{"id":3512,"date":"2026-10-09T13:04:32","date_gmt":"2026-10-09T05:04:32","guid":{"rendered":"http:\/\/www.imprintcg.com\/blog\/?p=3512"},"modified":"2026-10-09T13:04:32","modified_gmt":"2026-10-09T05:04:32","slug":"how-can-i-dispose-of-old-grease-fittings-properly-4032-06711f","status":"publish","type":"post","link":"http:\/\/www.imprintcg.com\/blog\/2026\/10\/09\/how-can-i-dispose-of-old-grease-fittings-properly-4032-06711f\/","title":{"rendered":"How can I dispose of old grease fittings properly?"},"content":{"rendered":"

Hey everyone, let\u2019s cut to the chase\u2014if you\u2019re reading this, chances are you\u2019ve got a stash of old grease fittings sitting around: maybe they pulled them off a worn-out piece of heavy equipment at your shop, maybe replaced the wrong size for a renovation job, or maybe you ordered a bulk box and ended up with a bunch you\u2019ll never use. As a grease fittings supplier, I see this all the time from mechanics, construction crews, and even random folks who clean out their garages. And let\u2019s be real\u2014tossing \u2018em in the trash or pouring leftover grease down the drain? That\u2019s not just lazy, it\u2019s bad for the planet. I\u2019ve worked with grease fittings and lubrication gear for 8 years now, so I\u2019ve messed up the disposal game too (once dumped a bucket of old used grease in a shop\u2019s outdoor drain, got a $1,200 fine\u2014oops, never again). Today I\u2019m breaking down exactly how to dispose of old grease fittings\u2014both the metal parts and the leftover grease in \u2018em\u2014like a pro, no fancy corporate jargon required. Grease Fittings<\/a><\/p>\n

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First, let\u2019s get one thing straight: grease fittings aren\u2019t just metal nipples with a grease hole. Most standard ones (the zerk fittings, that\u2019s what us in the biz call \u2018em) are made of steel, often coated with a thin zinc layer for rust resistance. The grease inside is usually lithium-based, sometimes calcium, and has nasty additives like extreme-pressure (EP) agents or anti-wear chemicals\u2014stuff that doesn\u2019t belong in landfills or water systems. So you can\u2019t just toss \u2018em in your regular trash bin and call it a day. Let\u2019s split this into two parts: the physical fitting itself, and the old grease clinging to it.<\/p>\n

Start with emptying the grease out first, trust me\u2014this makes recycling way easier and avoids gunk all over your trash bags. If you\u2019ve got individual old fittings (not a huge bulk bucket), grab an old rag or paper towel, set the fitting on top, and use a small flathead screwdriver or pliers to gently work the old grease out of the end where the grease gun nozzle connects. Wear gloves here\u2014grease stains like crazy, and I\u2019ve had grease soak through two pairs of work gloves before I learned. If you\u2019ve got a pile of fittings, you can get a cheap (like $15) grease fitting drain cup from your local auto parts store or even a supplier like me\u2014just push the fittings into the cup\u2019s slots, twist a little, and the grease runs straight into the cup below. No mess, no grease on your hands. For bulk amounts of used grease\u2014like if you emptied a whole grease gun or old reservoir\u2014don\u2019t pour that in the sink. I used to have a 5-gallon bucket marked \u201cused only\u201d in my shop, and when it got full, I\u2019d drop it off at the local automotive recycling center. Most of those centers will take used grease for free, as long as it\u2019s not mixed with other liquids (oil, coolant, water). If you\u2019re not sure where your nearest one is, just Google \u201cused automotive grease disposal near me\u201d or check your city\u2019s waste management website\u2014they almost always have a list of approved drop-off spots.<\/p>\n

Now, once the fittings are empty, what do you do with the metal? Most standard grease fittings are 100% recyclable steel. Here\u2019s the trick: don\u2019t toss \u2018em in your curbside single-stream recycling bin. Wait, I know\u2014single-stream is supposed to take all metal, but grease fittings are tiny, so they often get lost in the sorting machinery and jam up the works. I heard a story last year from a recycling plant operator who said tiny metal parts like zerks cause more jams than bottle caps and foil combined\u2014no joke. So skip that. Instead, if you\u2019ve got more than a handful, take \u2018em to a scrap metal yard. Most will pay you like 5 cents a pound for steel, which is basically pocket change, but it\u2019s better than sending \u2018em to a landfill. If you\u2019ve only got a few, toss \u2018em in your regular trash? Wait no\u2014wait, if you can\u2019t get to a scrap yard, check your local\u2019s hard-to-recycle drop-off. A lot of communities have a hazardous waste or special waste day twice a year, and metal parts with small amounts of grease are usually allowed there. Some auto parts stores will also take small metal automotive parts for recycling\u2014next time you\u2019re picking up new grease fittings, ask the counter guy if they have a bin for old parts. I run a side thing where my customers drop off old grease fittings at my warehouse, no questions asked, and I take \u2018em straight to the scrap yard. It\u2019s just part of doing business right.<\/p>\n

Wait, what about specialty grease fittings? Like the brass ones, or the plastic-lined ones for food-grade applications? Brass fittings are also recyclable, same deal\u2014scrap yard, don\u2019t put in curbside. Plastic-lined ones, though\u2014those are a little trickier. The plastic lining is usually a small amount of nylon or something, so if you can pop it out, recycle the plastic with other hard plastics (check the number on it\u2014most is #2 or #5, which is accepted at most grocery store plastic bins) and the metal part with steel. If you can\u2019t pop it out, just bring the whole thing to a scrap yard\u2014they have magnets that sort metal, and the tiny plastic part won\u2019t mess with their process. I had a customer last month who brought in a bunch of food-grade fittings he replaced for a restaurant, and the scrap yard guy was cool with it. No extra charge, no hassle.<\/p>\n

Now, what if you\u2019ve got bulk old grease fittings\u2014like a whole crate of \u2018em? Same rules apply, but a little easier. If you\u2019re a business (construction company, auto shop, fleet repair), I can\u2019t stress this enough: don\u2019t dump them. I know it\u2019s tempting to just dump a crate in the back of a work truck and toss it when you get to the job site, but that\u2019s illegal in most states, and you\u2019ll get fined. Last year, a construction crew in Ohio got a $2,500 fine for dumping 200 pounds of old grease fittings and used grease in a municipal landfill. No good. As a supplier, I\u2019ve helped a few fleet companies set up regular pickups for their old fittings and used grease\u2014we coordinate with local recycling services that specialize in automotive and industrial waste, and it\u2019s way cheaper than a fine. If you\u2019re a small business, even a mom-and-pop auto shop, most cities have industrial waste drop-offs for low fees, like $20 for a 5-gallon bucket of grease and a crate of fittings.<\/p>\n

Let\u2019s talk about mistakes I see people make all the time, because I\u2019ve made most of \u2018em. First, using a pressure washer to blast grease out of fittings. Sure, it gets the grease out, but now you\u2019ve got dirty water mixed with grease, and that\u2019s way harder to dispose of. You can\u2019t dump that water down the drain, and it\u2019s considered hazardous waste if it\u2019s mixed. Way better to use a drain cup or rag like I said earlier. Second, mixing old grease with other fluids. If you mix old grease with motor oil or coolant, you can\u2019t recycle it anymore, and it has to go to a hazardous waste facility, which is more expensive. Keep that used grease separate, labeled clearly so no one messes with it. Third, storing old grease fittings in a regular plastic bin. If you don\u2019t empty the grease first, it\u2019ll leak through the bin, get on your other tools, and create a mess. I use old metal coffee cans for loose fittings\u2014they\u2019re cheap, metal so they don\u2019t leak, and easy to dump when they\u2019re full. Pro tip: label the can \u201cold grease fittings\u201d so no one accidentally uses \u2018em for new jobs.<\/p>\n

Wait, what if you\u2019ve got unused old grease fittings? Like, if you ordered a bulk box of 100 and ended up with 20 that don\u2019t fit any of your equipment, they\u2019re still sealed, and you don\u2019t need \u2018em. Don\u2019t toss those! You can resell them, or donate \u2018em to a local trade school or volunteer fire department. A lot of small fire departments have old trucks and equipment that use grease fittings, and they can\u2019t afford to buy new ones. I\u2019ve donated old leftover fittings to a local trade program, and the kids loved it\u2014they used \u2018em in their shop projects. Or if you really don\u2019t want \u2018em, bring them to a hardware store that sells grease fittings\u2014most will take unused, sealed parts back for recycling or donation, instead of sending them to the landfill. I always accept unused old fittings from my own customers, no questions asked.<\/p>\n

Now, let\u2019s get into why this matters, beyond not getting fined. The old grease in those fittings isn\u2019t just yucky\u2014it\u2019s toxic. Most grease has heavy metals like lead or cadmium, and when it gets into soil or water, it kills plants, fish, and even small animals. One pound of used grease can contaminate 1 million gallons of water\u2014think about that. That\u2019s like filling 1,500 bathtubs with water, and it\u2019s all ruined because you dumped a little bit of old grease. And the metal fittings? Steel is a finite resource\u2014every ton of steel we recycle saves 2,500 pounds of iron ore, 1,000 pounds of coal, and 40 pounds of limestone. It\u2019s way better to reuse or recycle them than mine new metal, which is way worse for the planet.<\/p>\n

So let\u2019s recap, step by step, for anyone who\u2019s got old grease fittings they need to get rid of:<\/p>\n

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  1. First, empty all grease out of every fitting (use a drain cup, screwdriver, or rag\u2014avoid pressure washers, don\u2019t mix grease with other fluids).<\/li>\n
  2. Collect the used grease in a labeled, sealable container (5-gallon bucket, metal can\u2014no plastic bags that will leak).<\/li>\n
  3. For the metal fittings:\n