metal hole filler
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Great11.8%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.42avg listing price — sweet spot $15–$100
Growth
Good+31.3%90-day search growth — must beat 0% to launch
Market size
Good$338K$338K/yr · 198K searches
Price range
Good$5.81–$25.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad7,747.6avg incumbent reviews — the moat a new listing must climb
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, metal hole filler is a $338K/yr Amazon United States market (198K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
metal hole filler market data
- Units sold / yr
- 25K–30K
- avg 4,000–5,000/product
- Revenue / yr
- $361K–$433K
- units × avg price
- Conversion rate
- 11.8%
- Avg BSR
- #19
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 0.0%
- Avg brand age
- 56 months
- Avg seller age
- 155 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
60
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- J-B Weld80%
- 3M13%
- EVERCOAT Body Shop4%
- Permatex4%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 44 weeks — +31.3% search growth over the last 90 days.Top metal hole filler search terms
- jb weld steel stick29K/yr
- metal filler19K/yr
- liquid steel13K/yr
- steel stick14K/yr
- metal hole filler16K/yr
- jb weld putty12K/yr
- metal putty10K/yr
- bondo metal reinforced filler8K/yr
- metal filler putty8K/yr
- metal epoxy putty5K/yr
Top metal hole filler 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 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz.
J-B Weld$5.814.6★17,467 rev
J-B Weld SteelStik 1 Hour Cure Steel Reinforced Epoxy Putty Stick - 2 Pack Dark Grey (8267-2)
J-B Weld$11.534.6★17,467 rev
Bondo Metal Reinforced Filler - High Strength Filler Can be Drilled and Tapped - Will Not Rust 15 Fl oz with 0.37 oz Hardener
3M$25.214.6★1,754 rev
Evercoat Body Shop 105013 Metal Reinforced Filler for Repairing Rust and Holes in Aluminum & Galvanized Steel Corrosion Resistance & Longevity Easy Mix Hardener Included 13 Fl Oz.
EVERCOAT Body Shop$23.364.4★84 rev
Permatex 25909 Liquid Metal Filler 3.5 oz.
Permatex$6.184.4★1,966 rev
Newest
by launch dateEvercoat Body Shop 105013 Metal Reinforced Filler for Repairing Rust and Holes in Aluminum & Galvanized Steel Corrosion Resistance & Longevity Easy Mix Hardener Included 13 Fl Oz.
EVERCOAT Body Shop$23.3684 rev
J-B Weld SteelStik 1 Hour Cure Steel Reinforced Epoxy Putty Stick - 2 Pack Dark Grey (8267-2)
J-B Weld$11.5317,467 rev
Bondo Metal Reinforced Filler - High Strength Filler Can be Drilled and Tapped - Will Not Rust 15 Fl oz with 0.37 oz Hardener
3M$25.211,754 rev
J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz.
J-B Weld$5.8117,467 rev
Permatex 25909 Liquid Metal Filler 3.5 oz.
Permatex$6.181,966 rev
Trending
90-day click momentumJ-B Weld SteelStik 1 Hour Cure Steel Reinforced Epoxy Putty Stick - 2 Pack Dark Grey (8267-2)
J-B Weld$11.534.6★
Bondo Metal Reinforced Filler - High Strength Filler Can be Drilled and Tapped - Will Not Rust 15 Fl oz with 0.37 oz Hardener
3M$25.214.6★
J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz.
J-B Weld$5.814.6★
Evercoat Body Shop 105013 Metal Reinforced Filler for Repairing Rust and Holes in Aluminum & Galvanized Steel Corrosion Resistance & Longevity Easy Mix Hardener Included 13 Fl Oz.
EVERCOAT Body Shop$23.364.4★
Permatex 25909 Liquid Metal Filler 3.5 oz.
Permatex$6.184.4★
What buyers say about metal hole filler
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“its nearly always served its purpose pretty well”
“Easy to use”
“Very strong”
“Works as advertised”
“Way more durable than simple Bondo”
“This stuff adheres well and sands smooth”
“Easy fix”
“Solid Product for the Price”
“Drys fast and ready for paint within 20 mins”
What buyers complain about
“similar to clay, reinforcement is very minimal didnt work for me”
“Tough as it can be”
“Expensive”
“Stick”
“To thin”
“then broke off with little pressure when the gate closed”
“They can could have been bigger”
“Not as easy to use as the previous two tube I used before”
“Smells terrible”
“Havent used the app”
Top return reasons
Common questions
- Is metal hole filler profitable to sell on Amazon United States?
- The niche generates $338K/yr across 5 tracked products. 90-day search growth is +31.3%. Flapen's verdict: Skip it (47/100).
- How competitive is the metal hole filler niche?
- 4 brands and 60 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in metal hole filler?
- Top complaints mined from reviews: Functionality-Overall, Hard Feel, Value For Money. The return rate is 0.5%.
- What does it cost to enter the metal hole filler niche?
- Listings span $5.81–$25.21; the average listing price is $14.42 (sweet spot $15–$100). The average incumbent carries 7,748 reviews — the moat a new listing must climb.