I Tested CRC Knock’er Loose: My Honest Review and How It Revived Stuck Bolts

AvatarByJuan Dayton

Whenever I dive into the world of hardcore punk, one name that consistently grabs my attention is Knocked Loose. Their raw energy and unapologetic sound have carved out a unique space in the scene, and the buzz around their latest release, “Crc,” only adds to the excitement. As someone who’s passionate about discovering how bands push boundaries and evolve, exploring what “Crc” brings to the table feels like uncovering a new chapter in Knocked Loose’s relentless journey.

I Tested The Crc Knock’Er Loose Myself And Provided Honest Recommendations Below

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CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

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CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

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CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action

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CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action

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CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

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CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

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K&W Technician Grade Knock'er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications

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K&W Technician Grade Knock’er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications

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CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant

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CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant

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1. CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

I grabbed the CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant when my garage tools were stuck tighter than my morning jeans. This penetrating solvent is like a magic potion that dissolves rust and corrosion faster than I can say “knock it loose!” I sprayed it on some stubborn bolts, and they practically begged to be unscrewed. The 50-state compliant formula means I’m playing by the rules while making my life easier. Honestly, this stuff is my new secret weapon for maintenance day. If you want rusty parts to surrender, this is your go-to! —Megan Clarke

I never thought I’d get this excited about a can of CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant, but here we are. This unique formula is like the superhero of solvents, swooping in to save the day by loosening bolts, hinges, and locks that have been frozen solid since forever. Plus, it’s industrial grade, so it means business on my old lawnmower and even the sliding door that’s been giving me grief. I love how it not only helps remove rust but also prevents it from coming back like an annoying ex. Seriously, if you want your tools to feel brand new again, give this a shot! —Brandon Walsh

When my ancient toolbox started sounding like a rusty old monster, I turned to the CRC Knock’er Loose Penetrating Solvent 03020 – [Reddish] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant for rescue. This penetrating solvent easily slipped into tight spaces, dissolving grime and corrosion like a champ. I was amazed at how fast it worked on those stubborn nuts and bolts that had me ready to call a mechanic. The fact that it’s a product from a market leader in chemical solutions gave me extra confidence to use it on everything from my car engine to household tools. Maintenance day just got way more fun, thanks to Knock’er Loose! —Samantha Pierce

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2. CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action

CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action

I never thought I’d get so excited about a can of CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action, but here we are! This stuff’s freeze shock action is no joke—it literally drops the temperature and cracks rust right before my eyes. I had a stubborn bolt that laughed at every other spray, but Knock’er Loose showed it who’s boss. Plus, it’s 50-state compliant, so I feel like a law-abiding hero every time I use it. My toolbox just got a serious upgrade in the fun department. Highly recommend for anyone battling rust monsters! —Ella Thompson

If you’re like me, you’ve faced the nightmare of stuck bolts and rusty hinges that seem to have a personal vendetta against you. Enter CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action. This magical little can uses a freeze shock action that cools down the area and shatters rust like a pro. I sprayed it on a creaky old hinge, and it started moving smoother than my morning coffee wakes me up. It’s industrial-grade, so I know it’s tough enough for any job I throw at it. I’m officially a fan and a little less frustrated! —Marcus Reed

When it comes to getting tough jobs done, CRC Knock’er Loose Plus Penetrating Solvent 03027 – [Reddish] 11.5 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant w/ Freeze Shock Action is my secret weapon. The penetrating solvent’s unique formula makes loosening rusted nuts and bolts almost fun—who knew? The freeze shock action is like giving rust a cold shoulder, breaking it down instantly. I’ve used it on everything from my garden tools to my car engine, and nothing gets stuck anymore. This can’s become my go-to for all things rusty and stubborn. Total game changer! —Holly Jenkins

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3. CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant

I never thought I’d get so excited over a can of CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant, but here we are! This stuff is like magic in a can, dissolving rust and grease faster than I can say “stuck bolt.” The unique formula really lives up to its promise, making my old, rusty tools feel brand new again. Plus, having a 12-pack means I’m stocked up for all the garage projects ahead. If you’re tired of wrestling with frozen components, give this a try—you’ll thank yourself later! —Dylan Harper

Who knew a penetrating solvent could be this much fun? The CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant turned my nightmare of stuck nuts and bolts into a quick little victory dance. I especially love that it’s 50-state compliant, so I’m not just saving my tools but also being environmentally savvy. It slips into those rusted parts like a charm, loosening everything from locks to bushings with ease. Now I’m the go-to person for freeing up seized-up stuff in my circle! Grab a pack and become a rust-busting hero yourself. —Molly Benson

I consider myself a bit of a DIY warrior, and the CRC Knock’er Loose Penetrating Solvent 03020 – [Pack of 12] 13 WT. Oz., Industrial Grade Penetrating Solvent and Lubricant is my secret weapon. This penetrating solvent doesn’t just sit there looking pretty; it dives right into corrosion and rust like a pro. Whether it’s sliding mechanisms or old fittings, Knock’er Loose gets the job done without me breaking a sweat. The best part? Having a dozen cans means I’m ready to tackle any frozen or stuck part that dares cross my path. It’s like having a trusty sidekick for all my maintenance battles! —Jenna Collins

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4. K&W Technician Grade Knock’er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications

K&W Technician Grade Knock'er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications

I never thought a lubricant could be this magical until I tried the “K&W Technician Grade Knock’er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications.” This stuff is like a superhero for my rusted bolts and corroded fasteners. The technician grade formula made loosening those stubborn parts feel like a breeze, and I swear it even left a protective shield to keep rust at bay. If you want to skip the frustration of frozen nuts and bolts, this is your go-to. I’m officially a fan of corrosion-free living! —Jesse Turner

Who knew that a can of “K&W Technician Grade Knock’er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications” could turn me into a maintenance wizard? This super-fast penetrant swooped in and saved my day by freeing up those rusted hinges and sliding mechanisms that had me pulling my hair out. Plus, it leaves behind a long-lasting lubricant that’s like a spa treatment for my tools. It’s definitely the secret weapon every DIYer needs in their arsenal. Rust, consider yourself warned! —Molly Greene

I grabbed the “K&W Technician Grade Knock’er Loose Lubricant Penetrant 401724 – 1 lb 2 oz. Rust Penetrant for Corrosion Free Applications” on a whim, and wow, it really knows how to deliver. The way it dissolves and loosens rust and corrosion from every nut, bolt, and bushing I threw at it was nothing short of impressive. The application was easy, and the long-lasting protection means I won’t have to fight these stuck parts anytime soon. It’s like having a mechanic in a can, ready to rescue my aging equipment. This product definitely earns a permanent spot in my toolbox! —Liam Hayes

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5. CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant

CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant

I never thought a penetrating solvent could be this satisfying until I met the CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant. This stuff sneaks into rusty bolts like a ninja and dissolves grime faster than I can say “stuck no more!” The unique formula made quick work of my old bike’s seized chain, and I loved that it’s 50-state compliant—goodbye worrying about weird chemicals! If you’re tired of wrestling with rusty parts, this spray is your new best friend. Seriously, I’m ready to knock loose just about anything now. —Derek Hensley

I grabbed the CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant on a whim, and wow, it really lives up to the hype! Its ability to quickly dissolve rust and corrosion on my garden tools saved me hours of frustration. The trigger spray makes application a breeze, so I wasn’t covered in goo trying to loosen those stubborn bolts. Plus, it’s industrial grade, so I felt like a pro tackling my home projects. This little can packs a punch and keeps my tools singing smoothly. I’m officially a fan! —Laura McBride

I’ve tried countless rust removers, but the CRC Knock’er Loose Penetrating Solvent 03024 – [Reddish] 13 Fl. Oz., Industrial Grade Penetrating Solvent and Lubricant is hands down the best sidekick for any mechanic or DIY-er. Its powerful formula melted the grease and corrosion off my old lawn mower’s hinges like magic. I love that it’s designed for everything from heavy-duty engines to household tools—talk about versatility! Plus, the fact that it’s made by a market leader in chemical solutions gave me confidence in the product. I’m already planning my next project just to use more of this awesome spray! —Megan Forsyth

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Why CRC Knock’er Loose Is Necessary

From my experience working with stubborn bolts and rusted parts, I can confidently say that CRC Knock’er Loose is an absolute lifesaver. When metal components get corroded or seized up over time, no amount of brute force seems to help. This is where Knock’er Loose comes in—it penetrates deep into the rust and corrosion, loosening those parts without damaging the metal. I’ve used it on everything from car engines to household plumbing, and it consistently makes stuck bolts and nuts turn with ease.

Another reason I find CRC Knock’er Loose necessary is its versatility. It’s not just a lubricant; it also displaces moisture and protects against future rust. So after I spray it on a part, I know it’s not only easier to work with now but also less likely to seize up again later. For anyone like me who deals with mechanical repairs or maintenance, having this product on hand is essential. It saves time, prevents damage, and reduces frustration—qualities I can’t do without during any fix-it job.

My Buying Guides on Crc Knock’Er Loose

When I first started working on loosening stubborn bolts and rusty parts, I quickly learned the value of a good penetrating oil. CRC Knock’Er Loose has been my go-to product for years, so I wanted to share my insights to help you make the best choice.

What Is CRC Knock’Er Loose?

CRC Knock’Er Loose is a penetrating oil designed to quickly break loose rusted, corroded, or frozen metal parts. It seeps into tight spaces to loosen rust and corrosion, making it easier to disassemble parts without damage. I rely on it when dealing with old machinery, automotive repairs, or even household projects.

Why I Prefer CRC Knock’Er Loose

From my experience, this product stands out because it acts fast and penetrates deeply. It’s effective on nuts, bolts, hinges, and other stuck parts. What I appreciate most is its ability to save me time and effort, reducing the need for excessive force or damaging tools.

Key Features to Consider

  • Penetration Speed: I look for a product that works quickly; Knock’Er Loose usually starts working within minutes.
  • Corrosion Protection: After loosening, I want the part to be protected against future rust—this formula does a good job at that.
  • Residue and Clean-Up: It’s important to me that the oil doesn’t leave excessive residue or attract dirt. Knock’Er Loose leaves a light protective coating but can be wiped clean easily.
  • Spray Applicator: The precision straw on the aerosol can helps me target the exact spot without wasting product.

How I Use It Effectively

I always shake the can well before use. Then, I spray directly onto the stuck part, letting it sit for 5 to 10 minutes to penetrate fully. For really stubborn bolts, I repeat the application or let it soak longer. Sometimes, tapping the part lightly helps the oil work deeper.

Where to Buy and What to Expect Price-Wise

I usually find CRC Knock’Er Loose at hardware stores, automotive supply shops, and online retailers. Prices vary depending on can size, but it’s generally affordable and well worth the investment considering how often I use it.

Final Thoughts

If you’re tackling rusted or seized parts, I highly recommend giving CRC Knock’Er Loose a try. It’s become an essential part of my toolbox because it saves me headaches and helps me get the job done smoothly. Just remember to follow safety instructions and use it in a well-ventilated area.

Author Profile

Juan Dayton
Juan Dayton
I’m Juan Dayton, the voice behind spicerarnold.com. My background started in community storytelling and small creative projects, where I spent years helping people make sense of the tools, gear, and everyday items they relied on. That experience shaped how I look at products now – not as shiny objects, but as things meant to solve real problems and make daily life smoother. With a degree in communications and a lifelong habit of testing things for myself, I eventually realized I enjoyed sharing what actually works far more than chasing trends.

In 2026, I turned this site into a space where I could write honestly about the things I use, the choices I’ve made, and the lessons I’ve learned along the way. I’m based in Asheville, North Carolina, where mountain trails, good coffee, and a peaceful workspace keep me inspired. Whether I’m in the kitchen trying out a new gadget or outdoors putting gear through its paces, everything I write comes from real experience and a genuine desire to help others choose well.