mo ago](https://www.amazon.com/dp/B0FK2YZRP5) [**DECKRKAT 2-Piece 1/8 NPT Pipe Tap - High Carbon Steel Pipe Threading Tool 27 Threads Per Inch Precision Internal Tap for Plumbers Mechanics & DIY with Protective Case.**DECKRKAT**$9.85**795 rev11mo ago](https://www.amazon.com/dp/B0FLVGGP4X) [**1/8-27 NPT Pipe Tap and R Drill Set M2 HSS Hand Threading Plumbing Tap**RURITKIT**$15.44**668 rev1y ago](https://www.amazon.com/dp/B0FFMGNBBV) [**ColumPRO 1/8-27 NPT Pipe Tap High-Speed Steel Thread Tap with AD+ Coating Heavy-Duty Threading Tool for Stainless Steel Brass PVC Metal**ColumPRO**$10.37**27 rev1y ago](https://www.amazon.com/dp/B0F87VQXJ9) [**RURITKIT 1/8-27 NPT Pipe Tap and R drill Set Carbon Steel Hand Threading Plumbing NPT Tap Set for Plumbers Mechanics DIY Thread cutting tools**RURITKIT**$9.86**203 rev1y ago](https://www.amazon.com/dp/B0F7QYRBP8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Aceteel 1/8-27 Ti-Coated NPT Tap and R Drill Bit Set**Aceteel**$13.21**4.4★**▲ 172%**](https://www.amazon.com/dp/B0FK2YZRP5) [**DECKRKAT 2-Piece 1/8 NPT Pipe Tap - High Carbon Steel Pipe Threading Tool 27 Threads Per Inch Precision Internal Tap for Plumbers Mechanics & DIY with Protective Case.**DECKRKAT**$9.85**4.6★**▲ 135%**](https://www.amazon.com/dp/B0FLVGGP4X) [**1/8 27 NPT Tapered Pipe Thread Tap High Speed Steel Pipe Thread Tap**LingGan**$8.04**4.7★**▲ 38%**](https://www.amazon.com/dp/B088R9N78K) [**5-Piece NPT Pipe Tap Set Precision Carbon Steel NPT Tap Set for Clean Accurate Threads 3/4 1/2 3/8 1/4 1/8 NPT Tap Perfect for Plumbers Mechanics DIYers with Durable Plastic Case**DECKRKAT**$20.81**4.6★**▲ 23%**](https://www.amazon.com/dp/B0C7H7TQQN) [**Drill America - POU1/8NPTW/DRILL 1/8 Carbon Steel NPT Pipe Tap and R High Speed Steel Drill Bit Set POU Series**Drill America**$9.02**4.6★**▲ 16%**](https://www.amazon.com/dp/B01M4RXY21)
**~~View all trending →~~**
## **What buyers say about 1/8 npt tap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**31%
*“Very well made”*
**Advertised Vs Actual Product**16%
*“Work better than expected”*
**Value For Money**15%
*“GReat value”*
**Size-Overall**11%
*“Good fit”*
**Sharpness**7%
*“Sharp n perfect”*
**Strength**6%
*“Solid Set”*
**Durability**2%
*“Worked and seems durable”*
**Ease Of Use**2%
*“Easy to use”*
**Efficiency**2%
*“It works for what I need it to”*
**Compatibility-Overall**2%
*“Worked great for my egt probe”*
### **What buyers complain about **
**Quality-Overall**22%
*“Very poor quality control”*
**Sharpness**13%
*“These would damage your part rather than cut threads”*
**Durability**11%
*“Twisted and broke in half”*
**Size-Overall**8%
*“The size is seem to be incorrect”*
**Strength**8%
*“bit dulled fast”*
**Functionality-Overall**7%
*“Does not work”*
**Product Condition**6%
*“unusable tool that had to be refurbished by a die to make work”*
**Precision Of Cut**6%
*“the tap would only cut about 1/4 before giving up”*
**Compatibility-Overall**3%
*“Tap Incompatible With NPT Threads”*
**Ease Of Use**2%
*“then it's too dull to use again”*
### **Top return reasons **
**Size-Overall**55%
**Defective Material/Parts**8%
**Advertised Vs Actual Product**7%
**Value For Money**7%
**Functionality-Overall**7%
**Compatibility-Overall**5%
**Quality-Overall**5%
**Product Condition**2%
**Sharpness**2%
**Material Quality**1%
## **Common questions**
- **Is 1/8 npt tap profitable to sell on Amazon United States?**
- The niche generates $78K/yr across 12 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.7%. Flapen's verdict: Skip it (41/100).
- **How competitive is the 1/8 npt tap niche?**
- 9 brands and 44 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in 1/8 npt tap?**
- Top complaints mined from reviews: Quality-Overall, Sharpness, Durability. The return rate is 1.7%.
- **When does demand for 1/8 npt tap peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the 1/8 npt tap niche?**
- Listings span $4.84–$20.81; the average listing price is $12.07 (sweet spot $15–$100). The average incumbent carries 1,083 reviews — the moat a new listing must climb.
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