--- title: "lock tight — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/lock-tight" last_updated: "2026-07-09T21:45:54.547Z" locale: en meta: description: "strong incumbent ratings (4.7★) — lock tight doesn't clear our bar today." "og:description": "strong incumbent ratings (4.7★) — lock tight doesn't clear our bar today." "og:title": "lock tight — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen" --- Back to Flapen home # **lock tight** **Skip it****49/100 ** strong incumbent ratings (4.7★) — lock tight doesn't clear our bar today. **Market/yr** **$649K** **Growth (1y)** **+122.6%** **Products** **18** **Brands** **8** was 8 a year ago **Sellers** **99** **Price range** **$5.45–$18.20** **Returns** **0.4%** **Rating** **4.7★** **Skip it** Scored 49/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **27** ×0.30 Growth **68** ×0.30 Competition **43** ×0.20 Quality gap **23** ×0.10 Returns **97** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +122.6% year over year. 31K16KJul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Sep · busiest ÷ quietest = 2.6× ## **Competition** - Loctite31% - Permatex16% - ESKONKE15% - GNEOCO13% - Hannaera9% - GH12008% - Other (2 brands)9% The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them. 8 brands and 99 sellers compete here. **Brands** **8 **—flat was 8 a year ago **Sellers** **99** **Top 5 brand share** **83%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts Bolts & Fasteners Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml 1 Pack](https://m.media-amazon.com/images/I/412UnQqkXVL.jpg) [**Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts Bolts & Fasteners Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml 1 Pack**](https://www.amazon.com/dp/B000I1RSNS) Loctite$6.624.8★42,77327%▼falling 2 ![Permatex 24200 Medium Strength Threadlocker Blue 6 ml Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion Removable With Hand Tools](https://m.media-amazon.com/images/I/41UNVEIzJlL.jpg) [**Permatex 24200 Medium Strength Threadlocker Blue 6 ml Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion Removable With Hand Tools**](https://www.amazon.com/dp/B0002UEMZ2) Permatex$5.454.7★8,96012%▲rising 3 ![GH1200-6gx2 Pack Thread Lock Medium and Strong Strength for Nuts Bolts and Metals Threadlocker Lock Tight & Seal Fasteners with Stable and Consistent Performance](https://m.media-amazon.com/images/I/41QZC7F-I-L.jpg) [**GH1200-6gx2 Pack Thread Lock Medium and Strong Strength for Nuts Bolts and Metals Threadlocker Lock Tight & Seal Fasteners with Stable and Consistent Performance**](https://www.amazon.com/dp/B0BZKGF4XQ) GH1200$7.034.7★2,0018%▼falling 4 ![2 Pack Thread Locker - Blue 243 (Medium) & Red 271 (High) - Metal Screw Locking Sealant for Bolts/Nuts/Fasteners - Prevents Loosening/Corrosion](https://m.media-amazon.com/images/I/51PKHD3hN3L.jpg) [**2 Pack Thread Locker - Blue 243 (Medium) & Red 271 (High) - Metal Screw Locking Sealant for Bolts/Nuts/Fasteners - Prevents Loosening/Corrosion**](https://www.amazon.com/dp/B0F2MKBJ3N) ESKONKE$10.034.6★4,5128%▲rising 5 ![ESKONKE Thread Locker Blue 243 - Removable Threadlocker Metal Glue for Nuts Bolts Fasteners Medium Strength Screw Compound to Prevent Loosening & Corrosion 1.69 Oz/50 ml](https://m.media-amazon.com/images/I/31HW9lZjj7L.jpg) [**ESKONKE Thread Locker Blue 243 - Removable Threadlocker Metal Glue for Nuts Bolts Fasteners Medium Strength Screw Compound to Prevent Loosening & Corrosion 1.69 Oz/50 ml**](https://www.amazon.com/dp/B0CHM5QS3N) ESKONKE$10.014.6★2,4027%▼falling 6 ![Nanoxa Thread Lock Blue and Red 50mlx2 Thread Locker Medium and High Strength Threadlocker Removable & Permanent for Nuts Bolts Fasteners and Metals to Prevent Loosening and Leakage](https://m.media-amazon.com/images/I/519WV4q3H5L.jpg) [**Nanoxa Thread Lock Blue and Red 50mlx2 Thread Locker Medium and High Strength Threadlocker Removable & Permanent for Nuts Bolts Fasteners and Metals to Prevent Loosening and Leakage**](https://www.amazon.com/dp/B0F3YZQC67) Nanoxa$9.414.7★4144%—flat 7 ![Thread Lock Blue Threadlocker Medium Strength Thread Locker for Nuts Bolts Fasteners and Metals Anaerobic Curing Screw Glue to Prevent Loosening (Blue (Removable))](https://m.media-amazon.com/images/I/41iiiHmLmeL.jpg) [**Thread Lock Blue Threadlocker Medium Strength Thread Locker for Nuts Bolts Fasteners and Metals Anaerobic Curing Screw Glue to Prevent Loosening (Blue (Removable))**](https://www.amazon.com/dp/B0F3DNYYSF) GNEOCO$6.424.6★3264%▼falling 8 ![Thread Lock Blue 1.69 Fl oz/50 ml Medium Strength Lock & Seal Nuts Bolts Fasteners and Metals Blue Threadlocker Against Losening and Leakage](https://m.media-amazon.com/images/I/517QE0nKg9L.jpg) [**Thread Lock Blue 1.69 Fl oz/50 ml Medium Strength Lock & Seal Nuts Bolts Fasteners and Metals Blue Threadlocker Against Losening and Leakage**](https://www.amazon.com/dp/B0C8Z81WQL) Hannaera$7.664.6★1,9294%—flat 9 ![ThreadLocker Blue Thread Lock Medium Strength Lock Tight for Nuts Bolts Fasteners and Metals Anaerobic Curing Metal Glue to Prevent Loosening and Corrosion (M243-50ml)](https://m.media-amazon.com/images/I/41ZVocHNswL.jpg) [**ThreadLocker Blue Thread Lock Medium Strength Lock Tight for Nuts Bolts Fasteners and Metals Anaerobic Curing Metal Glue to Prevent Loosening and Corrosion (M243-50ml)**](https://www.amazon.com/dp/B0CZ4H2ZDP) GNEOCO$6.884.7★9714%▼falling 10 ![Loctite 1329467 243 Blue Medium Strength Threadlockers 1.69 Ounces 50 mL 3/4 Thread](https://m.media-amazon.com/images/I/31jucFsAS+L.jpg) [**Loctite 1329467 243 Blue Medium Strength Threadlockers 1.69 Ounces 50 mL 3/4 Thread**](https://www.amazon.com/dp/B009I2UC3Q) Loctite$15.104.7★4,5804%▼falling 11 ![Thread Lock Blue and Red Threadlocker Medium and High Strength Thread Locker for Nuts Bolts Fasteners and Metals Against Losening and Leakage (50 mlx2)](https://m.media-amazon.com/images/I/51TJR8OBVxL.jpg) [**Thread Lock Blue and Red Threadlocker Medium and High Strength Thread Locker for Nuts Bolts Fasteners and Metals Against Losening and Leakage (50 mlx2)**](https://www.amazon.com/dp/B0DPM5NWRL) Hannaera$9.974.7★1,0144%▼falling 12 ![2 Pack Thread Locker Blue and Red 6mlx2 - Medium and Strong StrengthThreadlocker Metal Glue for Nuts Bolts Fasteners - Prevent Loosening/Corrosion (Blue and Red 6ml*2)](https://m.media-amazon.com/images/I/51Iz+S+ZOkL.jpg) [**2 Pack Thread Locker Blue and Red 6mlx2 - Medium and Strong StrengthThreadlocker Metal Glue for Nuts Bolts Fasteners - Prevent Loosening/Corrosion (Blue and Red 6ml*2)**](https://www.amazon.com/dp/B0GCLBRL6Z) GNEOCO$6.074.6★753%▲rising 13 ![EPASUN Threadlocker Blue and Red 50mlx2 Thread Lock Medium and Strong Strength Lock Tight for Nuts Bolts Fasteners and Metals to Prevent Loosening and Corrosion](https://m.media-amazon.com/images/I/51vA7m6L4zL.jpg) [**EPASUN Threadlocker Blue and Red 50mlx2 Thread Lock Medium and Strong Strength Lock Tight for Nuts Bolts Fasteners and Metals to Prevent Loosening and Corrosion**](https://www.amazon.com/dp/B0DS28H6HY) EPASUN$9.564.8★2363%▲rising 14 ![Permatex 24240 Medium Strength Threadlocker Blue 36 ml Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion Removable With Hand Tools](https://m.media-amazon.com/images/I/41jmqeLuOfL.jpg) [**Permatex 24240 Medium Strength Threadlocker Blue 36 ml Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion Removable With Hand Tools**](https://www.amazon.com/dp/B000AANXJ0) Permatex$18.204.7★8,9603%—flat 15 ![EPASUN 50ml Threadlocker Blue M243 Thread Lock Medium Strength Lock Tight for Nuts Bolts Fasteners and Metals to Prevent Loosening and Corrosion](https://m.media-amazon.com/images/I/41ytL8L2jAL.jpg) [**EPASUN 50ml Threadlocker Blue M243 Thread Lock Medium Strength Lock Tight for Nuts Bolts Fasteners and Metals to Prevent Loosening and Corrosion**](https://www.amazon.com/dp/B0DCJVZ2N5) EPASUN$6.774.7★1422%▲rising **~~Showing 15 of 18 — show all ~~** ## **Product shelf** All 18 tracked products in this niche. Top sellersNewestTrending [![Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts Bolts & Fasteners Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml 1 Pack](https://m.media-amazon.com/images/I/412UnQqkXVL.jpg)**Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts Bolts & Fasteners Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml 1 Pack** Loctite**$6.62**4.8★42,773 reviews](https://www.amazon.com/dp/B000I1RSNS) [![Permatex 24200 Medium Strength Threadlocker Blue 6 ml Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion Removable With Hand Tools](https://m.media-amazon.com/images/I/41UNVEIzJlL.jpg)**Permatex 24200 Medium Strength Threadlocker Blue 6 ml Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion Removable With Hand Tools** Permatex**$5.45**4.7★8,960 reviews](https://www.amazon.com/dp/B0002UEMZ2) [![GH1200-6gx2 Pack Thread Lock Medium and Strong Strength for Nuts Bolts and Metals Threadlocker Lock Tight & Seal Fasteners with Stable and Consistent Performance](https://m.media-amazon.com/images/I/41QZC7F-I-L.jpg)**GH1200-6gx2 Pack Thread Lock Medium and Strong Strength for Nuts Bolts and Metals Threadlocker Lock Tight & Seal Fasteners with Stable and Consistent Performance** GH1200**$7.03**4.7★2,001 reviews](https://www.amazon.com/dp/B0BZKGF4XQ) [![2 Pack Thread Locker - Blue 243 (Medium) & Red 271 (High) - Metal Screw Locking Sealant for Bolts/Nuts/Fasteners - Prevents Loosening/Corrosion](https://m.media-amazon.com/images/I/51PKHD3hN3L.jpg)**2 Pack Thread Locker - Blue 243 (Medium) & Red 271 (High) - Metal Screw Locking Sealant for Bolts/Nuts/Fasteners - Prevents Loosening/Corrosion** ESKONKE**$10.03**4.6★4,512 reviews](https://www.amazon.com/dp/B0F2MKBJ3N) [![ESKONKE Thread Locker Blue 243 - Removable Threadlocker Metal Glue for Nuts Bolts Fasteners Medium Strength Screw Compound to Prevent Loosening & Corrosion 1.69 Oz/50 ml](https://m.media-amazon.com/images/I/31HW9lZjj7L.jpg)**ESKONKE Thread Locker Blue 243 - Removable Threadlocker Metal Glue for Nuts Bolts Fasteners Medium Strength Screw Compound to Prevent Loosening & Corrosion 1.69 Oz/50 ml** ESKONKE**$10.01**4.6★2,402 reviews](https://www.amazon.com/dp/B0CHM5QS3N) [![Nanoxa Thread Lock Blue and Red 50mlx2 Thread Locker Medium and High Strength Threadlocker Removable & Permanent for Nuts Bolts Fasteners and Metals to Prevent Loosening and Leakage](https://m.media-amazon.com/images/I/519WV4q3H5L.jpg)**Nanoxa Thread Lock Blue and Red 50mlx2 Thread Locker Medium and High Strength Threadlocker Removable & Permanent for Nuts Bolts Fasteners and Metals to Prevent Loosening and Leakage** Nanoxa**$9.41**4.7★414 reviews](https://www.amazon.com/dp/B0F3YZQC67) [![Thread Lock Blue Threadlocker Medium Strength Thread Locker for Nuts Bolts Fasteners and Metals Anaerobic Curing Screw Glue to Prevent Loosening (Blue (Removable))](https://m.media-amazon.com/images/I/41iiiHmLmeL.jpg)**Thread Lock Blue Threadlocker Medium Strength Thread Locker for Nuts Bolts Fasteners and Metals Anaerobic Curing Screw Glue to Prevent Loosening (Blue (Removable))** GNEOCO**$6.42**4.6★326 reviews](https://www.amazon.com/dp/B0F3DNYYSF) [![Thread Lock Blue 1.69 Fl oz/50 ml Medium Strength Lock & Seal Nuts Bolts Fasteners and Metals Blue Threadlocker Against Losening and Leakage](https://m.media-amazon.com/images/I/517QE0nKg9L.jpg)**Thread Lock Blue 1.69 Fl oz/50 ml Medium Strength Lock & Seal Nuts Bolts Fasteners and Metals Blue Threadlocker Against Losening and Leakage** Hannaera**$7.66**4.6★1,929 reviews](https://www.amazon.com/dp/B0C8Z81WQL) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Value For Money**20% *“Excellent value”* **Quality-Overall**18% *“Reliable Product”* **Advertised Vs Actual Product**17% *“True to description”* **Efficiency**9% *“Working good”* **Ease Of Use**7% *“easy to apply”* **Color**4% *“And the two colors are for a reason”* **Strength**3% *“It has holding power”* **Durability**3% *“Its materials were of good/excellent quality/durability (1 star)”* **Size-Overall**2% *“Great size”* **Adhesion/Stickiness**2% *“Sticky and worth the money”* ### **What buyers complain about ** **Size-Overall**14% *“Small”* **Functionality-Overall**9% *“Work just shut”* **Quality-Overall**9% *“Needs better quality control”* **Adhesion/Stickiness**9% *“It doesn't stick at all”* **Ease Of Use**8% *“Not Useable”* **Thickness**7% *“very thin liquid”* **Leak-Proof**6% *“Bottle leaked before I received it”* **Advertised Vs Actual Product**4% *“Not what is advertised”* **Instructions/User Manual/Troubleshooting**3% *“The instructions for use had been largely stripped off the back of the cardboard”* **Durability**3% *“breakable when you need to”* #### **Top return reasons**- Advertised Vs Actual Product19% - Value For Money12% - Size-Overall12% - Leak-Proof11% - Functionality-Overall9% - Adhesion/Stickiness6% - Color6% - Product Condition5% - Defective Material/Parts3% - Compatibility-Overall2%