---
title: "5/16 Drill Bits — $145K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/5-16-drill-bits"
last_updated: "2026-08-08T11:40:19.571Z"
locale: en
meta:
description: "Niche score 55/100 · $145K/yr market · 59K searches/yr · $14.78 avg price. Soft demand (+2.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $145K/yr market · 59K searches/yr · $14.78 avg price. Soft demand (+2.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "5/16 Drill Bits — $145K/yr Amazon US Niche (2026) - Flapen"
---
# **5/16 drill bits**
**Worth a look**
Shows searches that convert (16.6% search→purchase), but soft demand (+2.9% this quarter) keeps it on the watch list.
Market size 31Growth 29Conversion 98Competition 52Returns 92Price range 56Avg price 73Brand share 73Review moat 44Quality gap 32
**Conversion**
**Incredible****16.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****61%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Good****$14.78**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.02–$29.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,110.69**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$145K**
$145K/yr · 59K searches
**Growth**
**Okay****+2.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 5/16 drill bits is a $145K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 61% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **5/16 drill bits market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$118K–$148K**
- units × avg price
- **Conversion rate**
- **16.6%**
- **Avg BSR**
- **#87**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**42**
**Top-5 brand share**
**61%**
Top 20: 99%
**Top-5 click share**
**54%**
Top 20: 95%
**Open market**
**33%**
- Bosch22% - DEWALT12% - Narwhal11% - amoolo9% - Drill Hulk7% - RCINDUS6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.
1K750Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/5-16-drill-bits/trend)
## **Top 5/16 drill bits search terms**
- **5/16 drill bit**47K/yr+6.7%11.2% conv. - **5/16 drill bit for metal**7K/yr-18.2%17.1% conv. - **5/16 cobalt drill bit**3K/yr+8.7%15.1% conv. - **5/16 drill bits**3K/yr-5.1%16.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/5-16-drill-bits/search-terms)
## **Top 5/16 drill bits 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%5%$7K10%$15K15%$22K20%$29K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Bosch CO2147B 5/16 in. X 4-1/2 in. Cobalt M42 Drill Bit**Bosch**$7.11**4.6★7,163 rev](https://www.amazon.com/dp/B07Q64LTF8) [2**DEWALT Drill Bit Set 3-Flats Shank 14-Piece 135 Degree Split Point for Plastic Wood and Metal (DWA1184)**DEWALT**$14.14**4.8★20,301 rev](https://www.amazon.com/dp/B07DH55YRX) [3**Narwhal 5/16 Inch Cobalt Drill Bits (3 Pack - Industrial Grade M35 Cobalt) 4-5/8 Length & 135 Degree Split Point for Drilling Into Metal Hardened & Stainless Steel Cast Iron & More!**Narwhal**$11.54**4.4★950 rev](https://www.amazon.com/dp/B0DPGKPG9G) [4**amoolo 5/16 Cobalt Drill Bit 10pcs**amoolo**$27.57**4.5★4,228 rev](https://www.amazon.com/dp/B08VS4VWZJ) [5**5/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal Stainless Steel Pack of 6**Drill Hulk**$25.23**4.6★2,855 rev](https://www.amazon.com/dp/B083G2DF97)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**QWORK 5/16 Inch Cobalt Drill Bits 3 Pcs M35 Industrial Grade 5% Cobalt 135 Degree Split Point Fully Ground Metal Drill Bit Set for Stainless Steel Hardened Steel Cast Iron Titanium**QWORK**$8.38**3 rev8mo ago](https://www.amazon.com/dp/B0G4CSLCTL) [**5/166 Professional Auger Drill Bit for Wood with Quick Change 1/4 Hex Shank- 3-Cutter Design with Dual-Flute for Fast Chip Removal Fits Hardwood Softwood PVC Drywall & Tree Stumps**METOTY**$4.02**120 rev10mo ago](https://www.amazon.com/dp/B0FS64QQPR) [**CoCud Drill Bit 5/16 Cutting Diameter (7.938mm) 4241 HSS Jobber Bits Black and Gold 118 Cutting Angle Versatile - (Applications: for Drilling Plastic Wood Soft Thin Metal) 2-Pieces**CoCud**$6.10**17 rev1y ago](https://www.amazon.com/dp/B0FFHCYQKV) [**METALLIXITY Drill Bit (5/16) 2Pcs 4241 High-Speed Steel Straight Shank Gold Finish 135 for Wood Plastic Iron Copper Aluminum Low Soft Metal**METALLIXITY**$6.20**19 rev1y ago](https://www.amazon.com/dp/B0F9NFPKB1) [**5/16 Inch Drill Bit (3 Pack) Industrial Grade M35 Cobalt Titanium Aluminum Nitrite - 5/16 Diameter & Total Length of 4 with Working Length of 2-3/4 Easily Drill Into Metal Steel & Aluminum**Yellow Paw**$13.80**1,581 rev1y ago](https://www.amazon.com/dp/B0DK44SY6B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**5/166 Professional Auger Drill Bit for Wood with Quick Change 1/4 Hex Shank- 3-Cutter Design with Dual-Flute for Fast Chip Removal Fits Hardwood Softwood PVC Drywall & Tree Stumps**METOTY**$4.02**4.5★**▲ 226%**](https://www.amazon.com/dp/B0FS64QQPR) [**QWORK 5/16 Inch Cobalt Drill Bits 3 Pcs M35 Industrial Grade 5% Cobalt 135 Degree Split Point Fully Ground Metal Drill Bit Set for Stainless Steel Hardened Steel Cast Iron Titanium**QWORK**$8.38**5.0★**▲ 165%**](https://www.amazon.com/dp/B0G4CSLCTL) [**KENDO 5/16 Inch Cobalt Drill Bits (13pcs) M35 High Speed Steel 135 Degree Tip Jobber Length Twist Drill Bit Set for Hard Metal Stainless Steel Cast Iron Wood and Plastic with Storage Case**Kendo**$19.68**4.5★**▲ 123%**](https://www.amazon.com/dp/B0CP6S1H5Q) [**JEFE HEX 5/16-Inch High Speed Steel with 3-Flat Shanks Black & Gold Finished Jobber Length Twist Drill Bit 135 Degree Split Point (2-Piece)**JEFE HEX**$7.43**4.4★**▲ 82%**](https://www.amazon.com/dp/B0918YLDKG) [**Klein Tools 32768 Impact Driver Set 3-in-1 SAE Impact Socket and Bit Holder Flip Socket with Nut Drivers in 1/4 and 5/16 Hex Sizes 3 and 5-Inch Lengths 2-Piece**KLEIN TOOLS**$16.06**4.5★**▲ 76%**](https://www.amazon.com/dp/B09Q52LQ5G)
**~~View all trending →~~**
## **What buyers say about 5/16 drill bits**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**38%
*“Good quality”*
**Value For Money**11%
*“Great deal”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Durability**7%
*“very durable”*
**Sharpness**6%
*“These are real good and sharp”*
**Precision Of Cut**5%
*“These are real good and sharp”*
**Size-Overall**4%
*“Correct sizing”*
**Ease Of Use**4%
*“Very Convenient to have these around”*
**Strength**2%
*“They feel sturdier”*
**Compactness**2%
*“The case is compact and organized, making it easy to grab the size you need”*
### **What buyers complain about **
**Quality-Overall**27%
*“Quality not good”*
**Durability**17%
*“Broke”*
**Value For Money**7%
*“A bit pricey”*
**Advertised Vs Actual Product**7%
*“Deceptive advertising, delivers round shank, not 3-flat shank drill bits”*
**Adhesion/Stickiness**7%
*“The drill bits themselves feel sticky to touch”*
**Add-Ons/Attachments**7%
*“top attachment falls off easy”*
**Product Condition**7%
*“shows signs of wear”*
**Functionality-Overall**7%
*“The all in one did not work for me”*
**Material Quality**7%
*“plastic just want to say”*
**Precision Of Cut**3%
*“theyre not sharp or hard enough to drill mild steel”*
### **Top return reasons **
**Size-Overall**29%
**Compatibility-Overall**26%
**Defective Material/Parts**11%
**Value For Money**10%
**Functionality-Overall**4%
**Advertised Vs Actual Product**4%
**Durability**3%
**Material Quality**2%
**Sharpness**2%
**Quality-Overall**2%
## **Common questions**
- **Is 5/16 drill bits profitable to sell on Amazon United States?**
- The niche generates $145K/yr across 26 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the 5/16 drill bits niche?**
- 21 brands and 42 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 61% of demand.
- **What do buyers complain about in 5/16 drill bits?**
- Top complaints mined from reviews: Quality-Overall, Durability, Value For Money. The return rate is 1.2%.
- **When does demand for 5/16 drill bits peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the 5/16 drill bits niche?**
- Listings span $4.02–$29.07; the average listing price is $14.78 (sweet spot $15–$100). The average incumbent carries 2,111 reviews — the moat a new listing must climb.
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